Square D 9038AG1S6 575V Mechanical Alternator Float Switch

The Square D by Schneider Electric 9038AG1S6 is a heavy-duty mechanical alternator float switch designed for automatic liquid level control in closed tank applications. This 575V float switch is engineered to control and alternate pump operation on successive cycles of float travel, making it ideal for duplex pump systems with a common tank.

Key Features:

• Voltage rating: 575V AC for industrial power systems
• Two-pole DPST double break snap action contacts for reliable switching
• Stainless steel float and rod construction for durability
• 2.5-inch screw-in tank connection with external position indicator
• Operating temperature range: -22°F to 250°F ambient
• Maximum tank pressure: 50 PSI
• Suitable for fresh water, sea water, hydraulic oil, and corrosive fluids (specific gravity 0.85 or higher)

This mechanical alternator provides a simple, positive means of mechanically alternating two pumps or motors, and includes overflow protection if liquid levels continue to rise. The switch comes complete with screw-in connector, stainless steel float, and rod assembly. UL Listed, CSA Certified, and CE compliant for industrial applications including boiler feed systems, condensate pumps, and wastewater management.