STA321.65L10

Electrothermal actuator for radiator valves, small valves, and PICVs, standard version with connection cable (1 m), Normally Closed, AC 230 V power supply, 100 N force, visible position indicator over 270°, mounting with sliding sleeve (bayonet), no maintenance required, completely silent, IP54. It consists of a thermostatic expansion element which, once it receives the 230 Vac command, causes a plunger to extend and push down the valve stem, overcoming the opposing spring of the valve body itself.