Model: KR-37

Special Features:

Station lamp control; bell or buzzer signaling; ringback tone; can be expanded to tone systems after rotary-to-tone conversion; digital circuitry; used w/ 1a1 and 1a2 type key systems; mounts in apparatus cabinet, relay rack, or on wall; increased station capacity possible w/ added equipment

Properties:

An inclosure which includes mounts and protects such items as switches, circuit breakers, jacks, fuseholders, connectors, terminals and/or terminal boards, resistors, capacitors, transformers, and the like. It is primarily designed to interconnect two or more electrical and/or electronic items, except primary power source(s) such as generator(s) and battery(ies). It may include a cover or door. For inclosures which connect one or more primary power source(s) to one or more electrical and/or electronic item(s), see distribution box. See also circuit breaker box; terminal box and interconnecting cabinet.