Square D 9038DG8N5 Mechanically Held Float Switch NEMA 1

The Square D 9038DG8N5 mechanical alternator provides a simple, positive means of mechanically alternating two pumps or motors in duplex systems with a common tank. This float-operated mechanical alternator is designed for use with water, hydraulic oils, and corrosive fluids in industrial closed tanks up to 50 psi.

Key Features:

• NEMA 1 enclosure with flange top mounted design
• 4 normally closed, snap action, DPST-DB (double pole single throw, double break) form YY contacts
• Rated for 5 HP at 575V AC, 3 HP at 115V AC, 1 HP at 460V AC
• Supports horizontal float rod angle for operating in any position
• Furnished with screw clamp terminals and 8 knockouts for 1/2 inch or 3/4 inch conduit
• Electrical durability of 100 cycles and mechanical durability of 300 cycles
• Enclosure made of painted cold-rolled steel

When liquid level rises to the first level, one pump turns on, and both pumps automatically turn on when a peak condition occurs and the liquid level continues to rise. This product is certified by CE, CSA and UL, and meets UL 508 standards. Ideal for pressure controlling or monitoring of water pumps, compressors, agricultural/irrigation water systems, and industrial machinery.