Name: Omron G3PE-235B Solid State Relay - INOSAKI
SKU: Omron-G3PE-235B DC12-24V
Price: 65.92 USD
Availability: InStock

Technical Overview

The Omron G3PE-235B DC12-24 is a single-phase, industrial solid-state relay (SSR) with an integrated heat sink. It is designed for precise, high-frequency switching of resistive loads up to 35A, such as heaters. This compact relay supports both DIN rail and screw mounting, features a zero-cross function to minimize noise, and has an LED indicator for easy operational status monitoring. The phototriac coupler provides reliable isolation between the input and output circuits.

Key Features

Load current rating of 35 A at 100 to 240 VAC.
Accepts a 12 to 24 VDC input control voltage.
Zero-cross function minimizes electromagnetic interference.
Integrated heat sink for effective thermal management.
Flexible mounting options: DIN rail or direct screw mounting.
Equipped with an LED operation indicator for visual status checks.
Conforms to UL, CSA, and EN standards.
Improved surge dielectric strength for output circuits.

Technical Specification Matrix

Parameter	Value
Product Type	Single-phase Solid State Relay
Control Voltage	12 to 24 VDC
Operating Voltage Range	9.6 to 30 VDC
Input Current	7 mA max.
Rated Load Voltage	100 to 240 VAC
Load Voltage Range	75 to 264 VAC
Load Current	0.5 A to 35 A
Inrush Current Resistance	440 A (60 Hz, 1 cycle)
Isolation Method	Phototriac Coupler
Zero Cross Function	Yes
Leakage Current	10 mA max. (at 200 VAC)
Operate Time	1/2 cycle of load power source + 1 ms max.
Dielectric Strength	2,500 VAC, 50/60 Hz for 1 min
Mounting Type	DIN rail or screw mounting
Ambient Operating Temperature	-30 to 80 °C

Industrial Applications

1. Temperature Control for Commercial Thermoforming Machines

Used to precisely cycle banks of ceramic heaters in a thermoforming machine that shapes plastic sheets. The SSR is controlled by a PID temperature controller's DC output to maintain exact platen temperatures.

Problem Solved

Mechanical contactors wear out quickly under the high-frequency cycling required for tight temperature control, leading to costly downtime. The G3PE's solid-state design offers a vastly extended operational life and silent operation. The 35A rating is sufficient for medium-sized heating elements, and the zero-cross function reduces electrical noise that could interfere with other machine controls.

PID ControlThermoformingHeater BankZero-Cross Switching35A Load12-24VDC Input

2. High-Power Lighting Control for Automated Optical Inspection (AOI)

Switches high-intensity LED or halogen lighting arrays for a machine vision system that inspects printed circuit boards (PCBs). The SSR receives a signal from a PLC to turn the lights on and off rapidly as parts move into position.

Problem Solved

AOI systems require stable, flicker-free illumination. Mechanical relays are too slow and generate voltage spikes (EMI) that can corrupt camera images and affect sensitive electronics. The G3PE's fast, clean switching (thanks to the zero-cross function) provides consistent lighting without generating disruptive electrical noise, ensuring reliable inspection results.

Machine VisionAOILED LightingPLC ControlEMI ReductionFast Switching

3. Motor Control for Small AC Conveyor Systems

Controls the start/stop operation of a single-phase AC motor driving a conveyor belt in a packaging or sorting application. A proximity sensor signals a PLC, which in turn energizes the SSR to run the motor.

Problem Solved

Frequent start/stop cycles on a conveyor line cause arcing and eventual failure in standard electromechanical relays. The G3PE's solid-state construction handles a high number of actuations without wear. Its 35A rating and 440A inrush current capacity can manage the initial current spike of smaller AC motors, providing a more reliable and longer-lasting solution than a mechanical contactor.

AC Motor ControlConveyor SystemHigh-Cycle ActuationInrush CurrentSolid-State ContactorPLC Output