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FEDERAL PIONEER

AC-PRO trip unit retrofit kits are available for all vintages of Federal Pioneer circuit breakers including the 25H, 30H, 42H, 50H, 65H, 75H, 100H and the 100HF.

Early vintage Federal Pioneer circuit breakers were manufactured with electro-mechanical series overload/dashpot trip devices. Newer style Federal Pioneer air circuit breakers were manufactured with a variety of different electronic trip units. URC stocks AC-PRO kits to replace all of these electronic trip units, including the SSD, USD and USR.

AC Circuit Breakers

100HF1
100HF2F
H
H1
H2
H3

 

DC Circuit Breakers

100H3
25H2
50H2
75H3