1 of 1

Omron G3PE-545B-2N G3PE 3-Phase Heater Control

Omron G3PE-545B-2N G3PE 3-Phase Heater Control

Only 2 item(s) left in stock
  • Manufacturer: Omron

  • Product No.: G3PE-545B-2N

  • Country of origin:Japan

  • Product Type: Solid State Relays

  • Payment: T/T, Western Union

  • Weight: 3000g

  • Shipping port: Xiamen

  • Warranty: 12 months

Quantity
View full details

Description

Designed for precise closed-loop temperature regulation, the Omron G3PE-545B-2N is a heavy-duty three-phase solid-state contactor engineered specifically for industrial heating systems. This zero-cross-equipped controller manages electrical noise and transient surges efficiently, extending the service life of connected heating elements. Utilizing a phototriac isolation method, it isolates control circuitry from high-power load currents to ensure safe, stable operation. Built with rugged screw terminals, this solid-state relay manages high-capacity resistive loads up to 45 A in challenging thermal environments.

Features

  • Zero Cross Functionality: Minimizes high-frequency electromagnetic interference (EMI) by initiating switching exactly at the zero-voltage point of the AC cycle.
  • Phototriac Isolation: Provides high electrical isolation between input control signals and the high-voltage load circuits.
  • High-Current Capacity: Supports continuous load currents up to 45 A at ambient temperatures up to 40 degC.
  • Secure Interfacing: Built with robust screw terminals for reliable wiring under high vibrational stresses.
  • Built-In Heat Sink Compatibility: Engineered for optimized heat dissipation during demanding heavy-duty thermal cycles.

Applications

  • Plastic extrusion and injection molding temperature control
  • Industrial heat treatment furnaces and ovens
  • Packaging machinery shrink tunnels
  • Semiconductor manufacturing process heaters
  • Food processing and baking equipment heating elements

Technical Specifications

Parameter Value
Manufacturer Omron
Model/Part Number G3PE-545B-2N
Device Type 3-Phase Heater Control / Solid State Relay
Rated Input Voltage 12 to 24 VDC
Operating Input Voltage Range 9.6 to 30 VDC
Input Current 10 mA max. (at 24 VDC)
Must-Operate Voltage 9.6 VDC max.
Must-Release Voltage 1 VDC min.
Rated Load Voltage 200 to 480 VAC
Load Voltage Range 180 to 528 VAC
Load Current 45 A (at 40 degC)
Minimum Load Current 0.5 A
Inrush Current Resistivity 440 A (60 Hz, 1 cycle)
Permissible I2t Value 1260 A2s
Applicable Load Capacity 37.4 kW (at 480 VAC)
Isolation Method Phototriac
Zero Cross Function Equipped
Terminal Structure Screw Terminal
Weight 3 kg

Installation Guidelines

To ensure optimal performance and prevent thermal runaway, observe the following engineering instructions during installation:

  • Mounting Orientation: Mount the unit vertically to facilitate natural convective airflow across the integrated heatsink fins.
  • Ventilation and Spacing: Maintain specified clearance distances from adjacent components on the DIN rail or backplane panel to prevent thermal bottlenecking.
  • Terminal Torque: Secure all power and control screw terminals to the OEM-specified torque limit to prevent localized overheating and contact degradation.
  • Surge Protection: Implement appropriate semiconductor fuses to protect the output phototriac circuit against short-circuit faults.
Loading product navigation…

What is the primary function of the Omron G3PE-545B-2N?

The Omron G3PE-545B-2N is a three-phase solid-state relay designed specifically for precise, noise-free heater control and temperature regulation in industrial applications.

What are the load current and voltage ratings for this SSR?

The G3PE-545B-2N is rated for a load current of 45 A at an ambient temperature of 40 degC and operates over a load voltage range of 180 to 528 VAC.

Does this model feature a zero cross switching function?

Yes, this unit is equipped with a zero cross function that turns on the relay close to the zero point of the AC voltage cycle, minimizing electromagnetic interference and transient voltage spikes.

What is the control input voltage required for the G3PE-545B-2N?

The rated input control voltage is 12 to 24 VDC, with a safe operating input range of 9.6 to 30 VDC.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Japan

Recently Viewed Products

Technical knowledge

Math Operations Using OpenPLC for Industrial Automation Applications

This article explains how PLC systems perform core mathematical operations such as addition, subtraction, multiplication, division, modulo, and exponentiation within industrial automation. It shows...

Advanced Boolean Logic with FBD PLC Programming: Practical Industrial Applications Beyond Basic Logic

The article explains several advanced Boolean logic functions used in PLC programming beyond basic AND, OR, and NOT operations. It covers how tools like truth tables, multiplexers, pulse generators,...

Boolean Logic in PLC Programming: Understanding FBD Logic Gates

Boolean logic is the foundation of every PLC program. From simple machine controls to complex industrial automation systems, logic gates determine how controllers respond to changing inputs and...

Deep-Dive Guide to Industrial Firewalls and OT Network Segmentation

Industrial firewalls play a critical role in OT cybersecurity, protecting PLC, DCS, and SCADA networks through segmentation, ingress/egress control, and IDS/IPS integration aligned with IEC 62443...

Guide to Robotic Grippers: From Delicate Handling to Heavy-Duty Automation

Modern robotic grippers are evolving beyond traditional mechanical jaws. From gecko-inspired adhesive systems and soft food-grade grippers to AI-powered warehouse tools, advanced gripping...

Throwback: How Early Electric Motors Changed Underground Mining

From rope-driven DC compressors to battery-powered mine carts, early mining operations marked a turning point in industrial electrification. This article explores how electric motors transformed...