| 1CU12R Supplementary Protector 12A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 1CU15R Supplementary Protector 15A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 1CU50R Supplementary Protector 50A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 1CU60R Supplementary Protector 60A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 1DU4R Supplementary Protector 4A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1DU13R Supplementary Protector 13A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1DU32R Supplementary Protector 32A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 1DU63R Supplementary Protector 63A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | | |
| 2CU4R Supplementary Protector 4A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 2CU13R Supplementary Protector 13A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |