Allen‑Bradley – 440R‑N23135 MSR127RP – GuardMaster Monitored Manual Reset Safety

Main Features

• Manufacturer: Rockwell Automation (Allen‑Bradley), part of the GuardMaster safety relay family  

• Model/MPN: 440R‑N23135, catalogs as MSR127RP – manual monitored reset relay  

• Power Supply: 24 V AC/DC (50/60 Hz), typical consumption ~2–4 W  

• Safety Outputs:

  • 3 × Normally‑Open relay contacts for safety load switching  

  • 1 × Normally‑Closed auxiliary contact for diagnostics  

• Inputs: Single or dual-channel safety input (2 NC channels), manual monitored reset configuration  

• Reset & Monitoring: Monitored manual reset ensures reset circuit feedback is validated before enabling outputs  

• Contact Ratings: 6 A @ 24 V DC (DC‑13 standard contact rating)  

• Form Factor: Compact DIN‑rail module, 22.5 mm width, removable screw terminals and status LEDs