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Supplementary Protectors
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.
Found 1,459 products
Supplementary Protector 50A, 3 Pole, 480Y/277V AC, D Trip, UL1077
1 in stock
24 hours
Supplementary Protector 0.5A, 3 Pole, 480Y/277V AC, D Trip, UL1077
1 in stock
24 hours
Supplementary Protector 16A, 1 Pole, 277V AC, D Trip, UL1077
4 in stock
24 hours
Supplementary Protector 16A, 2 Pole, 480Y/277V AC, D Trip, UL1077
1 in stock
24 hours
Supplementary Protector 10A, 2 Pole, 480Y/277V AC, D Trip, UL1077
81 in stock
24 hours
| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
 | 3D50UR Supplementary Protector 50A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $50.48 | 1 in stock | 24 hours |
 | 3D05UR Supplementary Protector 0.5A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $45.20 | 1 in stock | 24 hours |
 | 1D16UR Supplementary Protector 16A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $13.64 | 4 in stock | 24 hours |
 | 2D16UR Supplementary Protector 16A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $30.13 | 1 in stock | 24 hours |
| 2D10UR Supplementary Protector 10A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $30.13 | 81 in stock | 24 hours |
 | FAZ-S20/1 Eaton - FAZ-S20/1 | Eaton | $175.41 | Quick Quote | |
 | FAZ-S20/2 Eaton - FAZ-S20/2 | Eaton | $371.06 | Quick Quote | |
 | 1CU1R Supplementary Protector 1A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $14.81 | Quick Quote | |
| 1CU20R Supplementary Protector 20A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $14.81 | Quick Quote | |
| 1CU40R Supplementary Protector 40A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $15.86 | Quick Quote | |