A22E-M-01B

Overview of Omron G3PJ-225B-PU

The Omron G3PJ-225B-PU is a high-capacity solid-state relay designed for controlling heaters and other AC loads in industrial automation systems. It operates with a 12 to 24 V DC input voltage and can switch AC loads ranging from 24 to 240 VAC. The relay features slim and compact design with a body width of 22.5 mm and push-in plus terminal blocks for easy and secure wiring. It supports a load current of up to 27 A at 40°C ambient temperature and includes zero-cross switching to minimize electrical noise and extend relay life.

Key Features of Omron G3PJ-225B-PU

• Input Voltage: 12 to 24 V DC.
• Load Voltage Range: 24 to 240 VAC.
• Max Load Current: 27 A at 40 °C ambient.
• Zero-cross Switching: Included for smooth switching without inrush current.
• Terminal Type: Push-In Plus terminal blocks.
• Dielectric Strength: 4000 VAC for 1 minute between coil and contacts.
• Insulation Resistance: Minimum 100 MΩ at 500 V DC.
• Operating Temperature Range: -30 to 80 °C (no condensation).
• Mounting: DIN rail or panel mountable.
• Weight: Approximately 240 g.

Technical Specifications of Omron G3PJ-225B-PU

Model	G3PJ-225B-PU
Input Voltage	12 to 24 V DC
Load Voltage Range	24 to 240 VAC
Load Current	27 A (at 40 °C ambient temperature)
Input Current	7 mA max.
Operate Time	1/2 power supply cycle + 1 ms max.
Release Time	1/2 power supply cycle + 1 ms max.
Dielectric Strength	4000 VAC 1 min (coil to contacts)
Insulation Resistance	100 MΩ min (at 500 V DC)
Operating Temperature	-30 to 80 °C
Mounting Type	DIN rail or panel mounting
Weight	Approx. 240 g

Applications / Use Cases

The G3PJ-225B-PU solid-state relay is widely used in industrial heating control, automation systems, and equipment that require silent switching, long operational life, and efficient handling of high AC loads.

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Verification Links:
https://www.ia.omron.com/products/family/3510/specification.html
https://edata.omron.com.au/eData/Relays/J211-E1-01.pdf
https://www.mouser.com/ProductDetail/Omron-Automation-and-Safety/G3PJ-225B-PU-DC12-24