| 1DU20R Supplementary Protector 20A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $10.10 | |
| 1DU30R Supplementary Protector 30A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $10.10 | |
| 1CU4R Supplementary Protector 4A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $10.10 | |
| 1CU2R Supplementary Protector 2A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $10.10 | |
| 1C15UR Supplementary Protector 15A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $10.10 | |
| 3D50UR Supplementary Protector 50A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $30.29 | |
| 2D10UR Supplementary Protector 10A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $20.19 | |
| 2D16UR Supplementary Protector 16A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $20.19 | |
| 2DU05R Supplementary Protector 0.5A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $20.19 | |
| 2C15UR Supplementary Protector 15A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | | |