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New Items
New items
FS-1E-1605-01, Block

FS-1E-1605-01, Block

Block FS1-E Series Size 16/8/5 Ferrite Transformer Cores FS-1E series size 13/7/4 ferrite transformer cores made from N87. These standard 'E' type ferrite transformer cores are available with air gaps inserted: Stock number 840-7430 has a 0.1mm gap Stock number 840-7513 has a 0.2mm gap Stock number 840-7601 has a 0.5mm gap Stock number 840-7682 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbins see stock numbers 840-7232 , 840-7241 and 840-7244 For potting box see stock number 840-7389 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276
New items
BR 351, Block

BR 351, Block

Block BR351 Isolating Transformer Block BR351 Isolating transformer with controllable output voltage for use in the laboratory. Features include Rated input voltage 230 Vac. Output 0 Vac to 250 Vac, Insulation class E, Maximum ambient temperature 40°C,, Efficiency up to 93%, self-cooling. Features Limited short circuit protection Output circuit breakers may be operated from the front Analogue current and voltage indicator Carry handle, mains cable with safety plug, shockproof socket for portable application
New items
FS-1EFD-2509-00, Block

FS-1EFD-2509-00, Block

Block FS-1EFD Series Size 25/13/9 Ferrite Transformer Cores FS-1EFD series size 25/13/9 ferrite transformer cores made from N87. These EFD low profile type ferrite transformer cores are available with air gaps inserted: Stock number 840-7484 has a 0.1mm gap Stock number 840-7572 has a 0.2mm gap Stock number 840-7654 has a 0.5mm gap Stock number 840-7737 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbins see stock numbers 840-7320 and 840-7323 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276
New items
FS-1E-1304-02, Block

FS-1E-1304-02, Block

Block FS1-E Series Size 13/7/4 Ferrite Transformer Cores FS-1E series size 13/7/4 ferrite transformer cores made from N87. These standard 'E' type ferrite transformer cores are available with air gaps inserted: Stock number 840-7437 has a 0.1mm gap Stock number 840-7519 has a 0.2mm gap Stock number 840-7591 has a 0.5mm gap Stock number 840-7689 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbins see stock numbers 840-7235 and 840-7238 For potting box see stock number 840-7386 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276
New items
GLS230/24-1, Block

GLS230/24-1, Block

12 to 120W Linear, Stabilised Output GLS Series 230Vac input 24Vdc stabilised output Safety isolating transformer to VDE 0551, EN 60742 4kV input/output flash tested Finger safe easy accessible screw terminals Double screw terminals on the output Input and output fuse protection LED output voltage indicator Note De-rating above +40°C Standards IEC, EN, VDE, UL
New items
TTMS 6300/230, Block

TTMS 6300/230, Block

TTMS Series Medical Transformers The TTMS series of isolation transformers have a rated input of 230 V ac and a rated output voltage of 115 V ac and 230 V ac. These isolation transformers are protected from overload by a PTC resistor that is integrated in every coil to set up an external monitoring unit. Reduced starting currents enable excellent switch-on behaviour and these isolation transformers feature low short circuit voltage and very low idle current. BLOCKIMPEX vacuum impregnation allows for low noise and excellent corrosion protection. With a robust metal fixing rail featuring 8 oval slots, these isolation transformers are easy to mount. Features & Benefits Safe galvanic isolation IP00 protection 97% efficient Insulation class B UVV BGV A3 compliant contact protected screw terminals +40°C maximum ambient temperature Product Application Information These isolation transformers have been designed for supplying user group 2 medical rooms. Brand Information BLOCK is a global leader in power supply interface. Developing and producing switched mode power supplies through to coiled goods, BLOCK also offer cast resin optimisation and software development. Laminated
New items
PM-0824-240-0, Block

PM-0824-240-0, Block

BLOCK Electronic Circuit Breakers These new electronic circuit breakers from Block provide innovative advantages for optimised current. Power Compact range features a module with a width of just 42mm,which has eight electronically protected 24V output channels, each with a maximum rated current of 10A. Power Mini has 4 channels with identical functionality in a compact plastic housing. Benefits Each Channels can be individually adjusted Different current per channel Remote restart of tripped channels possible Reliable tripping for high cable impedances LED operational On/Off/Tripped warning lights Alarm signal for tripped channel Remote switch-on / off of any channel Inrush current of system is distributed through sequential power-up of the channels Reduced width of the units Saves Din Rail space Cage Clamp connections 2, 4 or 8 channel versions available Applications Panel and Machine Builders Electrical Installations HVAC Installations Ship Building Approvals GL (Lloyds Registered) cURus, cULus BLOCK Circuit Breakers
New items
VCM 50/1/6, Block

VCM 50/1/6, Block

PCB Mount 230Vac Primary VC/VCM Series Single and twin secondary windings for series or parallel connection Vacuum resin moulded to UL94-V0 rating Low inter-winding capacitance Low radiated noise 100% electrical and flash tested Extra fixing points for secure board mounting (25 VA and 36 VA) Selection Guide VA Rating Pin configuration (mm) P1 S1 S2 A 3.2VA 20 10 5 25 5VA 25 15 5 25 10VA 25 15 5 27.5 16VA 30 20 5 30 Selection Guide VA Rating Fixing centres (mm) Pin configuration (mm) C1 C2 P1 S1 S2 A 25VA 72.5 43.5 30 20 5 32.5 36VA 77.5 47.5 35 20 5 35 50VA 82 37.5 35 15 - 35 Isolation Primary to Secondary 5kVac Secondary to Secondary 250Vac Protection Class 2 Insulation Class B (130°C) Pin Length x Diameter 5mm x 0.8mm Max. Ambient Temperature 3.2VA +60°C,5VA +50°C, 10 to 36VA +40°C Note To conform to VDE 0550,UL506 all transformers with 2 x 24V outputs should not have their secondaries connected in series. Standards EN 61 558 IEC 61558 Approvals ENEC, UL recognised Approvals VDE; UL Standards EN 61 558; IEC 61558
New items
STS20/4/23, Block

STS20/4/23, Block

Control Transformers, 230 V AC, STS Series This series of control transformers stands out thanks to the following special features: The control transformers are designed for a low voltage drop between idling and load mode. This means they fulfil current and future national and international regulations regarding the supply of equipment, components and appliances. Manufactured in accordance with VDE 0550, IEC 989 with VDE, UL and SEV test marks. Low voltage drop High performance during short-term operation International standard voltage 230 V/400 V in accordance with DIN IEC 38 Primary-side ±5% taps to adjust the voltage Can be used worldwide as it fulfils national and international regulations High power output per volume thanks to compact design Standard humidity protection by means of waterproofing Contact-protected connector points for screw connectors or plug connectors Quick fastening, suitable for 35 mm rail terminal in accordance with DIN EN 50022 Input voltage 230 V Output voltage 24 V Type Unloaded secondary voltage approx. Efficiency (%) Weight kg 20 VA Load: V ´ 1.10 81 0.9 63 VA Load: V ´ 1.10 84 1.3 100 VA Load: V ´ 1.10 86 2.2 130 VA Load: V ´ 1.10 86 2.4 160 VA Load: V ´ 1.09 87 2.9 250 VA Load: V ´ 1.08 90 3.9 Dimensions (mm) Type A B C D 20 66 84 81 42 63 78 88 89 44 100 84 81 95 53 130 96 83 105 48 160 96 94 105 53 250 96 107 105 61 Input voltage 400 V Output voltage 230 V Type Unloaded secondary voltage approx. Efficiency (%) Weight kg 20 VA Load: V ´ 1.10 81 0.9 63 VA Load: V ´ 1.10 84 1.3 100 VA Load: V ´ 1.10 86 2.2 130 VA Load: V ´ 1.10 86 2.4 160 VA Load: V ´ 1.09 87 2.9 250 VA Load: V ´ 1.08 90 3.9 Ambient temperature: +40 °C Insulation system insulation category: E
New items
FS-1E-3209-01, Block

FS-1E-3209-01, Block

Block FS-1E Series Size 32/16/11 Ferrite Transformer Cores FS-1E series size 32/16/11 ferrite transformer cores made from N87. These standard 'E' type ferrite transformer cores are available with air gaps inserted: Stock number 840-7459 has a 0.1mm gap Stock number 840-7531 has a 0.2mm gap Stock number 840-7614 has a 0.5mm gap Stock number 840-7702 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbin see stock number 840-7279 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276
New items
ETTK 1000, Block

ETTK 1000, Block

Isolation Transformer, ETTK Series High protection class Encapsulated in resin Carry handle for easy handling With primary-side mains lead and secondary-side socket Short-circuit proof under certain conditions Technical specifications Frequency range 50 → 60 Hz Protection system IP67 Protection class II Insulation category A Approvals VDE 0570 part 2–4 Standards IEC 61558-2-4, DIN EN 61558-2-4 Approvals VDE 0570 part 2–4 Standards IEC 61558-2-4, DIN EN 61558-2-4
New items
VB 1.5/2/18, Block

VB 1.5/2/18, Block

Transformers PCB Mount, Short Circuit Proof, VB & PT Series 230Va.c. 50 to 60Hz primary Single or twin secondary windings for series or parallel connection (For conformance reasons,0.35 to 3.2VA transformers with 2 x 15 and 2 x 18V outputs and all transformers with 2x 24V outputs should not have their secondaries connected in series as this means they will not meet the VDE 0550 approval) VB series (0.35 - 3.2VA) are inherently short circuit proof PT series (4.5 - 22VA) are protected by internal PTC device Compact design Vacuum epoxy resin moulded to UL94-V0 rating Double section glass fibre reinforced polyamide bobbins 100% electrical and flash tested High efficiency and low temperature rise Low inter-winding capacitance Low radiated noise Extra fixing holes for secure boarding mounting on 4.5VA and above Selection Guide (Dual secondary) VA Rating Fixing centres (mm) Pin configuration (mm) C1 C2 P1 S1 S2 A Pin Size 0.35 - - 15 5 5 15 0.6 Ø 0.5 - - 15 5 5 15 0.6 Ø 1.0 - - 20 10 5 20 0.8 Ø 1.5 - - 20 10 5 20 0.8 Ø 2.3 - - 20 10 5 20 0.8 Ø 3.2 - - 20 10 5 25 0.8 Ø 4.5 35 28 25 15 5 25 0.8 Ø 7.5 40 32 25 15 5 27.5 0.8 Ø 13 47.5 37.5 30 20 5 30 0.8 Ø 22 52.5 40 30 10 10 32.5 0.8 Ø Isolation Primary to Secondary 5kV Secondary to Secondary 250V Protection Class 2 Insulation: VB Series PT Series Class B (130°C) Class A (105°C) Class E (120°C) Class A (105°C) Fixing: mechanical fixings can be supplemented on the 4.5 to 22VA transformers by 4 self tapping crews (No-4 x 9.5mm max) using holes mounted in the corners of the case. Max Ambient Temperature 0.35 to 2.3VA +70°C, 3.2VA +50°C, 4.5 to 22VA +40°C Selection Guide (Single secondary) VA Rating Pin configuration (mm) P1 S1 A Pin Size 0.35 15 5 15 0.6 Ø 0.5 15 5 15 0.6 Ø 1.0 20 10 20 0.6 Ø 1.2 20 10 20 0.8 Ø ...