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 | |
|---|---|---|---|---|---|
![]() | 1CU25R Supplementary Protector 25A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1CU30R Supplementary Protector 30A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1DU1R Supplementary Protector 1A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1DU2R Supplementary Protector 2A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1DU12R Supplementary Protector 12A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1DU15R Supplementary Protector 15A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1DU25R Supplementary Protector 25A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1DU40R Supplementary Protector 40A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.32 | Quick Quote | |
![]() | 2CU1R Supplementary Protector 1A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | Quick Quote | |
![]() | 2CU6R Supplementary Protector 6A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | Quick Quote | |