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Supplementary Protectors
Altech Corp. Supplementary Protectors on Advantage Electric Supply


Supplementary Protectors- Altech Corp.
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.

247 products available










| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
![]() | 1C4UR Supplementary Protector 4A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.61 | Quick Quote | |
![]() | 1C50UR Supplementary Protector 50A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $21.87 | Quick Quote | |
![]() | 1CU16R Supplementary Protector 16A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $19.24 | Quick Quote | |
![]() | 1CU25R Supplementary Protector 25A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $19.24 | Quick Quote | |
![]() | 1CU30R Supplementary Protector 30A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $19.24 | Quick Quote | |
![]() | 1CU3R Supplementary Protector 3A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $19.24 | Quick Quote | |
![]() | 1D13UR Supplementary Protector 13A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $20.61 | Quick Quote | |
![]() | 1D16UR Supplementary Protector 16A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $20.61 | Quick Quote | |
![]() | 1D40UR Supplementary Protector 40A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $21.87 | Quick Quote | |
![]() | 1D6UR Supplementary Protector 6A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $20.61 | Quick Quote | |