Description
Product Overview
The SQUARE D 30-50 FSG2 pressure switch is engineered specifically for water well applications where reliability and precision are paramount. Built with a robust plug‑in connector and stainless steel contact material, this switch offers a seamless on/off function that activates when pump pressure reaches the preset 30‑50 psi range. Its compact black housing measures 7.68 x 4.65 x 4.09 inches and weighs just 12.6 ounces, making it easy to install in confined well casings. The normally open contact type ensures the pump only runs when needed, conserving energy and extending the life of your submersible pump. Designed for both AC and DC power sources, the switch integrates effortlessly with existing pump wiring, thanks to its screw terminals and straightforward wiring diagram.
![[Product front view showing all components]](https://www.retrocollect.store/wp-content/uploads/2026/07/fef9817df4554930bf0aa2aa6740fd7e.jpg)
Usage
This pressure switch is ideal for residential and light commercial water well systems, especially those that rely on submersible pumps operating between 30 and 50 psi. Whether you are installing a new well pump or replacing an aging switch, the FSG2 model fits seamlessly into standard well housings. It is also compatible with a range of Square D submersible pump models, providing a versatile solution for homeowners, contractors, and maintenance technicians. The plug‑in connection simplifies field installation, allowing you to secure the switch without the need for specialized tools. Use it in environments where consistent water pressure is critical, such as irrigation systems, domestic water supply, and small-scale industrial applications.
Why Choose Us
Choosing the SQUARE D 30-50 FSG2 means selecting a product backed by decades of engineering expertise and a reputation for durability. The stainless steel contacts resist corrosion even in harsh well water conditions, ensuring long‑term performance. Square D’s rigorous quality control processes guarantee that each unit meets exacting standards, reducing the risk of premature failure. Additionally, the switch is supported by a responsive customer service team that can assist with installation guidance, troubleshooting, and warranty claims. With a proven track record reflected in a 4.5‑star rating from over 250 verified buyers, this switch offers peace of mind and reliable operation for years to come.
Key Features
- Stainless steel contacts provide corrosion‑resistant reliability for long service life.
- Plug‑in connector simplifies installation and reduces wiring errors.
- Normally open contact type conserves energy by running the pump only when pressure reaches 30‑50 psi.
- Compact black housing fits easily into standard well casings without sacrificing performance.
- Supported by Square D’s dedicated customer service for quick assistance and warranty support.
FAQ
What pressure range does this switch operate within?
The switch is calibrated to activate the pump when pressure reaches between 30 and 50 psi, providing precise control for typical well applications.
Can this switch be used with both AC and DC power sources?
Yes, the FSG2 model is designed to work with either AC or DC power, offering flexibility for various pump configurations.
Is the plug‑in connector compatible with existing wiring?
The plug‑in connector is engineered to match standard Square D pump wiring, allowing a straightforward replacement without rewiring the entire system.
How does the normally open contact type benefit my system?
A normally open contact means the circuit remains open until the preset pressure is reached, preventing the pump from running unnecessarily and saving energy.
What warranty does Square D provide for this product?
Square D offers a limited warranty that covers manufacturing defects for a specified period, and their customer support team can help you with any warranty claims.




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