Westinghouse 1000PBPR20
1000PBPR20, Westinghouse, Tri-Pac, Type PB, circuit breaker part, terminal accessories, current limiters, 1 required per pole, breaker rating 600-1000A, provides 200kA up to 600Vac, UL listed, bolts to the load end of a standard Tri-Pac PB molded case circuit breakers