Patent ID: 9437385
Filing Date: 2016-09-06
CPC Classification: H01H

Claim Text:
1. A circuit breaker for insertion into a circuit breaker compartment of a complementary panelboard, the circuit breaker comprising: a) a box-like case with top and bottom panels, opposing side panels, and front and end panels, the bottom panel having a terminal-surrounding case extension with an open bottom; b) all terminals of the circuit breaker being located within exterior dimensions of the case, with c) covers for openings in the end panel arranged such that the load power and load side neutral terminals can only have wires attached thereto when the circuit breaker is not in the circuit breaker compartment of the complementary panelboard, and d) the covers arranged so that a wired circuit breaker with an open load side terminal cover will have the cover remain open, and e) keying features on the circuit breaker case whereby access barriers in the circuit breaker compartment for preventing panelboard connection to the line side terminals are circumvented upon insertion of the circuit breaker to the circuit breaker compartment.