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440R-N23134 Ser: B

440R-N23134 Ser: B

Manufacturer: ALLEN BRADLEY

Condition: New and Unused, Surplus.

Price: Available on Request

Overview of Allen Bradley 440R-N23134 Safety Relay

The Allen Bradley 440R-N23134 is a safety relay from Rockwell Automation’s Guardmaster MSR series, specifically model MSR127RP. Designed for safety-critical applications, it features a 115VAC power supply and is built to meet stringent industry safety standards. This single-function safety relay incorporates monitored manual reset capability and removable terminals for flexible installation and maintenance. With three normally open immediate safety outputs and one normally closed immediate auxiliary output, it supports reliable safety stop functions. The device’s compact 22.5mm housing width fits a wide range of control panels, making it ideal for integration into diverse industrial automation systems.

Key Features of Allen Bradley 440R-N23134 Safety Relay

  • 115VAC power supply for standard industrial environments
  • Monitored manual reset for enhanced operational safety
  • Three immediate safety outputs (normally open)
  • One immediate auxiliary output (normally closed)
  • Removable terminal blocks for easy wiring and maintenance
  • Compact 22.5 mm housing width saves panel space
  • CAT 4 safety rating compliant with stringent safety standards
  • Single-wire safe output not applicable, focusing on reliable multi-wire connection
  • Designed for seamless integration with Guardmaster safety systems

Technical Specs of 440R-N23134

Specification Details
Model Number 440R-N23134 (MSR127RP)
Power Supply 115VAC
Safety Outputs 3 Immediate Normally Open
Auxiliary Output 1 Immediate Normally Closed
Reset Type Monitored Manual Reset
Terminal Type Removable
Housing Width 22.5 mm
Safety Category CAT 4

Applications / Use Case

The Allen Bradley 440R-N23134 safety relay is suited for industrial automation environments where emergency stop and safety monitoring are critical. Typical applications include machine safeguarding, conveyor systems, and manufacturing lines requiring reliable interruption of hazardous operations. Its manual reset feature ensures hazardous conditions are reviewed before restarting equipment, minimizing risk. The relay’s compact design allows it to be deployed in space-constrained control panels without compromising safety performance. It is commonly used in factory automation setups requiring compliance with international safety standards and is well suited for retrofitting existing Guardmaster systems.

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