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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




Supplementary Protector 0.5A, 2 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 10A, 2 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 12A, 2 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 16A, 2 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 25A, 2 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 30A, 2 Pole, 480Y/277V AC, C Trip, UL1077
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| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
![]() | 1C30UR Supplementary Protector 30A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | Quick Quote | |
![]() | 1C40UR Supplementary Protector 40A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $18.38 | Quick Quote | |
![]() | 1D5UR Supplementary Protector 5A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | Quick Quote | |
![]() | 2C05UR Supplementary Protector 0.5A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |
![]() | 2C5UR Supplementary Protector 5A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |
![]() | 2C10UR Supplementary Protector 10A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |
![]() | 2C12UR Supplementary Protector 12A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |
![]() | 2C16UR Supplementary Protector 16A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |
![]() | 2C25UR Supplementary Protector 25A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |
![]() | 2C30UR Supplementary Protector 30A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |