| 3D32UR Supplementary Protector 32A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | | |
| 3D40UR Supplementary Protector 40A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | | |
| 3D60UR Supplementary Protector 60A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1C60UR Supplementary Protector 60A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 1C63UR Supplementary Protector 63A, 1 Pole, 277V AC, C Trip | Altech Corp. | | |
| 1D4UR Supplementary Protector 4A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1D10UR Supplementary Protector 10A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1D25UR Supplementary Protector 25A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1D32UR Supplementary Protector 32A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 2C2UR Supplementary Protector 2A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | | |