OTHER ACCESSORIES
This signal box is installed for status indication behind security doors and airtight doors, as well as in diesel generator rooms, chambers, corridors and halls.
The middle partition of the end plate is welded to the box body.
An electric bell is mounted on the box. It shall be omitted if no bell is required in the NBC system.
8 to 12 holes are drilled at the top and bottom of the box respectively for wiring and heat dissipation.
On the frosted glass panel: the text for Isolation Mode is marked in red, Clean Mode in green, and Gas-filtering Mode in yellow.
Holes for porcelain lamp holders are drilled according to actual dimensions, and the holders are bolted to the center of two end plates and the middle partition.