| 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 | |
| 1DU6R Supplementary Protector 6A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $19.24 | |
| 1C10UR Supplementary Protector 10A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.61 | |
| 1C1UR Supplementary Protector 1A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.61 | |
| 1C3UR Supplementary Protector 3A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $20.61 | |