Description
The Schneider Electric (Square D) 9038CG36Z20 is a Close-On-Rise, left-position float switch engineered for dependable liquid level detection and control in HVAC, hydronic, boiler, and industrial fluid management applications. Part of the trusted Square D 9038CG series, this float switch is designed to close its electrical contacts as the liquid level rises, providing automatic system activation or alarm signaling when a set liquid level is reached.
With its left-position float arm configuration, the 9038CG36Z20 is suited for installations where the float must operate on the left side of the switch body, offering installation flexibility across a wide range of tank, sump, and reservoir applications. Square D float switches are recognized throughout the industry for their rugged construction, long service life, and consistent switching performance.
Key Features
- Close-On-Rise switching action — contacts close as liquid level rises
- Left-position float arm configuration for versatile mounting options
- Part of the Square D 9038CG series — a proven industrial-grade float switch line
- Designed for liquid level control in tanks, sumps, reservoirs, and hydronic systems
- Rugged construction for reliable, long-term performance in demanding environments
- Suitable for HVAC, boiler, hydronic, and general industrial fluid control applications
Applications
- Boiler and hydronic system water level monitoring
- Sump and condensate pump control
- Tank level detection and automatic fill/drain control
- Industrial process fluid management
- High-water alarm and safety shutoff circuits
Product Details
- Brand: Schneider Electric (Square D)
- SKU / Part Number: 9038CG36Z20
- Series: 9038CG
- Switch Action: Close-On-Rise
- Float Position: Left







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