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Medium- & Low-voltage Switchgear & Systems

Obsolete Products

As of MAR.-2014

DC High-speed Circuit Breakers

Series Type Alternative product Interchangeability Abolished year Parts available until:(*1) Maintenance available until:
BHF BHF-30 BHF-30B Yes DEC.-1977 DEC.-2010 DEC.-2015
BHF-50 BHF-50B Yes DEC.-1977
BHB BHB-20 BHB-20B Yes DEC.-1973 DEC.-2010 DEC.-2015
BHB-30 BHB-30B Yes DEC.-1978
BHB-50 BHB-50B Yes DEC.-1978
AH AHF-30 BHF-30B Yes DEC.-1966 DEC.-2010 DEC.-2015
AHF-50 BHF-50B Yes DEC.-1969
HS HS-15B BHF-20B No DEC.-1966 DEC.-1976 DEC.-1976
HS-30B BHF-30B No DEC.-1967 DEC.-1977 DEC.-1977
HS-40B BHF-50B No DEC.-1966 DEC.-1976 DEC.-1976
HS-50B BHF-50B No DEC.-1967 DEC.-1977 DEC.-1977
HS-60B BHF-80 No DEC.-1968 DEC.-1978 DEC.-1978
HS-70A BHF-80 No DEC.-1967 DEC.-1977 DEC.-1977
HP HP-15B KH-3F No DEC.-1963 DEC.-1973 DEC.-1973
HP-30B KH-3F No DEC.-1964 DEC.-1974 DEC.-1974
HP-50B None DEC.-1961 DEC.-1971 DEC.-1971
HP-60B None DEC.-1961 DEC.-1971 DEC.-1971
HP-70A None DEC.-1967 DEC.-1977 DEC.-1977


Some particular parts may not be available.

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