







⚡ Power up your pumps with confidence—never miss a beat in your workflow!
The SJ2 Single Phase Preventer by S.J. is a robust phase failure and imbalance protector designed for 3-phase motors ranging from 5 to 12.5 HP. Operating efficiently within a 280–415 V AC, 50 Hz supply, its compact panel-mount design ensures easy integration into pump panels. Built for durability and reliability, this device safeguards industrial pumps from electrical faults, minimizing downtime and maintenance costs.




| Brand | SJ |
| Manufacturer | SJ |
| Country of Origin | India |
| Model number | PR-04 |
| Colour | White |
| Number of Memory Sticks | 1 |
| Item Weight | 500 g |
| Product Dimensions | 17.5 x 10.5 x 4.5 cm; 500 g |
| Item model number | PR-04 |
| Item Height | 4.5 Centimeters |
| Item Width | 10.5 Centimeters |
| Are batteries included? | No |
Trustpilot
2 months ago
2 weeks ago
2 weeks ago
2 weeks ago