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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 DC2DU50L is suitable for branch circuit device protection.
The Altech 2D50UR is suitable for branch circuit device protection.
The Altech 2DU50R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Noark B1N3B50 is suitable for branch circuit device protection.
The Altech 3BU50R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Altech 3CU50L is suitable for branch circuit device protection.
The Noark B1N3C50 is suitable for branch circuit device protection.
The Altech 3CU50R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Altech 3DU50L is suitable for branch circuit device protection.
The Noark B1N3D50 is suitable for branch circuit device protection.
The Altech 3DU50R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.
The Lovato P1MB1PB50 is suitable for branch circuit device protection.(Pack of 12)