4
Federal Signal
signaling.fedsig.com
Figure 3 Front view of Ex d sounder
105.9 mm
(4.17 in
Ø
133.8 mm (5.27 in)
4X COUNTER-BORED
HOLES TO FIT M8
SOCKET-HEAD
CAP SCREWS
105.9 mm
(4.17 in
)
Mounting the Ex d e Surface-Mount Sounder
Mount the sounder to a flat surface using the six 8.5 mm mounting holes. Use installer-supplied fasteners suitable for
the surface to which the device will be mounted.
Figure 4 Front view of Ex d e surface mount
2X Ø8.5 mm
103.2 mm
(4.06 in)
122.6 mm
(4.83 in)
3X M20
GLAND
ENTRIES
4X COUNTER-BORED
HOLES TO FIT M8
SOCKET-HEAD
CAP SCREWS
105.9 mm
(4.17 in)
23.2 mm
(0.91 in)
