| 3CU20R Supplementary Protector 20A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $57.72 | |
| 3D05UR Supplementary Protector 0.5A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $61.85 | |
| 3D10UR Supplementary Protector 10A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $61.85 | |
| 3D6UR Supplementary Protector 6A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $61.85 | |
| 3DU12R Supplementary Protector 12A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $57.72 | |
| 3DU32R Supplementary Protector 32A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $57.72 | |
| 3DU50R Supplementary Protector 50A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $61.84 | |
| 1C05UR Supplementary Protector 0.5A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.61 | |
| 1C12UR Supplementary Protector 12A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.61 | |
| 1C20UR Supplementary Protector 20A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.61 | |