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
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4.8
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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-D22R2
This relay supports two dual-channel universal safety inputs, ensuring comprehensive monitoring. The device has an enclosure rated at IP40 and offers terminal protection at IP20. With safety outputs c
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4.9
440R-S13R2
This monitoring safety relay belongs to the Guardmaster Safety Relays series. The 440R-S13R2 is DIN rail mountable and incorporates a dual-channel universal input. It supports legacy-compatible inputs
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4.5
440R-S12R2
This model includes two normally open safety outputs and one normally closed solid-state auxiliary output. It supports a single wire safety output or OSSD rated at 50 mA. The reset mechanism can be se
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5.0
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
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5.0
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
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4.8
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
440C-CR30-22BBB
This safety relay features a USB programming port and supports logic control for safety applications. It includes two plug-in slots for expansion modules, allowing for versatile configurations. The un
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5.0
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
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5.0
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