---
product_id: 18096854
title: "SQUARE D 30-50 M4 Low Pressure Cut-Off Switch WATER WELL PUMP TANK PROTECTION 9013FSG2J21M4"
brand: "pumptrol"
price: "$118"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/18096854-square-d-30-50-m4-low-pressure-cut-off-switch
store_origin: NZ
region: New Zealand
---

# AC/DC Power Water Protection Pressure Switch SQUARE D 30-50 M4 Low Pressure Cut-Off Switch WATER WELL PUMP TANK PROTECTION 9013FSG2J21M4

**Brand:** pumptrol
**Price:** $118
**Availability:** ✅ In Stock

## Summary

> 💡 Protect Your Pump, Elevate Your Peace of Mind!

## Quick Answers

- **What is this?** SQUARE D 30-50 M4 Low Pressure Cut-Off Switch WATER WELL PUMP TANK PROTECTION 9013FSG2J21M4 by pumptrol
- **How much does it cost?** $118 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/18096854-square-d-30-50-m4-low-pressure-cut-off-switch)

## Best For

- pumptrol enthusiasts

## Why This Product

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

## Key Features

- • **🌊 Trusted Brand:** SQUARE D by Schneider Electric ensures top-notch reliability.
- • **📏 Compact Design:** Perfectly sized at 3.74" x 3.78" x 4.33" for easy installation.
- • **🛠️ Durable Construction:** Built with high-quality plastic for long-lasting performance.
- • **⚙️ Versatile Power Source:** Compatible with both AC and DC power for flexible use.
- • **🔒 Reliable Pump Protection:** Pre-set to safeguard your pump from running dry.

## Overview

The SQUARE D 30-50 M4 Low Pressure Cut-Off Switch (Model # 9013FSG2J21M4) is an essential device designed to protect your water well pump from running dry. With a pre-set pressure of 30 psi on and 50 psi off, this reliable switch ensures optimal performance and longevity of your pump. Its compact design and durable plastic construction make it a perfect fit for any submersible application, while its compatibility with both AC and DC power sources adds versatility to your setup.

## Description

SQUARE D 30-50 M4 Low Pressure Cut-Off Switch WATER WELL PUMP TANK PROTECTION 9013FSG2J21M4

## Features

- M4 Pressure switch
- MODEL # 9013FSG2J21M4
- SQUARE D BRAND
- PRE-SET ON 30 OFF 50
- DESIGNED TO PROTECT YOUR PUMP SHOULD IT RUN OUT OF WATER

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | PUMPTROL |
| Color | Black |
| Material | Plastic |
| Style | Submersible |
| Product Dimensions | 3.74"L x 3.78"W x 4.33"H |
| Power Source | Ac/dc |
| Item Weight | 13.6 Ounces |
| Manufacturer | Schneider Electric |
| UPC | 755717495266 |
| Item Weight | 13.6 ounces |
| Item model number | 9013FSG2J21M4 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Switch Style | Pressure Switch |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** PUMPTROL
- **Color:** Black
- **Material:** Plastic
- **Style:** Submersible
- **Product Dimensions:** 3.74"L x 3.78"W x 4.33"H
- **Power Source:** Ac/dc
- **Item Weight:** 13.6 Ounces
- **Manufacturer:** Schneider Electric
- **UPC:** 755717495266

## Images

![SQUARE D 30-50 M4 Low Pressure Cut-Off Switch WATER WELL PUMP TANK PROTECTION 9013FSG2J21M4 - Image 1](https://m.media-amazon.com/images/I/31GtgCxSBHL.jpg)

## Questions & Answers

**Q: So in effect this switch will protect my pump on the inlet side if the incoming city water level drops below 10 psi, or if the well runs dry correct?**
A: This switch is junk had to return contacts didn’t line up and lever did not work

**Q: Hello. Is this 110V or 220Volts?**
A: It would work on a 110v or 240v pump as you are only breaking one side of the power

**Q: Is this 220v?**
A: Yes

**Q: will this work on a pressurized system ?**
A: yes have hooked uip to 85 gal pressure tank

## Frequently Bought Together

- SQUARE D 30-50 M4 Low Pressure Cut-Off Switch WATER WELL PUMP TANK PROTECTION 9013FSG2J21M4
- MEASUREMAN 0-100 PSI/kPa Water Pressure Gauge, Glycerin Filled,psi Gauge,for Home Water Pressure Test, 2-1/2’’ Dial, 304 Stainless Steel Case, 1/4’’ NPT Lower Mount
- SENCTRL 100 Psi Lead-Free Glycerin Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Home Potable Water Pump, Air, Well, RV Hose, Pressure Test

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**Shop now:** [https://www.desertcart.nz/products/18096854-square-d-30-50-m4-low-pressure-cut-off-switch](https://www.desertcart.nz/products/18096854-square-d-30-50-m4-low-pressure-cut-off-switch)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-24*