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Showing Results For: Solid State Relays

Solid State Relays

Solid State Relays (SSRs) are electronic switching devices that can efficiently control high-power electrical loads using semiconductor switching elements in various applications. They comprise a control circuit, an optocoupler (or optoisolators) for electrical isolation, and a power switching element. Unlike standard electromechanical relays, SSRs do not have any moving parts and offer extended service life. The integrated optocoupler isolates the control circuit from the high-voltage load, providing safety and protection against electrical noise and voltage spikes. A solid-state relay is a professional choice due to its special features and benefits compared to its counterparts. Depending on the applications, SSRs can switch ON or OFF either AC or DC voltages across their control terminals using semiconductor devices like thyristors or transistors.

Potential Advantages of Solid State Relays:

Using SSRs can provide a multitude of benefits to users, such as:

  • Noise-Free and Bounce-less Operation – SSRs operate silently–without the clicking sound associated with mechanical relays. They also offer Clean, bounce-less functions.
  • Fast Switching – SSRs offer speedy switching times, making them suitable candidates for applications requiring rapid response times.
  • Long Life and Reliability – Since SSRs have no moving parts, they offer a longer lifespan, resist wear and tear, and provide more robust reliability than mechanical relays.
  • Minimal Power Consumption – SSRs are energy-efficient and consume less power, maintaining the control circuit active.
  • Electrical Isolation – Using optocouplers in SSRs provides electrical isolation between the load and a control circuit, safeguarding and protecting equipment against high-voltage spikes.

Sub-Groups of Solid State Relays:

The two main sub-groups of solid-state relays include:

  • AC Solid State Relays – These relays are designed to control AC loads and are suitable for applications where the load is supplied with an alternating current. They use semiconductor devices handling alternating currents, such as thyristors or triac. 
  • DC Solid State Relays – These relays are intended for controlling DC loads and are commonly employed in applications requiring a direct current supply. They utilise semiconductor devices like power transistors to handle the direct currents. 

Typical Applications of Solid-State Relays:

SSRs find applications in various industries, equipment, and systems, including:

  • Industrial Automation: Control of motors, heaters, solenoids, and other high-power loads in manufacturing processes.
  • Building Automation: Lighting control, HVAC systems, and energy management.
  • Medical Equipment: Used in medical devices where silent operation and high reliability are crucial.
  • Food Industry: Control of ovens, fryers, and other equipment used in food processing.
  • Audio Systems: Audio amplifiers and other audio equipment.
  • Power Distribution: Load shedding and remote power control.
  • Process Control: Controlling various processes in chemical plants and refineries.

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Enrgtech #
Manufacturer Part No
Name
Availability
Price
Rating
Altran Magnetics, LLC
ASR-SN480D125ZW-L, Altran Magnetics, LLC
61 In Stock
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16 +
£ 48.59
Panasonic Electric Works
AQY221N3V1Y, Panasonic Electric Works
2040 In Stock
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1000 +
£ 3.84
Omron Electronics Inc-EMC Div
G3VM-63BR, Omron Electronics Inc-EMC Div
398 In Stock
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1 +
£ 4.92
10 +
£ 4.61
25 +
£ 4.09
Omron Electronics Inc-EMC Div
G3VM-63ER(TR05), Omron Electronics Inc-EMC Div
18 In Stock
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1 +
£ 4.96
10 +
£ 4.65
25 +
£ 4.14
Omron Electronics Inc-EMC Div
G3VM-63ER, Omron Electronics Inc-EMC Div
419 In Stock
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200 +
£ 3.73
RSSAN-50A, IDEC
82 In Stock
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1 +
£ 38.50
RSSDN-25A, IDEC
85 In Stock
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1 +
£ 24.28
RSSAN-75A, IDEC
83 In Stock
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1 +
£ 55.68
RSSAN-25A, IDEC
81 In Stock
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1 +
£ 29.85
RSSAN-90A, IDEC
84 In Stock
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1 +
£ 63.89
RSSAN-10A, IDEC
80 In Stock
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1 +
£ 28.96
Carlo Gavazzi
Rohs Verified
RP1A40D6, Carlo Gavazzi
8 In Stock
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1 +
£ 16.61
Carlo Gavazzi
Rohs Verified
RP1A48D6, Carlo Gavazzi
4 In Stock
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1 +
£ 20.33
Carlo Gavazzi
Rohs Verified
RP1B40D6, Carlo Gavazzi
8 In Stock
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1 +
£ 16.61
Rohs Verified
3RF2230-2AC45, Siemens
49 In Stock
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1 +
£ 130.89
Carlo Gavazzi
Rohs Verified
RGC1A23D25KKEX20, Carlo Gavazzi
15 In Stock
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1 +
£ 42.22
Carlo Gavazzi
Rohs Verified
RP1A23D6, Carlo Gavazzi
19 In Stock
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1 +
£ 15.82
Carlo Gavazzi
Rohs Verified
RP1B40D3, Carlo Gavazzi
4 In Stock
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1 +
£ 11.85
Carlo Gavazzi
Rohs Verified
RP1B48D5, Carlo Gavazzi
3 In Stock
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1 +
£ 16.20
Rohs Verified
3RF2150-2AA04, Siemens
47 In Stock
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1 +
£ 45.78
Carlo Gavazzi
Rohs Verified
RP1A23D3, Carlo Gavazzi
7 In Stock
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1 +
£ 10.68
Carlo Gavazzi
Rohs Verified
RP1A40D3, Carlo Gavazzi
7 In Stock
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1 +
£ 11.85
Carlo Gavazzi
Rohs Verified
RP1B23D6, Carlo Gavazzi
8 In Stock
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1 +
£ 15.82
Rohs Verified
G3RV-SR500-D DC12, Omron
32 In Stock
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1 +
£ 35.15
345170244310, Finder
53 In Stock
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1 +
£ 8.66
1 +
£ 8.66
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New Items
New items
SOL965460, Altech Corporation

SOL965460, Altech Corporation

SINGLEPHASE SOLID STATE RELAY 50
New items
G3DZ2R6PLDC12, Omron

G3DZ2R6PLDC12, Omron

G3DZ SSR These PCB mount MOSFET power relays have a maximum switching current of 0.6A and are suitable for switching full and half wave alternating currents. SSR identical in size to the G6D series (stk no 512-9320 etc) with a max. ac/dc switching current of 0.6A Suitable for switching full and half-wave alternating current 10μA maximum output leakage current Output ON resistance: 2.4Ω 2500Vac dielectric strength between input and output Input resistor and varistor incorporated Single Phase connection line to neutral See stk no 376-717 for a suitable PCB socket Operating temperature range -30 to +85°C
New items
G3VM1269H, Omron Electronics Inc-EMC Div
New items
OR-0223S-TA1, Shenzhen Orient Components Co., Ltd
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Solid State Relays and all others.
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Yes, we offer special discounts on orders above £200 for Solid State Relays and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Solid State Relays.
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