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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


Supplementary Protector 12A, 2 Pole, 480Y/277V AC, D Trip, UL1077
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Supplementary Protector 25A, 2 Pole, 480Y/277V AC, D Trip, UL1077
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Supplementary Protector 30A, 2 Pole, 480Y/277V AC, D Trip, UL1077
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| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
![]() | 2CU60R Supplementary Protector 60A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $41.24 | Quick Quote | |
![]() | 2D12UR Supplementary Protector 12A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $41.24 | Quick Quote | |
![]() | 2D25UR Supplementary Protector 25A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $41.24 | Quick Quote | |
![]() | 2D30UR Supplementary Protector 30A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $41.24 | Quick Quote | |
![]() | 2DU13R Supplementary Protector 13A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $38.47 | Quick Quote | |
![]() | 2DU16R Supplementary Protector 16A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $38.47 | Quick Quote | |
![]() | 2DU30R Supplementary Protector 30A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $38.47 | Quick Quote | |
![]() | 2DU5R Supplementary Protector 5A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $38.47 | Quick Quote | |
![]() | 2DU60R Supplementary Protector 60A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $41.24 | Quick Quote | |
![]() | 2DU6R Supplementary Protector 6A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $38.47 | Quick Quote | |