Description
The Schneider Electric (Square D) 9038CG31 is a closed-tank, alternating-action float switch engineered for dependable liquid level control in hydronic, boiler, and HVAC mechanical systems. Designed to open its contacts on a fall in liquid level, this unit provides precise, automatic switching to protect equipment from low-water conditions and to maintain proper system operation.
Product Overview
The Square D 9038CG series float switches are trusted throughout the HVAC and hydronic industry for their rugged construction and reliable switching action. The 9038CG31 features a closed-tank mounting configuration, making it ideal for pressurized vessels, boilers, and sealed hydronic systems where the float mechanism must operate within an enclosed environment. The alternating (open/fall) action means the switch opens its circuit as the liquid level drops, triggering alarms, pump controls, or safety shutoffs as required by the system design.
Key Features
- Closed-tank mounting configuration for pressurized or sealed vessels
- Alternating action: contacts open on liquid level fall
- Designed for reliable liquid level detection in boiler and hydronic applications
- Durable float mechanism built for long service life
- Compatible with a wide range of HVAC, boiler, and process control systems
- Schneider Electric (Square D) quality construction and engineering
Typical Applications
- Boiler low-water cutoff and level control
- Closed hydronic heating systems
- Pressurized tank liquid level monitoring
- Pump protection and automatic pump control circuits
- Industrial and commercial HVAC mechanical rooms
Brand
Schneider Electric, operating under the legacy Square D brand, is a globally recognized leader in electrical distribution, automation, and control solutions. The 9038CG series float switches reflect decades of innovation in reliable level-sensing technology for commercial and industrial applications.
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