| 1C16UR Supplementary Protector 16A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | |
| 1C32UR Supplementary Protector 32A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D1UR Supplementary Protector 1A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D3UR Supplementary Protector 3A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D15UR Supplementary Protector 15A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D20UR Supplementary Protector 20A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D30UR Supplementary Protector 30A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D50UR Supplementary Protector 50A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $18.38 | |
| 1D63UR Supplementary Protector 63A, 1 Pole, 277V AC, D Trip | Altech Corp. | $18.38 | |
| 2C3UR Supplementary Protector 3A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | |