| 1D16UR Supplementary Protector 16A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $13.64 | | |
| 3D05UR Supplementary Protector 0.5A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $45.20 | | |
| 2D16UR Supplementary Protector 16A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $30.13 | | |
| 2D10UR Supplementary Protector 10A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $30.13 | | |
| 3D50UR Supplementary Protector 50A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | | | |
| 3D16UR Supplementary Protector 16A, 3 Pole, 480Y/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. | | |
| 2CU20R Supplementary Protector 20A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |
| 2CU25R Supplementary Protector 25A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | | |