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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 B1N1C20 is suitable for branch circuit device protection.
The Noark B1N1C20R is suitable for branch circuit device protection.
The Altech 1C20UL is suitable for branch circuit device protection.
The Altech 1CU20L is suitable for branch circuit device protection.
The Altech 1CU20R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Noark B1H1C20 is suitable for branch circuit device protection.
The Noark B1H1C20R is suitable for branch circuit device protection.
The Altech DC1DU20L is suitable for branch circuit device protection.
The Noark B1N1D20 is suitable for branch circuit device protection.
The Noark B1N1D20R is suitable for branch circuit device protection.
The Altech 1D20UL is suitable for branch circuit device protection.
The Altech 1DU20L is suitable for branch circuit device protection.