Systemair FWS-P4 fire brigade switch+key - fire brigade switch, smoke extraction, red on/off/automatic

Fire brigade switch for switching by a key switch Incl. profile cylinder and key switch (FWS-ZY / item no.: 77157) Enclosure class IP44 B/H/D 125/125/70mm Color: red Nominal voltage: 24V DC Fire brigade switch in a wall mounting housing. Switch positions: ready/smoke extraction/off.