VAN ĐIỆN TỪ ASCO 881, SERIES 881, Reed Switch

ASCO series 881 compact signalling unit fits all 290 (2/2 NC) and 390 (3/2) valves with 32mm (NC), 63 to 125mm (NC/NO) operators and electrically and visually indicates whether the valve is open or closed. Due to its small size the signal unit can easily fit into confined spaces. No special tools needed, making installation easier. One standard detector support suitable for both reed switch and magneto-resistive (MR) UNI-type detectors.