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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 20A, 2 Pole, 480Y/277V AC, D Trip, UL1077
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Supplementary Protector 16A, 3 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 25A, 3 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 40A, 3 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 50A, 3 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 10A, 3 Pole, 480Y/277V AC, D Trip, UL1077
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Item | Manufacturer | Price | Stock | Delivery | |
---|---|---|---|---|---|
![]() | 2D20UR Supplementary Protector 20A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |
![]() | 3C4UR Supplementary Protector 4A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3C16UR Supplementary Protector 16A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3C25UR Supplementary Protector 25A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3C40UR Supplementary Protector 40A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $55.12 | Quick Quote | |
![]() | 3C50UR Supplementary Protector 50A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $55.12 | Quick Quote | |
![]() | 3D6UR Supplementary Protector 6A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3D10UR Supplementary Protector 10A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 1CU3R Supplementary Protector 3A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote | |
![]() | 1CU16R Supplementary Protector 16A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $16.17 | Quick Quote |