| 2CU32R Supplementary Protector 32A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | |
| 2CU50R Supplementary Protector 50A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | |
| 2DU4R Supplementary Protector 4A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $32.33 | |
| 2DU10R Supplementary Protector 10A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $32.33 | |
| 2DU12R Supplementary Protector 12A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $32.33 | |
| 3CU16R Supplementary Protector 16A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $48.51 | |
| 3CU20R Supplementary Protector 20A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $48.51 | |
| 2C6UR Supplementary Protector 6A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | |
| 2C20UR Supplementary Protector 20A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | |
| 2D20UR Supplementary Protector 20A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | |