The Key Switch (CNS-R | KS) allows the control of individual natural Smoke Heat Exhaust Vents (nSHEV) within a Natural Smoke Ventilation Systems. This allows the override of its automatic function with an open or close command in its comfort mode for access or natural day to day ventilation.
The key switch allows secure operation by authorised personnel only via a 3-Position switch for manual override of Open and Close or return to Automatic Mode.
The switch may be installed on any level adjacent to the zone it commands to allow local override for the smoke vent.
|Width (mm)||Height (mm)||Depth (mm)|