581 SERIES VALVE SIZE 1, 5/2 WAY, SINGLE SOLENOID, SPRING RETURN EL. 1 PILOT VALVE 30MM CNOMO WITHOUT FLOW CONTROLS,INTERNAL 240 VOLT DC, 6,7 W PILOT VALVE WITH SINGLE SOLENOID WITH NON-LOCKING MANUAL OVERRIDE. V581-I1-5/2SR-24V42-CNO-AL-INT-T0-117054