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Shop our wide selection of UL 489 miniature circuit breakers and UL 1077 supplementary protectors in both AC and DC voltages. They are available in one-, two- and three-pole versions with an amperage range up to 63A and in B, C or D trip curve options to meet your applications needs. Difference between UL 489 vs. UL 1077
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The Noark B1H1D2R is suitable for branch circuit device protection.
The Noark B1N2B2 is suitable for branch circuit device protection.
The Noark B1N2B2R is suitable for branch circuit device protection.
The Altech 2BU2R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Noark B1H2B2 is suitable for branch circuit device protection.
The Noark B1H2B2R is suitable for branch circuit device protection.
The Noark B1N2C2 is suitable for branch circuit device protection.
The Noark B1N2C2R is suitable for branch circuit device protection.
The Altech DC2CU2L is suitable for branch circuit device protection.
The Altech 2C2UL is suitable for branch circuit device protection.
The Altech 2CU2L is suitable for branch circuit device protection.
The Altech 2CU2R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.