Allen-Bradley – 440R-P226AGS-NNR (MSR42) – GuardMaster Multi-Function

Manufacturer: Allen‑Bradley / Rockwell Automation GuardMaster MSR series  

MPN: R‑PAGS‑NNR; commonly referred to as MSR Start or GuardShield safety relay  

Inputs: Up to safety inputs (suitable for safety light curtains, E-stops, safety doors); supports manual or automatic/manual monitored reset modes  

Outputs:

• PNP safety outputs (OSSD) rated at  mA each for direct connection to safety contactors  

• auxiliary configurable outputs for diagnostics or signaling

Voltage & Power Specs:  V DC power supply; module draws approx. . W  

Safety Ratings:

• EN ISO ‑ Category 

• SIL (IEC )

• IEC ‑ light curtain compatible  

Diagnostics & Indicators: Features front-panel LEDs; ribbon interface enables automatic muting, blanking, and external device monitoring (EDM/start-release functionality)  

Form Factor: DIN‑rail mountable, . mm width, approx.  × . ×  mm, weighing around . kg  

Connection Details: Removable terminal blocks; built-in RJ port for interfacing with GuardShield Micro‑ safety light curtains