| 1DU12R Supplementary Protector 12A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $19.24 | |
| 1DU15R Supplementary Protector 15A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $19.24 | |
| 1DU1R Supplementary Protector 1A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $19.24 | |
| 1DU25R Supplementary Protector 25A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $19.24 | |
| 1DU2R Supplementary Protector 2A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $19.24 | |
| 1DU40R Supplementary Protector 40A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $20.60 | |
| 3C10UR Supplementary Protector 10A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $61.85 | |
| 3C12UR Supplementary Protector 12A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $61.85 | |
| 3C1UR Supplementary Protector 1A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $61.85 | |
| 3C5UR Supplementary Protector 5A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $61.85 | |