Special Features:

Major components: frame only; mtg configuration: four 1/2 in.Dia holes, 2 at top, 2 at bottom spaced 2-5/16 in.C to c;

Properties:

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a circuit breaker, but which in itself is not a complete functioning item and cannot be assigned a more definite item name. Excludes coil, electrical; thermal release, circuit breaker; and tripper, circuit breaker.