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Omron G3PE-515B Solid State Relay 15A Three-Phase — front view

Omron G3PE-515B Solid State Relay 15A Three-Phase

SKU: G3PE-515B

USD 45.00

Omron G3PE-515B is a 15A three-phase solid state relay for three-phase heater and motor control applications.

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Product Overview

The G3PE-515B offers contactless semiconductor switching for frequent on/off control, reducing contact wear and maintenance compared with electromechanical relays. It is widely applied in temperature and process control loops.

Zero-Cross Switching for Lower Electrical Noise

Zero-cross operation turns the load on near AC waveform crossing points, helping reduce inrush effects and EMI for resistive loads such as heaters and ovens.

Long-Life Contactless Operation

With no mechanical contacts, SSR switching supports high cycle counts and quiet operation, making it suitable for control panels requiring reliable repetitive actuation.

Industrial Mounting and Serviceability

The form factor supports panel installation with proper heat management, enabling stable operation in machine and process environments.

Key Features

  • Load Current: 15A per phase
  • Load Voltage: AC200-240V three-phase
  • Control Input: DC4-32V
  • Switching Method: Zero-cross
  • Mounting: Panel mount
  • Operating Temperature: -30 to +80°C
  • SKU: G3PE-515B
  • Series: G3PE
  • Voltage: 240V
  • I/O: 4 I/O

Best-Fit Applications

  • Switches resistive loads at high duty cycles
  • Improves reliability in temperature control loops
  • Reduces maintenance compared with mechanical relays

Buying Checklist

  • Zero-cross switching helps reduce EMI and inrush stress
  • Silent operation with no contact bounce
  • Long electrical life for repetitive control
  • Suitable for industrial panel standardization

Technical Specifications

Model G3PE-515B
Series G3PE
Type Three-Phase Solid State Relay
Load Current 15A per phase
Load Voltage AC200-240V three-phase
Control Input DC4-32V
Switching Method Zero-cross
Mounting Panel mount
Operating Temperature -30 to +80°C

FAQ for G3PE-515B

What's the advantage of three-phase SSR?
Single SSR controls all three phases. Simplifies wiring, ensures simultaneous switching. Ideal for three-phase heaters, motors.
What control voltage does this SSR require?
DC4-32V wide control input range. Compatible with PLC outputs, temperature controllers, process controllers.
Do I need heat sink?
Yes, three-phase SSR requires substantial heat sink. Calculate based on total load current (3 phases).
Can this SSR switch three-phase motors?
Yes, but for motor control, consider motor-rated contactor. SSR suitable for heater control, resistive loads.

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