Song Chuan USA

Industry Leader for Electromechanical Relays, Electronic Relays, Relay Sockets and Custom R&D

737 30A General Purpose Power Relay

Song Chuan Part Series: 737| Competitor Series: HP32 HP33 | KHU/KUP

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737 30A General Purpose Power Relay HP32 HP33 KHU KUP
737 30A General Purpose Power Relay HP32 HP33 KHU KUP

Part Series: 737

  • Contact Configuration DM-DB
  • Contact Rating(Resistive Load) NO: 30A 300VAC, 15A 600VAC, 30A 28VDC,
    1.5HP 200-600VAC
  • Coil Voltage DC: 6 – 125V AC: 6 – 240V
  • Power Consumption DC: 1.2W – 1.5W AC: 3.0VA


  • 30A general purpose power relay.
  • SPDT, SPDB, SPDM+DB contact configurations.
  • AC and DC coils are both available.
  • Optional for anti-rotation tab, tapped core indicator lamp and push-to-test button, flanged covers. (side flange and top flange).
  • Complies with RoHS-Directive 2011/65/EU.

Data Sheets & Resources


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Relays By Application


Industrial Solutions

Welding, Automatic Door, Industrial Timer, PLC, Motor Control, Elevator, Irrigation, Pump, GFCI Protection & more.


Small Appliances

Iron, coffee maker, blenders, food processor, toasters, hot plates, microwave oven, smart socket, electric tools.

Solar Power

Renewable Power Green Energy Solutions: Inverter, Combiner, Rapid Shutdown, DC Quick Disconnect Switch.


Power Supply Solutions

Energy Storage Power Supply: Uninterruptible Power Supply (UPS), Load Management, Utility Meter, Converter.

Major Appliances

Refrigerator, Oven, Clothes Washer and Dryer, Dish Washer, Ice maker, Freezer, Vending Machines and Beverage Maker

Lighting Solutions

Street Lighting, Commercial lighting, Smart Home, Home lighting, Sensing, Energy Management, Photoelectric Switch Sensor Relay.

Automotive Solutions

Truck, Bus & Off Road: Windshield Wiper, VAC pump, AC compressor, sunroof, window lift, lift gate, door lock, RAP, IGN87, fuel pump.

Electric Vehicles

Battery Disconnect Unit (BDU), Pre-charge Relay, Main Relay, On Board Charger (OBC), Off Board Charger, Converter, Inverter.