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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 B1H2D3R is suitable for branch circuit device protection.
The Noark B1N3B3 is suitable for branch circuit device protection.
The Noark B1N3B3R is suitable for branch circuit device protection.
The Altech 3B3UR is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Altech 3BU3R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Noark B1H3B3 is suitable for branch circuit device protection.
The Noark B1H3B3R is suitable for branch circuit device protection.
The Noark B1N3C3 is suitable for branch circuit device protection.
The Noark B1N3C3R is suitable for branch circuit device protection.
The Altech 3CU3R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Noark B1H3C3 is suitable for branch circuit device protection.
The Noark B1H3C3R is suitable for branch circuit device protection.