| 3D4UR Supplementary Protector 4A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| 3D15UR Supplementary Protector 15A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| 3D20UR Supplementary Protector 20A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| 3D25UR Supplementary Protector 25A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| 1C15UR Supplementary Protector 15A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | |
| 1C25UR Supplementary Protector 25A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | |
| 1C60UR Supplementary Protector 60A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $18.38 | |
| 1C63UR Supplementary Protector 63A, 1 Pole, 277V AC, C Trip | Altech Corp. | $18.38 | |
| 1D4UR Supplementary Protector 4A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |
| 1D10UR Supplementary Protector 10A, 1 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $17.33 | |