Example 1: A heater with a rated current of 15A, and the heater is a resistive load, then the formula: 15A×2=30A, you must choose to buy a 40A solid state relay. Example 2: A motor with a rated current of 15A, and the motor is an inductive load, then the formula: 15A×6=90A, you must choose to buy a 100A solid state relay.
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DC-DC Buck Step Down Module LM2596 DC/DC 4.0~40V to 1.25-37V Adjustable Voltage Regulator With LED Voltmeter
Aliexpress UK
Load Current: 10A. The relay has pure aluminum heat sink base plate for fast heat dissipation. Item Type: Solid State Relay. 1 x Solid State Relay. Insulation Resistance: 500MΩ / 500VDC. Ambient Temperature: -30 ℃-+ 75 ℃.
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10Pcs MT3608 DC-DC TYPE-C Micro Adjustable Boost Module 2A DC DC Power Step Up Converter Module 2V-24V To 5V 9V 12V 28V
Aliexpress UK
Model:SSR DA 10A-100A. Solid State Relay Module DC to DC SSR-10DD to SSR-100DD 3-32V DC 5-200V DC New. Resistive load: electric heating, incandescent lamp, resistance, etc. Example 1: A rated current is 15A heater, heater is resistive load, then the formula: 15A × 2 = 30A, you should choose to buy 40A solid state relays.
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1-10pcs MP1584EN Adjustable 3A DC-DC Converter Step Down Voltage Regulator Module Replace LM2596s MP1584 DC DC Buck Board XCW
Aliexpress UK
Load Current: 10A -100A. Solid State Relays are high quality relays and are available in a variety of models. We will try our best to deal with the problem to make you satisfied.
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AC-DC DC-DC Power Supply Module 4.8W AC 110V 220V 230V To DC 3.3V 5V 12V Mini Buck Converter Led Isolated Voltage Stabilized
Aliexpress UK
Output current: 25A. Output current: 40A. Output current: 40A. Rated Load Current: 60A. Suitable for single phase solid state relay(SSR). SSR Safety Cover Case. Compatible with:Designed specially for single phase solid state relay.
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24V to 12V Converter Step Down 24V 12V Waterproof Module DC DC 1A-5A Buck Model Converter DC 24V to DC 12V Voltage Regulator
Aliexpress UK
Relay Type: Solid-State Relay (SSR). solid state relay (SSR) PM5A2032. PCB mounting. SSR is suitable for Heat Dissipation: SSRs generate heat during operation; ensure proper PCB layout and ventilation.
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DC-DC Step-Down Module 1500W DC 15-90V to DC 2.5-72V 1.5-50A Adjustable Constant Voltage/Constant Current Module
Aliexpress UK
Solid State Relay Module SSR 10-100 amp Single Phase DC-DC 3-32V DC to 5-220V DC. - Heat Sink Type A: Suitable for a single solid state relays with load current of 10-25 amp. - Heat Sink Type A（Black）: Suitable for a single solid state relays with load current of 10-25 amp.
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DC-DC Boost Power Module 5V/12V High-Power Lithium Battery Boost DC-DC Step up Conversion Module
Aliexpress UK
For Resistive load: Current of SSR =2 x working current of load. For Inductive load: Current of SSR =6 x working current of load. For Capacitive load: Current of SSR =10 x working current of load. Apply heat-radiation silicon grease of a heat conductive sheet between the SSR and heat sink.
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300W DC-DC Adjustable Step-Down Converter Module DC 6-40V to DC 1.2-35V 20A Constant Current Adjustable Step-Down Module
Aliexpress UK