G3PJ-225B-PU is a high-performance single-phase solid-state relay from OMRON’s G3PJ series, designed for heater and resistive load control. It operates on 12–24VDC input control and switches 24–240VAC output loads up to 27A at 40°C. With zero-cross switching, 220A inrush current resistance, and a 22.5mm-wide housing, it offers long life and reliable operation in compact control panels.
Key Features
- Rated load current 27A at 24–240VAC with 12–24VDC control input
- Zero-cross switching and inrush current resistance up to 220A (60Hz, 1 cycle)
- ON-state voltage drop ≤1.6V, OFF-state leakage ≤10mA at 240VAC
- High dielectric strength 2,500VAC (input–output) and insulation ≥100MΩ at 500VDC
- Operating temperature range −30 to 80°C (no condensation or icing)
- Compact 22.5mm housing with Push-In Plus input and screw output terminals
Technical Specifications
| Model | G3PJ-225B-PU |
| Series | G3PJ Solid-State Relay Series |
| Control voltage range | 12–24VDC (operating 9.6–30VDC) |
| Load voltage range | 24–240VAC (50/60Hz) |
| Rated load current | 27A (at 40°C, separate mount) / 25A (close mount) |
| Inrush current resistance | 220A (60Hz, 1 cycle) |
| Voltage drop (ON state) | ≤1.6V RMS |
| Leakage current (OFF state) | ≤10mA (240VAC) |
| Dielectric strength | 2,500VAC (input–output, 1 min) |
| Insulation resistance | ≥100MΩ (at 500VDC) |
| Operating temperature | −30 to 80°C |
| Mounting method | DIN-rail / panel mount |
| Terminal structure | Push-In Plus input / screw output |
| Width | 22.5mm |
| Certifications | UL, CSA, EN, CCC, TÜV |
For more information, visit the OEM page for G3PJ-225B-PU.


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