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Supplementary Protectors
Supplementary Protectors on Powermatic Associates

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.
1,275 products available










| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
![]() | 3DU1R Supplementary Protector 1A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 3DU10R Supplementary Protector 10A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 3DU20R Supplementary Protector 20A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 3DU25R Supplementary Protector 25A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 3DU40R Supplementary Protector 40A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 1C1UR Supplementary Protector 1A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 1C3UR Supplementary Protector 3A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 1D05UR Supplementary Protector 0.5A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 1D2UR Supplementary Protector 2A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 1D12UR Supplementary Protector 12A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||