Sty switch

Revision switch (black/grey) made of UV and weather-resistant plastic.Can be locked in the "Off" position via padlocks.3 poles + 1 auxiliary contact (1x NO contact). When operating with explosion-proof fans, the switch must be installed outside the explosive atmosphere.Note: In combination with units of the Topvex series, the switch must be used as a service switch. This means that the AHU must be shut down and off via the control system, before the switch is operated.