| 3D3UR Supplementary Protector 3A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| 3D4UR Supplementary Protector 4A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| 3D15UR Supplementary Protector 15A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| 3D20UR Supplementary Protector 20A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| 3D25UR Supplementary Protector 25A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| 1D05UR Supplementary Protector 0.5A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D2UR Supplementary Protector 2A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D12UR Supplementary Protector 12A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D60UR Supplementary Protector 60A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $18.38 | |
| 3DU20R Supplementary Protector 20A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | |