Solid State Relays with Failure Detection Function G3PC

Detects failures in SSR used for heater temperature control and simultaneously outputs alarm signal. This SSR supports the safe design of heater control systems, and contributes to maintenance improvements by the user.

  • Main detection items:
    SSR short-circuits and SSR open-circuits
  • Alarm output possible to NPN/PNP-input devices.
  • The failure-detection function is built-in and power is supplied from the main circuit power supply making wiring simple.
  • Slim design (width: 22.5 mm) incorporating a heat sink.
  • In addition to screw mounting, DIN track mounting is also possible.

Detection Power Supply

Rated power supply voltage100 to 240 VAC (50/60 Hz)
Operating voltage range75 to 264 VAC (50/60 Hz)
Current consumption15 mA AC max. (at 200 VAC)

Operating Circuit

Input methodVoltage input
Rated input voltage12 to 24 VDC
Operating input voltage range9.6 to 30 VDC
Must operate voltage9.6 VDC max.
Must release voltage1 VDC min.
Input current7 mA DC max. (at rated input voltage)

Main Circuit

Rated load voltage100 to 240 VAC (50/60 Hz)
Operating voltage range75 to 264 VDC (50/60 Hz)
Applicable load current20 A (Ta = 40)
Minimum load current0.1 A
Inrush current resistance (peak value)220 A (60 Hz, 1 cycle)
Permissible (I2t)260 A2s
Applicable load
(with Class-1 AC resistive load)
4 kW (at 200 VAC)

Alarm Output

Output OFF collector voltage30 VDC max.
Maximum carry current0.1 A
Output formIndependent NPN open collector


Operate time1/2 of load power source cycle + 1 ms max.
Release time1/2 of load power source cycle + 1 ms max.
Main circuitOutput ON voltage drop1.6 V rms max.
OFF leakage current10 mA max. (at 200 VAC)
Alarm outputOutput ON voltage drop1.5 V max.
OFF leakage current0.1 mA max.
Insulation resistance100 MΩ min. (at 500 VDC)
Dielectric strength2,500 VAC, 50/60 Hz for 1 min
Vibration resistanceDestruction: 10 to 55 to10 Hz, 0.35-mm single amplitude
Shock resistanceDestruction: 294 m/s 2
Ambient temperatureOperating: -20 to 60°C (with no icing or condensation)
Storage: -30 to 70°C (with no icing or condensation)
Ambient humidity45% to 85%
WeightApprox. 300 g
Certified standardsUL (File No.E64562), CSA (File No.LR35535), VDE (Certificate No.133114,
EMCEmission: EN55011 Group 1 Class B
Immunity: EN61000-6-2
Additional information

Local Pickup

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