Allen Bradley Guardmaster Safety Relays

Guardmaster Safety Relays from Allen Bradley are industrial safety system components. They monitor safety devices like emergency stop buttons and light curtains to detect potential hazards. When a safety device activates, the connected relays swiftly initiate a safety response, such as stopping machinery or activating alarms, to prevent accidents and protect users and equipment. The Guardmaster Safety Relays series includes general-purpose relays and special-purpose relays. Each Guardmaster Safety Relay comes with 4 removable terminal blocks.

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Browse Guardmaster Safety Relays

Browse available units in our catalog of Guardmaster Safety Relays.

440R-N23135

This relay operates with a rated voltage of 24 V for both AC and DC applications. The device includes three immediate safety outputs (normally open) and one auxiliary output (normally closed). It feat

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5.0

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440R-M23147

This safety relay provides two immediate normally open (NO) outputs and three delayed normally open outputs. It supports a configurable reset option, allowing either automatic or manual monitored rese

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4.9

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440R-N23114

This safety relay is designed with an input wiring capability for 1 or 2 channels. It has fixed screw terminals that accommodate wire sizes from 0.2 to 2.5 mm². The relay consumes 4 watts of power and

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4.8

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440N-Z21S16A

This non-contact switch has a sensing distance of 15 mm and operates at 24 VDC. Designed from polycarbonate material, it offers protection against short circuits, overloads, reverse polarity, and over

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5.0

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440R-C23018

This relay operates on a supply voltage of 110 V AC and can manage frequencies ranging from 50 Hz to 60 Hz. It features three normally open safety outputs and one normally closed auxiliary output. Rat

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5.0

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440R-C23017

This safety relay is configured with either 1 normally closed (N.C.) input channel or 2 N.C. channels, providing flexibility in setup. It features three normally open (N.O.) safety outputs and support

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4.9

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440G-T27171

This guard locking switch operates with a holding force of 2000 N and accommodates a range of environmental conditions. It utilizes a fully-flex actuator type and includes solenoid contacts of one NC

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4.9

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440G-T27169

This guard locking switch includes two normally closed auxiliary contacts and one normally open auxiliary contact, alongside one normally closed and one normally open solenoid contact. It operates eff

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5.0

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440R-W23218

This input module is equipped with two PNP solid-state auxiliary outputs for effective interfacing. It supports removable terminal blocks and is designed for DIN-rail mounting. The device has a minima

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4.5

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440G-T27256

This guard locking switch employs power to lock functionality, ensuring secure operation. The switch supports a holding force of 2000 N and includes a fully flexible actuator type for versatile applic

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4.7

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