| 2DU2R Supplementary Protector 2A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $32.33 | |
| 2DU40R Supplementary Protector 40A, 2 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | |
| 3CU63R Supplementary Protector 63A, 3 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $51.98 | |
| 3DU05R Supplementary Protector 0.5A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | |
| 3DU2R Supplementary Protector 2A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | |
| 2C4UR Supplementary Protector 4A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $34.66 | |
| 2C40UR Supplementary Protector 40A, 2 Pole, 480Y/277V AC, C Trip, UL1077 | Altech Corp. | $36.74 | |
| 2C63UR Supplementary Protector 63A, 2 Pole, 480Y/277V AC, C Trip | Altech Corp. | $36.74 | |
| 2D05UR Supplementary Protector 0.5A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | |
| 2D4UR Supplementary Protector 4A, 2 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $34.66 | |