All categories
Supplementary Protectors
Supplementary Protectors on Advantage Electric Supply

Supplementary Protectors
Supplementary protectors are devices designed to meet the UL 1077 requirements. They supplement circuit protection by providing over-current protection where branch circuit protection is already in place or not required.
1,455 products available










Item | Manufacturer | Price | Stock | Delivery | |
---|---|---|---|---|---|
![]() | 2DU63R Supplementary Protector 63A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |
![]() | 3CU1R Supplementary Protector 1A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $48.51 | Quick Quote | |
![]() | 3CU4R Supplementary Protector 4A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $48.51 | Quick Quote | |
![]() | 3CU13R Supplementary Protector 13A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $48.51 | Quick Quote | |
![]() | 3CU60R Supplementary Protector 60A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $51.98 | Quick Quote | |
![]() | 3DU5R Supplementary Protector 5A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | Quick Quote | |
![]() | 3DU13R Supplementary Protector 13A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | Quick Quote | |
![]() | 3DU15R Supplementary Protector 15A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | Quick Quote | |
![]() | 3DU63R Supplementary Protector 63A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $51.98 | Quick Quote | |
![]() | 1C2UR Supplementary Protector 2A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | Quick Quote |