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Allen Bradley

Allen Bradley 440R-S13R2 Guardmaster Single Input Safety Relay

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ManufacturerAllen Bradley

Part number440R-S13R2

Power Supply 24V DC

Input 1 Dual Channel Universal Input

Safety Outputs 3 NO

Auxiliary Outputs 1 NC

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Veteran-owned

CAGE: 9NK75

3 NO Safety Outputs 1 NC Auxiliary Output 24V DC Operation Single Input Monitoring of Safety Circuits Basic Safety Functions

Product description

The Allen-Bradley 440R-S13R2 is a Guardmaster single-input safety relay designed for monitoring safety circuits. It operates on 24V DC and features one dual-channel universal input. This relay offers three normally open (NO) safety outputs and one normally closed (NC) auxiliary output, providing robust safety monitoring capabilities.

It is ideal for applications such as monitoring emergency-stop circuits, proximity switches, and other safety interlocks in industrial automation. The single input simplifies setup for machines requiring basic safety control.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, carries the Allen Bradley 440R-S13R2. Rely on us for quality, surplus automation components.

Technical specifications

Power Supply	24V DC
Input	1 Dual Channel Universal Input
Safety Outputs	3 NO
Auxiliary Outputs	1 NC
Series	Guardmaster

Common applications

Emergency Stop Monitoring

Proximity Switch Monitoring

Safety Interlocks

Machine Safety

Industrial Control

Compatible systems

Designed for use with 24V DC power systems and compatible safety input devices.

Also known as

Allen-Bradley Guardmaster CI 440R-S13R2 Relay

Replaces / compatible with

Compatible with basic safety monitoring circuits.

Technical note

Expert tip

This relay is suitable for monitoring tactile sensors, magnetic switches, and proximity switches in safety-critical applications.

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Frequently asked questions

What are the output specifications for the Allen Bradley 440R-S13R2 safety relay?

The Allen Bradley 440R-S13R2 safety relay is equipped with three normally open (NO) safety outputs and one normally closed (NC) auxiliary output. These outputs are designed to reliably signal safety conditions to the machine control system.