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Guardmaster Safety Relays

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.

Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Browse Guardmaster Safety Relays

Browse available units in our catalog of Guardmaster Safety Relays.

440R-N23132

Designed for critical safety applications, this safety relay features three normally open contacts and one normally closed contact, delivering reliable switching capabilities. It operates effectively

Available
4.8

440R-M23084

The Allen-Bradley/Rockwell Automation 440R-M23084 Guardmaster Single-Function Safety Relay comes with 2 different input options that have 1 N.C. contact, 2 N.C. contacts, or a light curtain. It operat

In Stock Ships Today
5.0

440N-Z2NRS1B

The Allen-Bradley/Rockwell Automation 440N-Z2NRS1B non-contact safety switch comes with 2 normally closed contacts that are reed-type contacts. This Guardmaster series safety switch comes in an IP 67

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4.6

440R-EM4R2

This expansion module serves as an EM safety relay with a maximum working temperature range of -5 to +55°C. With a power consumption of 3.5 watts, it maintains functionality in humid environments, sup

In Stock Ships Today
4.8

440G-TZS21UPLH

Allen-Bradley manufactures the 440G-TZS21UPLH Guard Locking Switch and it belongs to the Guardmaster Safety Relays series. It operates on a solenoid voltage of 24 Volts AC/DC. This switch's actuator i

Available
4.9

440N-Z21S17H

This safety switch offers a current rating of 200 milliamperes across all its outputs, ensuring reliable operation during use. It is capable of sensing with a repeatable accuracy of 10% over its sensi

In Stock Ships Today
5.0

440G-S36002

This model operates at a rated current of 5A and utilizes a 24 V DC coil voltage. Featuring a mechanical contact type, the switch is compliant with standards such as ISO 14119, UL, and CE. It comes in

Available
5.0

440R-DG2R2T

Designed for versatility, the 440R-DG2R2T accommodates two GuardLink safety inputs, OSSD, and normally closed inputs. It provides two normally open safety outputs and requires a power consumption of 3

Available
5.0

440N-Z21W1PB

This device includes a standard actuator and is available with cable lengths of 2, 5, or 10 meters. The switch is encased in durable molded ABS material, which is also used for the actuator. With a re

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4.8

TLSZR-GD2

This safety interlock switch features a single pole setup and operates on a normally closed (NC) contact type. It maintains compliance with ISO/IEC safety standards and offers a mechanical life rated

Available
5.0
Showing 1-10 of 138 results