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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 0.5A, 3 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 20A, 3 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 30A, 3 Pole, 480Y/277V AC, C Trip, UL1077
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| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
![]() | 2DU6R Supplementary Protector 6A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $38.47 | Quick Quote | |
![]() | 3C05UR Supplementary Protector 0.5A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $61.85 | Quick Quote | |
![]() | 3C20UR Supplementary Protector 20A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $61.85 | Quick Quote | |
![]() | 3C30UR Supplementary Protector 30A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $61.85 | Quick Quote | |
![]() | 3CU10R Supplementary Protector 10A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $57.72 | Quick Quote | |
![]() | 3CU12R Supplementary Protector 12A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $57.72 | Quick Quote | |
![]() | 3CU25R Supplementary Protector 25A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $57.72 | Quick Quote | |
![]() | 3CU2R Supplementary Protector 2A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $57.72 | Quick Quote | |
![]() | 3CU40R Supplementary Protector 40A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $61.84 | Quick Quote | |
![]() | 3CU50R Supplementary Protector 50A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $61.84 | Quick Quote | |