| 3CU6R Supplementary Protector 6A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $57.72 | |
| 3CU8R Supplementary Protector 8A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $57.72 | |
| 3D1UR Supplementary Protector 1A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $61.85 | |
| 3D2UR Supplementary Protector 2A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $61.85 | |
| 3D5UR Supplementary Protector 5A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $61.85 | |
| 3DU16R Supplementary Protector 16A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $57.72 | |
| 3DU30R Supplementary Protector 30A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $57.72 | |
| 3DU3R Supplementary Protector 3A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $57.72 | |
| 3DU4R Supplementary Protector 4A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $57.72 | |
| 3DU60R Supplementary Protector 60A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $61.84 | |