---
product_id: 539503775
title: "SJ2 Single Phase Preventer | 5–12.5 HP | 280–415V AC | Phase Failure Protection for Pumps | SJ"
brand: "sj"
price: "B/.888"
currency: PAB
in_stock: true
url: https://www.desertcart.com.pa/products/539503775-sj2-single-phase-preventer-5-12-5-hp-280-415v
store_origin: PA
region: Panama
---

# 5–12.5 HP motor protection 280–415 V AC compatibility Compact panel-mount design SJ2 Single Phase Preventer | 5–12.5 HP | 280–415V AC | Phase Failure Protection for Pumps | SJ

**Brand:** sj
**Price:** B/.888
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your pumps with confidence—never miss a beat in your workflow!

## Quick Answers

- **What is this?** SJ2 Single Phase Preventer | 5–12.5 HP | 280–415V AC | Phase Failure Protection for Pumps | SJ by sj
- **How much does it cost?** B/.888 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/539503775-sj2-single-phase-preventer-5-12-5-hp-280-415v)

## Best For

- sj enthusiasts

## Why This Product

- Trusted sj brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Durable construction engineered to withstand rugged industrial environments and heavy usage.
- • **Space-Smart Design:** Compact panel-mount form factor fits effortlessly into existing pump control panels for quick installation.
- • **Wide Voltage Range:** Seamlessly operates on 280–415 V AC, ensuring consistent performance across diverse industrial setups.
- • **Phase Failure Shield:** Safeguard your 3-phase pumps from costly downtime with reliable phase failure and imbalance protection.
- • **Trusted Industrial Legacy:** Backed by the reputable S.J. brand, a hallmark of quality and reliability in power protection.

## Overview

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.

## Description

Full description not available

## Features

- ⚡ Protects 3‑Phase Motors (5–12.5 HP) from phase failure and imbalance
- 🔌 Works on 280–415 V AC, 50 Hz 3-phase supply for reliability
- 🛠️ Compact, Panel-Mount Design for easy installation in pump panels
- ✅ Durable Construction built for rugged conditions
- 🏭 Trusted S.J. Brand

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Images

![SJ2 Single Phase Preventer | 5–12.5 HP | 280–415V AC | Phase Failure Protection for Pumps | SJ - Image 1](https://m.media-amazon.com/images/I/61eNulsjSML.jpg)
![SJ2 Single Phase Preventer | 5–12.5 HP | 280–415V AC | Phase Failure Protection for Pumps | SJ - Image 2](https://m.media-amazon.com/images/I/819CLFKhVUL.jpg)
![SJ2 Single Phase Preventer | 5–12.5 HP | 280–415V AC | Phase Failure Protection for Pumps | SJ - Image 3](https://m.media-amazon.com/images/I/A1PhW1kSo3L.jpg)
![SJ2 Single Phase Preventer | 5–12.5 HP | 280–415V AC | Phase Failure Protection for Pumps | SJ - Image 4](https://m.media-amazon.com/images/I/61vFAZrKFPL.jpg)
![SJ2 Single Phase Preventer | 5–12.5 HP | 280–415V AC | Phase Failure Protection for Pumps | SJ - Image 5](https://m.media-amazon.com/images/I/61gCysljViL.jpg)

---

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**Shop now:** [https://www.desertcart.com.pa/products/539503775-sj2-single-phase-preventer-5-12-5-hp-280-415v](https://www.desertcart.com.pa/products/539503775-sj2-single-phase-preventer-5-12-5-hp-280-415v)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-01-30*