| 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. | | |
| 1CU05R Supplementary Protector 0.5A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 2CU1R Supplementary Protector 1A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 2CU6R Supplementary Protector 6A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 2CU8R Supplementary Protector 8A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 2CU15R Supplementary Protector 15A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |