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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 | |
|---|---|---|---|---|---|
![]() | 1CU15R Supplementary Protector 15A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1CU50R Supplementary Protector 50A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.32 | Quick Quote | |
![]() | 1CU60R Supplementary Protector 60A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.32 | Quick Quote | |
![]() | 1DU4R Supplementary Protector 4A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1DU13R Supplementary Protector 13A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1DU32R Supplementary Protector 32A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1DU63R Supplementary Protector 63A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.32 | Quick Quote | |
![]() | 2CU4R Supplementary Protector 4A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | Quick Quote | |
![]() | 2CU13R Supplementary Protector 13A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | Quick Quote | |
![]() | 2CU20R Supplementary Protector 20A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | Quick Quote | |