Description
The Schneider Electric (Square D) 9038DG7 is a heavy-duty float switch equipped with a built-in mechanical alternator, engineered for dependable liquid level detection and automatic pump alternation in commercial and industrial HVAC, hydronic, and building automation applications.
Product Overview
Designed under the trusted Square D brand, the 9038DG7 float switch monitors liquid levels and automatically alternates between two pumps or loads via its integrated mechanical alternator. This alternating action distributes run-time evenly across connected equipment, extending service life and reducing maintenance demands in sump, condensate, and hydronic system applications.
Key Features
- Built-in mechanical alternator for automatic pump/load alternation
- Reliable float-actuated liquid level sensing
- Engineered for commercial and industrial HVAC and hydronic systems
- Durable Square D construction for long service life
- Helps equalize run-time between paired pumps or loads
- Suitable for sump, condensate management, and hydronic applications
Why Choose the Square D 9038DG7?
The mechanical alternator eliminates the need for a separate alternating relay, simplifying panel wiring and reducing installed cost. The float switch’s proven Square D design delivers consistent, repeatable level control you can count on in demanding environments.
Applications
- Duplex sump pump systems
- Condensate management and removal
- Hydronic heating and cooling systems
- Commercial building automation and controls
- Industrial liquid level control panels







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