| 3D05UR Supplementary Protector 0.5A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | | |
| 1D16UR Supplementary Protector 16A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | | |
| 3D50UR Supplementary Protector 50A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $55.12 | | |
| 3D16UR Supplementary Protector 16A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | | |
| 2D16UR Supplementary Protector 16A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | | |
| 2D10UR Supplementary Protector 10A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | | |
| 3DU12R Supplementary Protector 12A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | |
| 3DU32R Supplementary Protector 32A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | |
| 3DU50R Supplementary Protector 50A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $51.98 | |
| 1C05UR Supplementary Protector 0.5A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | |