Custom Power Design Profile
Custom Power Design, SMET Ltd.’s division, is a UK-based corporation that provides customised manufacturing services for global users. The company is a small corporation yet has a remarkable reputation for manufacturing and designing converters, inverters, and car chargers. The company also provides custom manufacturing services and builds units (handy mains) from scratch. Custom Power Design’s DC/DC converters, AC/AC inverters, and automotive and PC chargers and adapters are extensively used in various automotive and industrial markets. The company’s convenient platform provides product selection and customisation based on users’ requirements.
Featured Products
Modified Sine Wave, 200W 'Handy Mains' 3-Pin IEC Output Socket Output connection via 3-pin IEC outlet socket Over-temperature and over-current p...
Portable 35W & 48W Switch Mode, Notebook Computer Converter/Charger Portable switch mode battery voltage DC...
Modified Sine Wave, 700 & 1500W 3-Pin UK & Schuko Output Sockets The Custom Power Design SM3508 Series is a family...
Portable 35W & 48W Switch Mode, Notebook Computer Converter/Charger Portable switch mode battery voltage DC to DC converters suitable for poweri...
Modified Sine Wave, 200W 'Handy Mains' 3 Pin UK Output Socket 11 to 15Vdc or 22 to 30Vdc input Input connec...
Modified Sine Wave, 700W 'Handy Mains' 3 Pin UK & Schuko Output Sockets The SM3185 and SM3215 are part of a...
Modified Sine Wave, 200W 'Handy Mains' 3 Pin UK Output Socket 11 to 15Vdc or 22 to 30Vdc input Input connection via...
Portable 35W & 48W Switch Mode, Notebook Computer Converter/Charger Portable switch mode battery voltage DC...
Modified Sine Wave, 200W 'Handy Mains' 3 Pin UK Output Socket 11 to 15Vdc or 22 to 30Vdc input Input connection via...
Battery to 300Vdc Converter 120W - 3 Pin IEC Output Socket The SM1760 provides a mains level DC output whic...
138W & 440W Switch Mode, DC to DC Battery Voltage Converters Robust switch mode battery voltage DC to DC co...
Modified Sine Wave, 200W 'Handy Mains' 3-Pin IEC Output Socket Output connection via 3-pin IEC outlet socke...
Popular Categories For Custom Power Design
Categories For Custom Power Design
Popular Items
Popular items
SM2802, Custom Power Design
Modified Sine Wave, 200W 'Handy Mains' 3-Pin IEC Output Socket
Output connection via 3-pin IEC outlet socket
Over-temperature and over-current protection
Neon power indicator
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Note
Suitable for
negative earth
battery systems
only
.
Fluorescent lights should have any power factor correction capacitor removed.
Maximum load capacitance: 0.5μF, 1.0μF for stock no
243-1737
.
When used with cigar lighter plugs, the vehicle socket must have a rating of 1A for every 10W of supplied power.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
Popular items
SM3754, Custom Power Design
Portable 35W & 48W Switch Mode, Notebook Computer Converter/Charger
Portable switch mode battery voltage DC to DC converters suitable for powering notebook computers (charge time controlled by computer) and a wide range of other low voltage, low power mobile electronic equipment.
Electrically isolated from the vehicle chassis
Constant current limited output rated for continuous battery charging
Input lead (0.7m approx.) fitted with cigar lighter plug
Output lead (0.6m approx.) fitted with 2.5mm DC power plug (centre positive)
Supplied with user guide and safety leaflet
Additional Information
O/P Voltage adjustment range
±5% (internal preset)
Input current
1A per 10W loading
Current limit (continuous)
125% ±17%
Input/Output isolation
500kΩ at ±63Vdc max.
Unit is designed to run warm at maximum power. Allow adequate ventilation.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For in vehicle use only. Protect from moisture.
Popular items
SM4273, Custom Power Design
Modified Sine Wave, 700 & 1500W 3-Pin UK & Schuko Output Sockets
The Custom Power Design SM3508 Series is a family of small floor mounting DC/AC converters which are able to power most small office or laboratory equipment from any 12 or 24 V battery system. This DC/AC converter allows up to 700W of continuous power, with short surges of up to 1200W. Ideal applications are with small refrigerators and microwave ovens.
Input connection via 2 x M5mm studs
Output connection via 3-pin UK and Schuko sockets
Output is 50Hz modified sine wave
Very high conversion efficiency
High surge handling capability accommodating disk drive run-up, motor start etc.
Over-temperature and overcurrent protection
Integral cooling fan
Neon power indicator
Remote on/off control facility
Mounting flanges
Designed for hard-wired fixed installations
Optional heavy duty wiring kit SM2793 (stock no.
322-1890
) recommended
Ideal for powering personal computers, fax machines, printers, light industrial power tools, domestic equipment (such as microwave ovens and small refrigerators) and low energy lighting
Note
Only use with heavy duty (high discharge rate) batteries.
Fluorescent lights should have any power factor correction capacitor removed.
Maximum load capacitance: 2μF, 3μF for stock nos.
431-5508
&
431-5514
.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
Popular items
SM4458, Custom Power Design
Portable 35W & 48W Switch Mode, Notebook Computer Converter/Charger
Portable switch mode battery voltage DC to DC converters suitable for powering notebook computers (charge time controlled by computer) and a wide range of other low voltage, low power mobile electronic equipment.
Electrically isolated from the vehicle chassis
Constant current limited output rated for continuous battery charging
Input lead (0.7m approx.) fitted with cigar lighter plug
Output lead (0.6m approx.) fitted with 2.5mm DC power plug (centre positive)
Supplied with user guide and safety leaflet
Additional Information
O/P Voltage adjustment range
±5% (internal preset)
Input current
1A per 10W loading
Current limit (continuous)
125% ±17%
Input/Output isolation
500kΩ at ±63Vdc max.
Unit is designed to run warm at maximum power. Allow adequate ventilation.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For in vehicle use only. Protect from moisture.
Popular items
SM3752, Custom Power Design
Portable 35W & 48W Switch Mode, Notebook Computer Converter/Charger
Portable switch mode battery voltage DC to DC converters suitable for powering notebook computers (charge time controlled by computer) and a wide range of other low voltage, low power mobile electronic equipment.
Electrically isolated from the vehicle chassis
Constant current limited output rated for continuous battery charging
Input lead (0.7m approx.) fitted with cigar lighter plug
Output lead (0.6m approx.) fitted with 2.5mm DC power plug (centre positive)
Supplied with user guide and safety leaflet
Additional Information
O/P Voltage adjustment range
±5% (internal preset)
Input current
1A per 10W loading
Current limit (continuous)
125% ±17%
Input/Output isolation
500kΩ at ±63Vdc max.
Unit is designed to run warm at maximum power. Allow adequate ventilation.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For in vehicle use only. Protect from moisture.
Popular items
SM3215, Custom Power Design
Modified Sine Wave, 700W 'Handy Mains' 3 Pin UK & Schuko Output Sockets
The SM3185 and SM3215 are part of a range of Handy Mains adaptors which convert battery power into a nominal 230 V ac rms 50 Hertz supply, suitable for operating small power tools, domestic appliances, etc.
Please note that only heavy duty batteries are suitable. These power inverters have a nominal continuous power rating into resistive load of 700 Watts. An audible warning indicates when the battery is becoming discharged. The SM3185 and SM3215 are packaged in a powder coated folded metal box. Input wires enter on one side face and the outlet socket is mounted on the top face.
11 to 15Vdc or 22 to 30Vdc input
Input connection via 2 x M5mm studs and 2.8mm push on crimp low current switch wire
Output voltage 230Vac ±15V 50Hz modified sine wave
Output connection via 3-pin UK and Schuko sockets
Low battery alarm and shutdown
Over temperature and overcurrent protection
Neon power indicator
Mounting flanges and integral fan
Designed for direct wired fixed installations (low current control wire for on/off switching)
Only use with heavy duty (high discharge rate) batteries
Fluorescent lights should have any power factor correction capacitor removed
Optional heavy duty wiring kit SM2793 (stock no.
322-1890
) recommended
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Load Capacitance
2.0μF max.
Load capacitance must not exceed value shown.
Note
These units are suitable for negative earth battery systems only, but they can be isolated for marine use by removing grounding screws.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
Popular items
SM2711, Custom Power Design
Modified Sine Wave, 200W 'Handy Mains' 3 Pin UK Output Socket
11 to 15Vdc or 22 to 30Vdc input
Input connection via cigar plug (except model SM2711 stock no.
597-481
which is 3 wire)
Output connection via 3-pin UK outlet socket
Audible battery discharge warning
Auto shutdown at low battery voltage
Model SM2711 (stock no.
597-481
) is designed for direct wired installations (low current control wire for on/off switching)
Model SM2730 (stock no.
597-497
) can also be direct wired by removing the plug
Fluorescent lights should have any power capacitor removed when used with these units
Some colour televisions and monitors designed for universal mains input (90 to 264Vac) may not operate with the 230Vac inverters. Use model SM2802 (stock no.
243-1737
) 115Vac output, to reduce the initial surge
These units only have their RMS output voltage closely regulated. For equipment sensitive to the crest of the mains voltage the SM1791 (stock no.
593-344
) is recommended
Optional mounting kit SM2791 (stock no.
597-510
) and direct wiring kit SM2797 (stock no.
512-8147
) available. The direct wiring kit is used with cigar plug models, it consists of a cigar socket on 2m of cable
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Load Capacitance
0.5μF max.
Load capacitance must not exceed value shown.
Dimensions
L. (mm)
W. (mm)
H. (mm)
Wt. (kg)
Fixing Centres
141
94
45
0.8
155 x 70mm M3.5 holes (SM2791 mounting kit)
Note
Suitable for negative earth battery systems only.
When used with cigar lighter plugs, the vehicle socket must have a rating of 1A (0.5A for 24V units) for every 10W of supplied power.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
Popular items
SM2710, Custom Power Design
Modified Sine Wave, 200W 'Handy Mains' 3 Pin UK Output Socket
11 to 15Vdc or 22 to 30Vdc input
Input connection via cigar plug (except model SM2711 stock no.
597-481
which is 3 wire)
Output connection via 3-pin UK outlet socket
Audible battery discharge warning
Auto shutdown at low battery voltage
Model SM2711 (stock no.
597-481
) is designed for direct wired installations (low current control wire for on/off switching)
Model SM2730 (stock no.
597-497
) can also be direct wired by removing the plug
Fluorescent lights should have any power capacitor removed when used with these units
Some colour televisions and monitors designed for universal mains input (90 to 264Vac) may not operate with the 230Vac inverters. Use model SM2802 (stock no.
243-1737
) 115Vac output, to reduce the initial surge
These units only have their RMS output voltage closely regulated. For equipment sensitive to the crest of the mains voltage the SM1791 (stock no.
593-344
) is recommended
Optional mounting kit SM2791 (stock no.
597-510
) and direct wiring kit SM2797 (stock no.
512-8147
) available. The direct wiring kit is used with cigar plug models, it consists of a cigar socket on 2m of cable
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Load Capacitance
0.5μF max.
Load capacitance must not exceed value shown.
Dimensions
L. (mm)
W. (mm)
H. (mm)
Wt. (kg)
Fixing Centres
141
94
45
0.8
155 x 70mm M3.5 holes (SM2791 mounting kit)
Note
Suitable for negative earth battery systems only.
When used with cigar lighter plugs, the vehicle socket must have a rating of 1A (0.5A for 24V units) for every 10W of supplied power.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
Popular items
SM2730, Custom Power Design
Modified Sine Wave, 200W 'Handy Mains' 3 Pin UK Output Socket
11 to 15Vdc or 22 to 30Vdc input
Input connection via cigar plug (except model SM2711 stock no.
597-481
which is 3 wire)
Output connection via 3-pin UK outlet socket
Audible battery discharge warning
Auto shutdown at low battery voltage
Model SM2711 (stock no.
597-481
) is designed for direct wired installations (low current control wire for on/off switching)
Model SM2730 (stock no.
597-497
) can also be direct wired by removing the plug
Fluorescent lights should have any power capacitor removed when used with these units
Some colour televisions and monitors designed for universal mains input (90 to 264Vac) may not operate with the 230Vac inverters. Use model SM2802 (stock no.
243-1737
) 115Vac output, to reduce the initial surge
These units only have their RMS output voltage closely regulated. For equipment sensitive to the crest of the mains voltage the SM1791 (stock no.
593-344
) is recommended
Optional mounting kit SM2791 (stock no.
597-510
) and direct wiring kit SM2797 (stock no.
512-8147
) available. The direct wiring kit is used with cigar plug models, it consists of a cigar socket on 2m of cable
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Load Capacitance
0.5μF max.
Load capacitance must not exceed value shown.
Dimensions
L. (mm)
W. (mm)
H. (mm)
Wt. (kg)
Fixing Centres
141
94
45
0.8
155 x 70mm M3.5 holes (SM2791 mounting kit)
Note
Suitable for negative earth battery systems only.
When used with cigar lighter plugs, the vehicle socket must have a rating of 1A (0.5A for 24V units) for every 10W of supplied power.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
Popular items
SM1760, Custom Power Design
Battery to 300Vdc Converter 120W - 3 Pin IEC Output Socket
The SM1760 provides a mains level DC output which is the most efficient means of supplying power to equipment employing switch mode type power conversion (most modern electric equipment).,To check compatibility: Measure the resistance between the live and the neutral pins of the equipments connector (with equipment mains switch in 'on' position). If the resistance is greater than 10KΩ (no mains transformer evident) the equipment should be compatible.
Wide input voltage range (11-32Vdc)
In line input connectors (supplied)
Shuttered IEC output socket
Ignition or remote on/off control by logic compatible input
Inbuilt RFI filter for low noise
High efficiency (84% typical)
High output surge rating
Output short circuit protection
Rugged metal case construction
Input Voltage
11-32Vdc continuous 25A peak (10-38Vdc for 10 secs.)
Output Voltage
300Vdc ±5%
Power Rating
120W continuous, 200W peak @ 12V input, 30 sec. max for any one surge
Note
Suitable for negative earth battery systems only.,Not suitable for use with equipment employing a 50Hz mains transformer or AC motors.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For inside use only. Protect from moisture.
Battery to Mains Level DC Output
Popular items
SM3703, Custom Power Design
138W & 440W Switch Mode, DC to DC Battery Voltage Converters
Robust switch mode battery voltage DC to DC converters for use when operating 12Vdc or 24Vdc equipment (communications, alarms, lighting, etc.) from either a 12V or 24V battery system (coaches, HGV and agricultural vehicles utilise 24Vdc).
Wide input voltage range
Ignition or remote on/off control
Inbuilt RFI filter for low noise
High efficiency (86% typical)
High output surge rating
Overvoltage/Overcurrent protection
12V or 24V lead acid battery charging
Rugged metal case construction
Supplied with user guide and safety leaflet
Technical Specification
Stock no.
Vin range (Vdc)
Vout nom. (Vdc)
Vout max. (Vdc)
Pout Cont. (W)
Iout Cont. (A)
593-726
19-32
12
13.8 ±0.1
138
10
431-5479
11-16
24
27.7 ±0.3
440
17
431-5485
21.6-32
12
13.8 ±0.2
440
33
Technical Specification
Stock no.
Line Reg %
Load Reg %
Ripple (mV)
Op. Temperature (°C)
L. (mm)
W. (mm)
H. (mm)
Wt. (Kg)
593-726
5
5
50
-20 to +50
142
94
39
0.6
431-5479
7
7
200
-20 to +50
247
103
63
1.2
431-5485
7
7
200
-20 to +50
247
103
63
1.2
Note
The SM2430 is suitable for negative earth systems only but the SM3702 and SM3703 may be isolated for marine use.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For in vehicle use only. Protect from moisture.
Popular items
SM2911, Custom Power Design
Portable 100W Battery to 330Vdc Converters IEC Output Socket
Suitable for powering notebook computers and cam-corders (via their chargers), and other equipment employing switch mode power conversion (most modern electronic equipment).,To check compatibility: Measure the resistance between live and neutral pins of the chargers mains connector (with no mains connected). If the resistance is greater than 10KΩ (no mains transformer primary) the equipment should be compatible.
Audible battery discharge warning
Auto shutdown at low battery voltage
Input lead (0.7m approx.) fitted with cigar lighter plug
Output lead (1.4m approx.) fitted with 2 pin (cassette) or 3 pin IEC connector
Supplied with user guide and safety leaflet
Optional direct wiring kit SM2797, stock no.
512-8147
(consisting of cigar lighter socket and 2m of cable)
Technical Specification
Stock No
Input Vdc
Input Connection
Mains Output
Output Connection
243-1686
11-15
Cigar plug
330Vdc
3-pin IEC lead (C13)
243-1692
11-15
Cigar plug
330Vdc
2-pin IEC lead (C7)
243-1709
22-30
Cigar plug
330Vdc
3-pin IEC lead (C13)
243-1715
22-30
Cigar plug
330Vdc
2-pin IEC lead (C7)
Power Rating
100W continuous max. 120W for 1 minute from cold
Operating Temp. Range
-20 to +40°C
Dimensions
L. 111, W.60, H. 30mm, Wt. 400g
Note
Suitable for negative earth battery systems only.,Not suitable for use with equipment employing a 50Hz mains transformer.,When using 12V models with cigar lighter plugs, the vehicle socket must have a rating of 1A (0.5A for 24V units) for every 10W of supplied power.,Unit is designed to run warm at maximum power, allow adequate ventilation.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For inside use only. Protect from moisture.
Batter...
New Items
New items
SM2802, Custom Power Design
Modified Sine Wave, 200W 'Handy Mains' 3-Pin IEC Output Socket
Output connection via 3-pin IEC outlet socket
Over-temperature and over-current protection
Neon power indicator
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Note
Suitable for
negative earth
battery systems
only
.
Fluorescent lights should have any power factor correction capacitor removed.
Maximum load capacitance: 0.5μF, 1.0μF for stock no
243-1737
.
When used with cigar lighter plugs, the vehicle socket must have a rating of 1A for every 10W of supplied power.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
New items
SM3754, Custom Power Design
Portable 35W & 48W Switch Mode, Notebook Computer Converter/Charger
Portable switch mode battery voltage DC to DC converters suitable for powering notebook computers (charge time controlled by computer) and a wide range of other low voltage, low power mobile electronic equipment.
Electrically isolated from the vehicle chassis
Constant current limited output rated for continuous battery charging
Input lead (0.7m approx.) fitted with cigar lighter plug
Output lead (0.6m approx.) fitted with 2.5mm DC power plug (centre positive)
Supplied with user guide and safety leaflet
Additional Information
O/P Voltage adjustment range
±5% (internal preset)
Input current
1A per 10W loading
Current limit (continuous)
125% ±17%
Input/Output isolation
500kΩ at ±63Vdc max.
Unit is designed to run warm at maximum power. Allow adequate ventilation.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For in vehicle use only. Protect from moisture.
New items
SM4273, Custom Power Design
Modified Sine Wave, 700 & 1500W 3-Pin UK & Schuko Output Sockets
The Custom Power Design SM3508 Series is a family of small floor mounting DC/AC converters which are able to power most small office or laboratory equipment from any 12 or 24 V battery system. This DC/AC converter allows up to 700W of continuous power, with short surges of up to 1200W. Ideal applications are with small refrigerators and microwave ovens.
Input connection via 2 x M5mm studs
Output connection via 3-pin UK and Schuko sockets
Output is 50Hz modified sine wave
Very high conversion efficiency
High surge handling capability accommodating disk drive run-up, motor start etc.
Over-temperature and overcurrent protection
Integral cooling fan
Neon power indicator
Remote on/off control facility
Mounting flanges
Designed for hard-wired fixed installations
Optional heavy duty wiring kit SM2793 (stock no.
322-1890
) recommended
Ideal for powering personal computers, fax machines, printers, light industrial power tools, domestic equipment (such as microwave ovens and small refrigerators) and low energy lighting
Note
Only use with heavy duty (high discharge rate) batteries.
Fluorescent lights should have any power factor correction capacitor removed.
Maximum load capacitance: 2μF, 3μF for stock nos.
431-5508
&
431-5514
.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
New items
SM4458, Custom Power Design
Portable 35W & 48W Switch Mode, Notebook Computer Converter/Charger
Portable switch mode battery voltage DC to DC converters suitable for powering notebook computers (charge time controlled by computer) and a wide range of other low voltage, low power mobile electronic equipment.
Electrically isolated from the vehicle chassis
Constant current limited output rated for continuous battery charging
Input lead (0.7m approx.) fitted with cigar lighter plug
Output lead (0.6m approx.) fitted with 2.5mm DC power plug (centre positive)
Supplied with user guide and safety leaflet
Additional Information
O/P Voltage adjustment range
±5% (internal preset)
Input current
1A per 10W loading
Current limit (continuous)
125% ±17%
Input/Output isolation
500kΩ at ±63Vdc max.
Unit is designed to run warm at maximum power. Allow adequate ventilation.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For in vehicle use only. Protect from moisture.
New items
SM3752, Custom Power Design
Portable 35W & 48W Switch Mode, Notebook Computer Converter/Charger
Portable switch mode battery voltage DC to DC converters suitable for powering notebook computers (charge time controlled by computer) and a wide range of other low voltage, low power mobile electronic equipment.
Electrically isolated from the vehicle chassis
Constant current limited output rated for continuous battery charging
Input lead (0.7m approx.) fitted with cigar lighter plug
Output lead (0.6m approx.) fitted with 2.5mm DC power plug (centre positive)
Supplied with user guide and safety leaflet
Additional Information
O/P Voltage adjustment range
±5% (internal preset)
Input current
1A per 10W loading
Current limit (continuous)
125% ±17%
Input/Output isolation
500kΩ at ±63Vdc max.
Unit is designed to run warm at maximum power. Allow adequate ventilation.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For in vehicle use only. Protect from moisture.
New items
SM3215, Custom Power Design
Modified Sine Wave, 700W 'Handy Mains' 3 Pin UK & Schuko Output Sockets
The SM3185 and SM3215 are part of a range of Handy Mains adaptors which convert battery power into a nominal 230 V ac rms 50 Hertz supply, suitable for operating small power tools, domestic appliances, etc.
Please note that only heavy duty batteries are suitable. These power inverters have a nominal continuous power rating into resistive load of 700 Watts. An audible warning indicates when the battery is becoming discharged. The SM3185 and SM3215 are packaged in a powder coated folded metal box. Input wires enter on one side face and the outlet socket is mounted on the top face.
11 to 15Vdc or 22 to 30Vdc input
Input connection via 2 x M5mm studs and 2.8mm push on crimp low current switch wire
Output voltage 230Vac ±15V 50Hz modified sine wave
Output connection via 3-pin UK and Schuko sockets
Low battery alarm and shutdown
Over temperature and overcurrent protection
Neon power indicator
Mounting flanges and integral fan
Designed for direct wired fixed installations (low current control wire for on/off switching)
Only use with heavy duty (high discharge rate) batteries
Fluorescent lights should have any power factor correction capacitor removed
Optional heavy duty wiring kit SM2793 (stock no.
322-1890
) recommended
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Load Capacitance
2.0μF max.
Load capacitance must not exceed value shown.
Note
These units are suitable for negative earth battery systems only, but they can be isolated for marine use by removing grounding screws.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
New items
SM2711, Custom Power Design
Modified Sine Wave, 200W 'Handy Mains' 3 Pin UK Output Socket
11 to 15Vdc or 22 to 30Vdc input
Input connection via cigar plug (except model SM2711 stock no.
597-481
which is 3 wire)
Output connection via 3-pin UK outlet socket
Audible battery discharge warning
Auto shutdown at low battery voltage
Model SM2711 (stock no.
597-481
) is designed for direct wired installations (low current control wire for on/off switching)
Model SM2730 (stock no.
597-497
) can also be direct wired by removing the plug
Fluorescent lights should have any power capacitor removed when used with these units
Some colour televisions and monitors designed for universal mains input (90 to 264Vac) may not operate with the 230Vac inverters. Use model SM2802 (stock no.
243-1737
) 115Vac output, to reduce the initial surge
These units only have their RMS output voltage closely regulated. For equipment sensitive to the crest of the mains voltage the SM1791 (stock no.
593-344
) is recommended
Optional mounting kit SM2791 (stock no.
597-510
) and direct wiring kit SM2797 (stock no.
512-8147
) available. The direct wiring kit is used with cigar plug models, it consists of a cigar socket on 2m of cable
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Load Capacitance
0.5μF max.
Load capacitance must not exceed value shown.
Dimensions
L. (mm)
W. (mm)
H. (mm)
Wt. (kg)
Fixing Centres
141
94
45
0.8
155 x 70mm M3.5 holes (SM2791 mounting kit)
Note
Suitable for negative earth battery systems only.
When used with cigar lighter plugs, the vehicle socket must have a rating of 1A (0.5A for 24V units) for every 10W of supplied power.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
New items
SM2710, Custom Power Design
Modified Sine Wave, 200W 'Handy Mains' 3 Pin UK Output Socket
11 to 15Vdc or 22 to 30Vdc input
Input connection via cigar plug (except model SM2711 stock no.
597-481
which is 3 wire)
Output connection via 3-pin UK outlet socket
Audible battery discharge warning
Auto shutdown at low battery voltage
Model SM2711 (stock no.
597-481
) is designed for direct wired installations (low current control wire for on/off switching)
Model SM2730 (stock no.
597-497
) can also be direct wired by removing the plug
Fluorescent lights should have any power capacitor removed when used with these units
Some colour televisions and monitors designed for universal mains input (90 to 264Vac) may not operate with the 230Vac inverters. Use model SM2802 (stock no.
243-1737
) 115Vac output, to reduce the initial surge
These units only have their RMS output voltage closely regulated. For equipment sensitive to the crest of the mains voltage the SM1791 (stock no.
593-344
) is recommended
Optional mounting kit SM2791 (stock no.
597-510
) and direct wiring kit SM2797 (stock no.
512-8147
) available. The direct wiring kit is used with cigar plug models, it consists of a cigar socket on 2m of cable
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Load Capacitance
0.5μF max.
Load capacitance must not exceed value shown.
Dimensions
L. (mm)
W. (mm)
H. (mm)
Wt. (kg)
Fixing Centres
141
94
45
0.8
155 x 70mm M3.5 holes (SM2791 mounting kit)
Note
Suitable for negative earth battery systems only.
When used with cigar lighter plugs, the vehicle socket must have a rating of 1A (0.5A for 24V units) for every 10W of supplied power.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
New items
SM2730, Custom Power Design
Modified Sine Wave, 200W 'Handy Mains' 3 Pin UK Output Socket
11 to 15Vdc or 22 to 30Vdc input
Input connection via cigar plug (except model SM2711 stock no.
597-481
which is 3 wire)
Output connection via 3-pin UK outlet socket
Audible battery discharge warning
Auto shutdown at low battery voltage
Model SM2711 (stock no.
597-481
) is designed for direct wired installations (low current control wire for on/off switching)
Model SM2730 (stock no.
597-497
) can also be direct wired by removing the plug
Fluorescent lights should have any power capacitor removed when used with these units
Some colour televisions and monitors designed for universal mains input (90 to 264Vac) may not operate with the 230Vac inverters. Use model SM2802 (stock no.
243-1737
) 115Vac output, to reduce the initial surge
These units only have their RMS output voltage closely regulated. For equipment sensitive to the crest of the mains voltage the SM1791 (stock no.
593-344
) is recommended
Optional mounting kit SM2791 (stock no.
597-510
) and direct wiring kit SM2797 (stock no.
512-8147
) available. The direct wiring kit is used with cigar plug models, it consists of a cigar socket on 2m of cable
Ideal for powering personal computers, fax machines, printers, small power tools, domestic equipment and low energy lighting
Load Capacitance
0.5μF max.
Load capacitance must not exceed value shown.
Dimensions
L. (mm)
W. (mm)
H. (mm)
Wt. (kg)
Fixing Centres
141
94
45
0.8
155 x 70mm M3.5 holes (SM2791 mounting kit)
Note
Suitable for negative earth battery systems only.
When used with cigar lighter plugs, the vehicle socket must have a rating of 1A (0.5A for 24V units) for every 10W of supplied power.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these power adaptors - protect from moisture.
For inside use only.
New items
SM1760, Custom Power Design
Battery to 300Vdc Converter 120W - 3 Pin IEC Output Socket
The SM1760 provides a mains level DC output which is the most efficient means of supplying power to equipment employing switch mode type power conversion (most modern electric equipment).,To check compatibility: Measure the resistance between the live and the neutral pins of the equipments connector (with equipment mains switch in 'on' position). If the resistance is greater than 10KΩ (no mains transformer evident) the equipment should be compatible.
Wide input voltage range (11-32Vdc)
In line input connectors (supplied)
Shuttered IEC output socket
Ignition or remote on/off control by logic compatible input
Inbuilt RFI filter for low noise
High efficiency (84% typical)
High output surge rating
Output short circuit protection
Rugged metal case construction
Input Voltage
11-32Vdc continuous 25A peak (10-38Vdc for 10 secs.)
Output Voltage
300Vdc ±5%
Power Rating
120W continuous, 200W peak @ 12V input, 30 sec. max for any one surge
Note
Suitable for negative earth battery systems only.,Not suitable for use with equipment employing a 50Hz mains transformer or AC motors.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For inside use only. Protect from moisture.
Battery to Mains Level DC Output
New items
SM3703, Custom Power Design
138W & 440W Switch Mode, DC to DC Battery Voltage Converters
Robust switch mode battery voltage DC to DC converters for use when operating 12Vdc or 24Vdc equipment (communications, alarms, lighting, etc.) from either a 12V or 24V battery system (coaches, HGV and agricultural vehicles utilise 24Vdc).
Wide input voltage range
Ignition or remote on/off control
Inbuilt RFI filter for low noise
High efficiency (86% typical)
High output surge rating
Overvoltage/Overcurrent protection
12V or 24V lead acid battery charging
Rugged metal case construction
Supplied with user guide and safety leaflet
Technical Specification
Stock no.
Vin range (Vdc)
Vout nom. (Vdc)
Vout max. (Vdc)
Pout Cont. (W)
Iout Cont. (A)
593-726
19-32
12
13.8 ±0.1
138
10
431-5479
11-16
24
27.7 ±0.3
440
17
431-5485
21.6-32
12
13.8 ±0.2
440
33
Technical Specification
Stock no.
Line Reg %
Load Reg %
Ripple (mV)
Op. Temperature (°C)
L. (mm)
W. (mm)
H. (mm)
Wt. (Kg)
593-726
5
5
50
-20 to +50
142
94
39
0.6
431-5479
7
7
200
-20 to +50
247
103
63
1.2
431-5485
7
7
200
-20 to +50
247
103
63
1.2
Note
The SM2430 is suitable for negative earth systems only but the SM3702 and SM3703 may be isolated for marine use.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For in vehicle use only. Protect from moisture.
New items
SM2911, Custom Power Design
Portable 100W Battery to 330Vdc Converters IEC Output Socket
Suitable for powering notebook computers and cam-corders (via their chargers), and other equipment employing switch mode power conversion (most modern electronic equipment).,To check compatibility: Measure the resistance between live and neutral pins of the chargers mains connector (with no mains connected). If the resistance is greater than 10KΩ (no mains transformer primary) the equipment should be compatible.
Audible battery discharge warning
Auto shutdown at low battery voltage
Input lead (0.7m approx.) fitted with cigar lighter plug
Output lead (1.4m approx.) fitted with 2 pin (cassette) or 3 pin IEC connector
Supplied with user guide and safety leaflet
Optional direct wiring kit SM2797, stock no.
512-8147
(consisting of cigar lighter socket and 2m of cable)
Technical Specification
Stock No
Input Vdc
Input Connection
Mains Output
Output Connection
243-1686
11-15
Cigar plug
330Vdc
3-pin IEC lead (C13)
243-1692
11-15
Cigar plug
330Vdc
2-pin IEC lead (C7)
243-1709
22-30
Cigar plug
330Vdc
3-pin IEC lead (C13)
243-1715
22-30
Cigar plug
330Vdc
2-pin IEC lead (C7)
Power Rating
100W continuous max. 120W for 1 minute from cold
Operating Temp. Range
-20 to +40°C
Dimensions
L. 111, W.60, H. 30mm, Wt. 400g
Note
Suitable for negative earth battery systems only.,Not suitable for use with equipment employing a 50Hz mains transformer.,When using 12V models with cigar lighter plugs, the vehicle socket must have a rating of 1A (0.5A for 24V units) for every 10W of supplied power.,Unit is designed to run warm at maximum power, allow adequate ventilation.
Caution
The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For inside use only. Protect from moisture.
Batter...
Don’t hesitate to ask questions for better clarification.