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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 | |
|---|---|---|---|---|---|
![]() | 1C15UR Supplementary Protector 15A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.61 | Quick Quote | |
![]() | 1C25UR Supplementary Protector 25A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.61 | Quick Quote | |
![]() | 1C60UR Supplementary Protector 60A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $21.87 | Quick Quote | |
![]() | 1C63UR Supplementary Protector 63A, 1 Pole, 277V AC, C Trip | Altech Corp. | $21.87 | Quick Quote | |
![]() | 1CU10R Supplementary Protector 10A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $19.24 | Quick Quote | |
![]() | 1CU12R Supplementary Protector 12A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $19.24 | Quick Quote | |
![]() | 1CU15R Supplementary Protector 15A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $19.24 | Quick Quote | |
![]() | 1CU50R Supplementary Protector 50A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.60 | Quick Quote | |
![]() | 1CU60R Supplementary Protector 60A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.60 | Quick Quote | |
![]() | 1CU8R Supplementary Protector 8A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $19.24 | Quick Quote | |