| 3D13UR Supplementary Protector 13A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1CU6R Supplementary Protector 6A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 1CU32R Supplementary Protector 32A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 1DU5R Supplementary Protector 5A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1DU10R Supplementary Protector 10A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1DU50R Supplementary Protector 50A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1DU60R Supplementary Protector 60A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 2CU2R Supplementary Protector 2A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 2CU12R Supplementary Protector 12A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 2CU40R Supplementary Protector 40A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |