Allen-Bradley 440R-EM4R2 | Guardmaster Safety Relay Expansion Module

Product Overview

The Allen-Bradley 440R-EM4R2 is a Guardmaster expansion module designed to enhance EM safety relay systems. It operates on a 24V DC PELV/SELV power supply, ensuring safe and reliable performance in industrial applications. With a power-on delay of 5.5 seconds, the module provides controlled startup and protection for connected devices.

Its compact dimensions and IP20 terminal protection make installation straightforward and secure. Supporting wire sizes from 24 to 14 AWG, the 440R-EM4R2 easily integrates into existing safety circuits. The module is optimized for energy efficiency, consuming only 3.5 W while maintaining responsive safety functions.

Engineered for industrial environments, the 440R-EM4R2 operates within a temperature range of -5°C to +55°C and up to 90% relative humidity. Its enclosure offers IP40 protection, and it complies with Pollution Level 2 standards, making it suitable for a variety of factory and machinery settings.

Technical Specifications

Key Features

• Robust Safety Expansion: Enhances EM safety relay systems for industrial applications.

• Controlled Startup: Features a 5.5-second power-on delay for safe operation.

• Energy Efficient: Consumes only 3.5 W, minimizing operational costs.

• Flexible Installation: Supports wire sizes from 24 to 14 AWG for easy integration.

• Industrial Reliability: Operates in high humidity and temperature ranges, with IP40 enclosure protection.

Applications

• Industrial Machinery: Integrates into safety circuits to protect equipment and personnel.

• Factory Automation: Ensures safe operation in automated production lines.

• Energy Systems: Provides controlled expansion of EM safety relay functions.

• Process Safety: Suitable for harsh industrial environments requiring reliable safety modules.

FAQ

Q1: Is the 440R-EM4R2 original and new?
Yes, the 440R-EM4R2 is fully factory original and brand-new.

Q2: What power supply does this module use?
It operates on 24V DC under PELV/SELV standards.

Q3: What is the power-on delay of the module?
The 440R-EM4R2 has a 5.5-second power-on delay for controlled startup.

Q4: What terminal protection rating does it have?
It features IP20 terminal protection and an IP40 enclosure.

Q5: Which environments can it operate in?
It supports -5°C to +55°C temperature and up to 90% relative humidity.