SJ2 Single Phase Preventer | 5–12.5 HP | 280–415V AC | Phase Failure Protection for Pumps | SJ
Product ID: 539503775
⚡5–12.5 HP motor range
🔌280–415V AC wide voltage compatibility
🛡️Instant phase failure & imbalance protection
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🛡️ Don’t let phase failure burn your motor—protect smart, run smooth!
The SJ2 Single Phase Preventer is a robust, Indian-made device designed to safeguard 3-phase motors from 5 to 12.5 HP against phase failure and voltage imbalance. Compatible with 280–415V AC supplies, it features automatic disconnection on fault detection, a compact panel-mount design, and rugged construction for industrial reliability. Trusted by lakhs nationwide, it’s the essential protector for pumps and machinery, minimizing downtime and costly repairs.
| ASIN | B078XBX4HC |
| Are batteries included? | No |
| Best Sellers Rank | #46,942 in Garden & Outdoors ( See Top 100 in Garden & Outdoors ) #246 in Pumps |
| Brand | SJ |
| Colour | White |
| Country of Origin | India |
| Customer Reviews | 3.7 3.7 out of 5 stars (3) |
| Date First Available | 9 January 2018 |
| Item Dimensions LxWxH | 17.5 x 10.5 x 4.5 Centimeters |
| Item Height | 4.5 Centimeters |
| Item Weight | 500 g |
| Item Width | 10.5 Centimeters |
| Item model number | PR-04 |
| Manufacturer | SJ |
| Model number | PR-04 |
| Number of Memory Sticks | 1 |
| Product Dimensions | 17.5 x 10.5 x 4.5 cm; 500 g |
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