Omron G3PE Solid-State Relay G3PE-525B DC12-24V

USD 80.60

Single-phase SSR with integrated heat sink for 200-480VAC, 25A resistive loads. Features 12-24VDC input, zero-cross function, and DIN rail mounting.

SKU Omron-G3PE-525B DC12-24V Category
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Omron G3PE Solid-State Relay G3PE-525B DC12-24V

Model Identifier G3PE-525B DC12-24V
Official Part Number G3PE-525B DC12-24V
GTIN Standard NA

Technical Overview

The Omron G3PE-525B DC12-24V is a high-performance, single-phase solid-state relay designed for precise ON/OFF control of heater elements and other resistive loads. It features an integrated heat sink within a compact, slim-profile body, suitable for both DIN rail and screw mounting. This model operates with a DC input voltage of 12-24V and can switch AC loads from 200V to 480V at up to 25 amps. The inclusion of a zero-cross function enables smooth switching with minimal noise, while a phototriac provides reliable isolation between the control and load circuits. An operation indicator LED allows for easy visual status checks.

Key Features

  • Integrated heat sink in a compact, slim-profile design
  • Switches single-phase loads up to 25 A at 480 VAC
  • Zero-cross function for reduced noise and smooth switching
  • Compatible with both DIN rail and screw mounting methods
  • Equipped with a bright LED operation indicator
  • Phototriac coupler insulation
  • Approved by UL, CSA, and EN standards

High Capacity Heater Control

Technical Specification Matrix

ParameterValue
Product TypeSolid State Relay with Integrated Heat Sink
Number of Phases1
Rated Load Voltage200 to 480 VAC (50/60 Hz)
Load Voltage Range180 to 528 VAC (50/60 Hz)
Rated Load Current25 A (at 40°C)
Control Input Voltage12 to 24 VDC
Operating Voltage Range (Input)9.6 to 30 VDC
Switching FunctionZero Cross
Insulation MethodPhototriac Coupler
MountingDIN Rail / Screw Mount
TerminalsScrew Terminal
Operating Temperature Range-30°C to 80°C
Storage Temperature Range-30°C to 100°C
Dielectric Strength2,500 VAC, 50/60 Hz for 1 min
WeightApprox. 240 g
IP RatingIP20

Industrial Applications

1. Industrial Electric Furnace Temperature Regulation

Utilized to control the high-power heating elements of an industrial furnace. The SSR is driven by a PID temperature controller's DC output, precisely switching the 480VAC heater load to maintain a stable process temperature.

Problem Solved

Provides reliable, arc-free switching of high-current resistive loads, which would quickly wear out a mechanical relay. The zero-cross function minimizes electrical noise and extends heater life by reducing thermal shock.

PID ControlResistive Load25A Current Switching480VACZero-CrossHeater Element

2. Plastic Injection Molding Barrel Heating Control

Integrated into a control panel for a plastic injection molding machine to manage multiple heating zones along the barrel. Its slim 22.5mm width and DIN rail mounting are ideal for high-density panel layouts.

Problem Solved

The compact design saves valuable control panel space. The high current rating (25A) is sufficient for typical barrel heating bands, and the solid-state design ensures the long operational life required for continuous manufacturing.

Injection MoldingBarrel HeatersDIN Rail MountSolid-State RelayMulti-Zone Heating25A

3. Large-Scale Commercial Oven Power Cycling

Used in the main power circuit of a commercial convection oven for baking or food processing. The SSR's 12-24VDC input is compatible with standard PLC outputs, allowing the oven's heating cycles to be automated and precisely timed.

Problem Solved

Offers a durable and silent switching solution compared to noisy mechanical contactors. The ability to handle up to 10kW of power at 400V makes it suitable for significant heating loads, while its solid-state nature provides the reliability needed in a commercial kitchen environment.

Commercial OvenPLC Control10kW Load24VDC InputPower CyclingSolid-State Contactor
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