440-RM23147 Allen-Bradley Guardmaster MSR138DP Safety Relay 24VAC/DC 2NO + 3NO Delayed Outputs

Description:

• Genuine Allen-Bradley Guardmaster MSR138DP safety relay for monitoring emergency stop circuits, safety gates, light curtains, and other machine safety devices
• Operates on 24 VAC/DC control voltage
• Features 2 immediate Normally Open (NO) safety outputs and 3 delayed Normally Open (NO) safety outputs
• Adjustable time delay from 0.5 to 10 seconds for controlled machine stopping applications
• Supports 1 NC / 2 NC / Light Curtain safety input configurations
• Configurable Automatic, Manual, or Monitored Manual Reset
• Removable screw terminal blocks simplify installation and maintenance
• Compact 45 mm DIN rail mount design for industrial control panels
• Certified for Safety Category 4 / Performance Level e (PLe) applications
• Ideal for emergency stop systems, safety interlocks, machine guarding, conveyors, presses, packaging equipment, and industrial automation.

Specifications:

• Manufacturer Name: Allen-Bradley (Rockwell Automation)
• Part Number (MPN): 440-RM23147
• Product Series: Guardmaster MSR138DP
• Product Type: Safety Relay
• Supply Voltage: 24 VAC/DC
• Input Configuration:
  • 1 NC
  • 2 NC
  • Light Curtain
• Immediate Safety Outputs: 2 NO
• Delayed Safety Outputs: 3 NO
• Auxiliary Output: 1 NC
• Time Delay: 0.5–10 Seconds (Adjustable)
• Reset Modes:
  • Automatic
  • Manual
  • Monitored Manual
• Mounting Type: 35 mm DIN Rail
• Terminal Type: Removable Screw Terminals
• Width: 45 mm
• Safety Category: Category 4
• Performance Level: PLe (ISO 13849-1)
• Degree of Protection:
  • IP40 Housing
  • IP20 Terminals
• Operating Temperature: -5°C to +55°C
• Certifications: UL Listed, CE, CSA, UKCA
• Applications:
  • Emergency Stop Systems
  • Safety Gates
  • Light Curtains
  • Machine Guarding
  • Industrial Automation
  • Packaging Machinery
  • Conveyor Systems
  • OEM Equipment

Dimensions:

• Width: 45 mm (1.77 in)
• Height: 99 mm (3.90 in)
• Depth: 114.5 mm (4.51 in)

Weight:

• Approximate Weight: 0.35 kg (0.77 lb).