Special Features:

Horizontal split lens; upper half of lens is yellow illuminated with black characters reading pre prcsr; lower half of lens is black illuminated with yellow delta symbol; maj comp: lens 1, engraved legend plate 1, filter 1, retainer divider 1, lamp 4, emi screen 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.