| 1C10UR Supplementary Protector 10A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | |
| 1DU16R Supplementary Protector 16A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $16.17 | |
| 2CU60R Supplementary Protector 60A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | |
| 2DU5R Supplementary Protector 5A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $32.33 | |
| 2DU6R Supplementary Protector 6A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $32.33 | |
| 2DU13R Supplementary Protector 13A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $32.33 | |
| 2DU16R Supplementary Protector 16A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $32.33 | |
| 2DU30R Supplementary Protector 30A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $32.33 | |
| 2DU60R Supplementary Protector 60A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | |
| 3CU2R Supplementary Protector 2A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $48.51 | |