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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










| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
![]()  | 1C15UR Supplementary Protector 15A, 1 Pole, 277V AC, C Trip, UL1077  | Altech Corp.  | $17.33  | Quick Quote  | |
![]()  | 1C25UR Supplementary Protector 25A, 1 Pole, 277V AC, C Trip, UL1077  | Altech Corp.  | $17.33  | Quick Quote  | |
![]()  | 1C60UR Supplementary Protector 60A, 1 Pole, 277V AC, C Trip, UL1077  | Altech Corp.  | $18.38  | Quick Quote  | |
![]()  | 1C63UR Supplementary Protector 63A, 1 Pole, 277V AC, C Trip  | Altech Corp.  | $18.38  | Quick Quote  | |
![]()  | 1D4UR Supplementary Protector 4A, 1 Pole, 277V AC, D Trip, UL1077  | Altech Corp.  | $17.33  | Quick Quote  | |
![]()  | 1D10UR Supplementary Protector 10A, 1 Pole, 277V AC, D Trip, UL1077  | Altech Corp.  | $17.33  | Quick Quote  | |
![]()  | 1D25UR Supplementary Protector 25A, 1 Pole, 277V AC, D Trip, UL1077  | Altech Corp.  | $17.33  | Quick Quote  | |
![]()  | 1D32UR Supplementary Protector 32A, 1 Pole, 277V AC, D Trip, UL1077  | Altech Corp.  | $17.33  | Quick Quote  | |
![]()  | 2C2UR Supplementary Protector 2A, 2 Pole, 480Y/277V AC, C Trip, UL1077  | Altech Corp.  | $34.66  | Quick Quote  | |
![]()  | 2C4UR Supplementary Protector 4A, 2 Pole, 480Y/277V AC, C Trip, UL1077  | Altech Corp.  | $34.66  | Quick Quote  | |