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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 40A, 2 Pole, 480Y/277V AC, C Trip, UL1077
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Supplementary Protector 0.5A, 2 Pole, 480Y/277V AC, D Trip, UL1077
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Supplementary Protector 32A, 2 Pole, 480Y/277V AC, D Trip, UL1077
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Supplementary Protector 40A, 2 Pole, 480Y/277V AC, D Trip, UL1077
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Supplementary Protector 60A, 2 Pole, 480Y/277V AC, D Trip, UL1077
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| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
![]()  | 2C40UR Supplementary Protector 40A, 2 Pole, 480Y/277V AC, C Trip, UL1077  | Altech Corp.  | $36.74  | Quick Quote  | |
![]()  | 2C63UR Supplementary Protector 63A, 2 Pole, 480Y/277V AC, C Trip  | Altech Corp.  | $36.74  | Quick Quote  | |
![]()  | 2D05UR Supplementary Protector 0.5A, 2 Pole, 480Y/277V AC, D Trip, UL1077  | Altech Corp.  | $34.66  | Quick Quote  | |
![]()  | 2D4UR Supplementary Protector 4A, 2 Pole, 480Y/277V AC, D Trip, UL1077  | Altech Corp.  | $34.66  | Quick Quote  | |
![]()  | 2D32UR Supplementary Protector 32A, 2 Pole, 480Y/277V AC, D Trip, UL1077  | Altech Corp.  | $34.66  | Quick Quote  | |
![]()  | 2D40UR Supplementary Protector 40A, 2 Pole, 480Y/277V AC, D Trip, UL1077  | Altech Corp.  | $36.74  | Quick Quote  | |
![]()  | 2D60UR Supplementary Protector 60A, 2 Pole, 480Y/277V AC, D Trip, UL1077  | Altech Corp.  | $36.74  | Quick Quote  | |
![]()  | 2D63UR Supplementary Protector 63A, 2 Pole, 480Y/277V AC, D Trip  | Altech Corp.  | $36.74  | Quick Quote  | |
![]()  | 3C1UR Supplementary Protector 1A, 3 Pole, 480Y/277V AC, C Trip, UL1077  | Altech Corp.  | $51.99  | Quick Quote  | |
![]()  | 3C5UR Supplementary Protector 5A, 3 Pole, 480Y/277V AC, C Trip, UL1077  | Altech Corp.  | $51.99  | Quick Quote  | |