| 1DU2R Supplementary Protector 2A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $14.81 | |
| 1DU12R Supplementary Protector 12A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $14.81 | |
| 1DU15R Supplementary Protector 15A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $14.81 | |
| 1DU25R Supplementary Protector 25A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $14.81 | |
| 1DU40R Supplementary Protector 40A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $15.86 | |
| 2CU1R Supplementary Protector 1A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $29.61 | |
| 2CU6R Supplementary Protector 6A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $29.61 | |
| 2CU8R Supplementary Protector 8A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $29.61 | |
| 2CU15R Supplementary Protector 15A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $29.61 | |
| 2CU16R Supplementary Protector 16A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $29.61 | |