Allen-Bradley 440R-W23218 | MSR320P Safety Control Module

Overview

The Allen-Bradley 440R-W23218 MSR320P is a compact safety relay designed for industrial applications. It is part of the Guardmaster LTD series and ensures reliable machine safety functions. This module supports multiple input types, allowing flexible integration into safety control circuits.

Inputs and Logic

The 440R-W23218 provides 2 NC inputs, 2 N.O. & 1 NC inputs, 2 safety mat inputs, and 2 LC inputs, offering versatile configuration for industrial safety circuits. It communicates with connected devices to enforce emergency stops and safety logic without delay. The module has a response time adjustable from 0.5s to 3s, ensuring proper reaction for various safety applications.

Mechanical Design

This safety relay features a 17.5 mm housing width, allowing compact installation on a DIN rail inside control panels. The module is engineered for robust industrial operation, providing secure terminal connections and minimizing installation space.

Certification and Compliance

The Allen-Bradley 440R-W23218 MSR320P complies with relevant industrial safety standards and is part of Rockwell Automation’s Guardmaster safety line, ensuring reliable and certified protection in hazardous environments.

Installation and Support

Install the 440R-W23218 securely on a DIN rail, following proper grounding practices. For programming, troubleshooting, or detailed installation instructions, refer to the Rockwell Automation user manual 440R-IN088 or contact technical support.

Technical Specifications

Key Features

• Multiple configurable NC/N.O. and safety mat inputs for flexible safety circuits.

• Compact 17.5 mm housing fits easily on standard DIN rails.

• Adjustable response time between 0.5s and 3s for varied industrial applications.

• Compliant with ISO 13849-1 PLe and IEC 61508 SIL CL 3 safety standards.

• Designed for Guardmaster MSR320P series, ensuring certified reliability.