| 3CU60R Supplementary Protector 60A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 3DU5R Supplementary Protector 5A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1C40UR Supplementary Protector 40A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 1D5UR Supplementary Protector 5A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 2C05UR Supplementary Protector 0.5A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | | |
| 3C2UR Supplementary Protector 2A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | | |
| 3C6UR Supplementary Protector 6A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | | |
| 3C32UR Supplementary Protector 32A, 3 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | | |
| 3C63UR Supplementary Protector 63A, 3 Pole, 480Y/277V AC, C Trip | Altech Corp. | | |
| 3D12UR Supplementary Protector 12A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | | |