Surface Mount Back Box - Bosch FAP-O 500 Series Product Information

Product Information 500 Series LSN Fire Detectors (EU)

5.5. Surface Mount Back Box

The surface mount back boxes allow flush and surface cable duct via conduits.
The FAA−500−SB−H box has an additional seal for damp rooms.
For surface cable duct use the side knockouts . For flush cable duct, there are two ope-
nings in the bottom (see Fig. 15.):
− Y: ∅ 20 mm for cable gland PG 13,5
− Z: ∅ 25 mm for 3/4'' conduits.
Using cable glands PG 13,5, the maximum cable gauge is 1,2 cm.
Y
15.
Mounting occurs
− via the elongated slots or
− via the four mounting holes to mount directly to 4 inch electrical boxes or single gang
switch boxes (for US).
∅ 20 mm
8,5 mm
35 mm
Z
20 mm 14,5 mm
Page 24
Z
Y
8,5 mm
Z
∅ 25 mm
40,5 mm
PI − 34.70 en
j max.:
0.6−1,2 cm
PG 13,5
Y
BDL−F.01U.025.876
A5.en/ 02.02.2006
ST−FIR/PRM1 / zab