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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 30A, 2 Pole, 480Y/277V AC, D Trip, UL1077
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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 | |
---|---|---|---|---|---|
![]() | 2D30UR Supplementary Protector 30A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | Quick Quote | |
![]() | 3C05UR Supplementary Protector 0.5A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3C20UR Supplementary Protector 20A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3C30UR Supplementary Protector 30A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3D1UR Supplementary Protector 1A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3D2UR Supplementary Protector 2A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3D5UR Supplementary Protector 5A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | Quick Quote | |
![]() | 3DU16R Supplementary Protector 16A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | Quick Quote | |
![]() | 3DU30R Supplementary Protector 30A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | Quick Quote | |
![]() | 3DU60R Supplementary Protector 60A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $51.98 | Quick Quote |