Duct detector housing, with base

• For use in ventilation systems with air speeds from 1 m/s to > 20 m/s.
• Relay option boards can be fitted for activation of > fans, door controls or external indicating equipment.
• The translucent part of the cover of the matte housings allows to see the > alarm LED of the integrated FAD-425-OR detector.
• Control to prevent unwanted removal of the housing cover.
• Easy installation of the FAD-425-OR detector.
• Maintains the functions of the LSN loop in the event of a > cable interruption or short circuit thanks to two integrated isolators.
• Dimensions (Height x Width x Depth): 16.50 x 39.50 x 11 cm.