24
October 2010
AUTOMATIKPRODUKTER
AUTOMATIKPRODUKTER
ATEX – Duct Smoke Detector
8.3.2
Signal and display control element SAB 04
Fig. 8-06 Optional signal and display control element SAB 04, front view
The power supply and tripping unit NAG 03 can optionally be fitted (retrofitting
is possible) with the signal and display control element SAB 04. After tripping of
the smoke switch and after power supply failure the SAB 04 prevents automatic
switch-on of the connected system components.
8.3.3
Manual actuation pushbutton 422 Ex
Fig. 8-07 Manual actuation pushbutton 422 Ex
The manual actuation pushbutton 422 Ex is used for manual actuation of fire
and smoke protection flaps and control of ventilation systems in potentially
explosive environments. It is suitable for application in areas with a Zone 1 and
Zone 2 explosion hazard and in areas for which
degree of protection IP 65
is
required. The manual actuation pushbutton 422 Ex has ATEX approval.
The manual actuation pushbutton 422 Ex is intended for surface installation. It is
also suitable for application in moist rooms.