Allen-Bradley MSR127RP Safety Relay

The Allen-Bradley MSR127RP is a single-function safety relay from the Minotaur series, designed for applications requiring high safety integrity and monitored manual reset functionality.​

🔧 Key Specifications

• Reset Type: Monitored manual reset (manual monitored reset)

• Safety Outputs: 3 normally open (NO) safety-rated outputs

• Auxiliary Output: 1 normally closed (NC) auxiliary output

• Power Supply Options: 24V AC/DC, 115V AC, or 230V AC

• Safety Ratings:

  • Performance Level: PLe, Category 4 (ISO 13849-1)

  • SIL CL 3 (IEC 62061 / IEC 61508)

  • Mean Time To Dangerous Failure (MTTFd): 378 years

  • Diagnostic Coverage (DC): 99%

• Response Time: 15 ms

• Mounting: 35 mm DIN rail

• Enclosure Rating: IP40 (housing), IP20 (terminals)

• Operating Temperature Range: -5°C to +55°C (23°F to 131°F)​