Special Features:

Engraved lens legend data /pyro, 28/ready/a, stop/pyro, trip/; major components: module housing 1, four lamp module 1, green lamp filters 4, four-way split display screen 1, lens plat 1

Properties:

Two or more different types of items having a common mounting or mounted on each other which together forms a portion of a switch but which in itself is not a complete functioning item and cannot be assigned a more definite item name. See also switch section, rotary and contact assembly, electrical.