Skip to product information
1 of 3

AB ALLEN-BRADLEY

440R-N23135 Allen-Bradley Guardmaster MSR127RP Series C Safety Relay 24V AC/DC Manual Reset

440R-N23135 Allen-Bradley Guardmaster MSR127RP Series C Safety Relay 24V AC/DC Manual Reset

Regular price $299.99 CAD
Regular price Sale price $299.99 CAD
Sale Sold out
STYLE
Quantity

Description:

  • Genuine Allen-Bradley Guardmaster single-function safety relay for industrial machine safety applications
  • MSR127RP Series C safety relay designed for monitoring emergency stop circuits, safety gates, interlock switches, and light curtains
  • Operates on 24V AC/DC control power
  • Supports 1 N.C., 2 N.C., or OSSD light curtain inputs for flexible safety device integration
  • Features 3 Normally Open (N.O.) safety outputs and 1 Normally Closed (N.C.) auxiliary output
  • Monitored manual reset function enhances machine safety and prevents unexpected restart
  • Compact 22.5 mm housing with removable screw terminals for quick installation and maintenance
  • DIN rail mount design for easy integration into industrial control panels
  • Certified to Category 4, PLe (ISO 13849-1) and SIL CL 3 (IEC 62061) for high-performance safety applications
  • Ideal for machine guarding, conveyors, robotics, packaging machinery, manufacturing equipment, and industrial automation.

Specifications:

  • Manufacturer Name: Allen-Bradley (Rockwell Automation)
  • Part Number (MPN): 440R-N23135
  • Relay Model: MSR127RP
  • Series: Series C
  • Product Family: Guardmaster 440R
  • Product Type: Safety Relay
  • Supply Voltage:
    • 24 VAC
    • 24 VDC
  • Input Configuration:
    • 1 N.C.
    • 2 N.C.
    • OSSD Light Curtain Inputs
  • Safety Outputs: 3 Normally Open (N.O.)
  • Auxiliary Outputs: 1 Normally Closed (N.C.)
  • Reset Type: Monitored Manual Reset
  • Terminal Type: Removable Screw Terminals
  • Mounting Type: 35 mm DIN Rail
  • Housing Width: 22.5 mm
  • Rated Operational Current:
    • 5 A @ 250 VAC (AC-1 / AC-15)
    • 3 A @ 24 VDC (DC-13)
  • Power Consumption: 2 W Maximum
  • Operating Temperature: -5°C to +55°C
  • Protection Rating:
    • IP40 (Housing)
    • IP20 (Terminals)
  • Safety Ratings:
    • Category 4 (ISO 13849-1)
    • Performance Level e (PLe)
    • SIL CL 3 (IEC 62061)
  • Certifications:
    • UL/cUL
    • CE
    • TÜV
    • UKCA
  • Applications:
    • Emergency Stop Circuits
    • Safety Gate Monitoring
    • Light Curtain Monitoring
    • Machine Guarding
    • Industrial Automation
    • Robotics
    • Packaging Equipment
    • OEM Machinery

Dimensions:

  • Height: 99 mm (3.90 in)
  • Width: 22.5 mm (0.89 in)
  • Depth: 114.5 mm (4.51 in).

Weight:

  • Approximate Weight: 0.21 kg (0.46 lb).
View full details