All categories
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







277/480 VAC 50/60 Hz, 3 A, 1-Pole, 10 kA, 13 to 17 x Rated Current, Line/Load Te...
Quick Quote

277/480 VAC 50/60 Hz, 10 A, 1-Pole, 10 kA, 13 to 17 x Rated Current, Line/Load T...
Quick Quote

Circuit Breaker, High Performance, 2 pole, 25 A, 690 VAC, C Curve, IEC
Quick Quote

Circuit Breaker, High Performance, 2 pole, 40 A, 690 VAC, C Curve, IEC
Quick Quote
| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
![]() | 3D30UR Supplementary Protector 30A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 3D32UR Supplementary Protector 32A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 3D40UR Supplementary Protector 40A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 3D50UR Supplementary Protector 50A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 3D60UR Supplementary Protector 60A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | Quick Quote | ||
![]() | 2DU02R 2DU02R,0.2A MCB,DCHAR,2POLE | Altech Corp. | Quick Quote | ||
![]() | FAZ-S3/1 277/480 VAC 50/60 Hz, 3 A, 1-Pole, 10 kA, 13 to 17 x Rated Current, Line/Load Te... | Eaton | Quick Quote | ||
![]() | FAZ-S10/1 277/480 VAC 50/60 Hz, 10 A, 1-Pole, 10 kA, 13 to 17 x Rated Current, Line/Load T... | Eaton | Quick Quote | ||
![]() | S802S-C25 Circuit Breaker, High Performance, 2 pole, 25 A, 690 VAC, C Curve, IEC | ABB Control | Quick Quote | ||
![]() | S802S-C40 Circuit Breaker, High Performance, 2 pole, 40 A, 690 VAC, C Curve, IEC | ABB Control | Quick Quote | ||