| 3DU25R Supplementary Protector 25A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $48.51 | |
| 3DU40R Supplementary Protector 40A, 3 Pole, 277V AC, D Trip, UL1077 | Altech Corp. | $51.98 | |
| 1C1UR Supplementary Protector 1A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | |
| 1C3UR Supplementary Protector 3A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $17.33 | |
| 3D63UR Supplementary Protector 63A, 3 Pole, 480Y/277V AC, D Trip | Altech Corp. | $55.12 | |
| 1CU5R Supplementary Protector 5A, 1 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $16.17 | |
| 2CU05R Supplementary Protector 0.5A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | |
| 2CU3R Supplementary Protector 3A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | |
| 2CU5R Supplementary Protector 5A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | |
| 2CU10R Supplementary Protector 10A, 2 Pole, 277V AC, C Trip, UL1077 | Altech Corp. | $32.33 | |