10 Ago Allen Bradley 440R-W23219 Ser. A MSR310P GuardMaster Safety Relay OVERNIGHT SHIP
Allen Bradley 440R-W23219 MSR310P Guardmaster Safety Relay Used surplus unit in clean condition. Bench power tested with 24VDC applied to A1/A2 terminals. Unit powers on successfully; status LED changes during startup sequence and RS232 activity LED flashes. No further functional testing or programming performed. Removed...