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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 Altech 2BU30R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Noark B1H2B30 is suitable for branch circuit device protection.
The Noark series B1H is suitable for branch circuit device protection, and avaliable with provisions for ring tounge terminals.
The Altech 2C30DL is suitable for branch circuit device protection.
The Noark B1N2C30 is suitable for branch circuit device protection.
The Noark B1N2C30R is suitable for branch circuit device protection.
The Altech DC2CU30L is suitable for branch circuit device protection.
The Altech 2CU30L is suitable for branch circuit device protection.
The Altech 2CU30R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Noark B1H2C30 is suitable for branch circuit device protection.
The Noark B1H2C30R is suitable for branch circuit device protection.
The Noark B1N2D30 is suitable for branch circuit device protection.