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Square D liquid level switch with stainless steel float and polypropylene body

SQUARE D

SQUARE D Liquid Level Switch Open On Rise 10 A 460 V AC

SKU CH-8MS8-5VFE4

A liquid-level switch that opens on rise, rated 10 A at 460 V AC with stainless-steel float and polypropylene body

  • Product typeLight Switch
  • Open-on-rise action prevents tank overflow
  • DPST contacts handle 10 A at 460 V AC
  • Stainless-steel float resists corrosion from -22 °F to 220 °F
  • Polypropylene body rated NEMA 1 for indoor use
  • Compact 4.38 in length fits tight tank openings

Liquid Level Switch for Pump Control

This Square D liquid level switch opens its contacts when the liquid level rises, making it suitable for pump-down applications such as sump or sewage ejection. It carries a 10 A resistive rating at 460 V AC and a DPST-2NO contact form. The unit mounts directly in an open tank and operates across a temperature range from -22 °F to 220 °F.

Stainless Float and Polypropylene Body

A 7-inch stainless steel float with a 7-inch diameter provides corrosion resistance and buoyancy for reliable actuation through 1 1/4 inches of travel. The polypropylene body resists chemical attack from typical wastewater or process fluids. These materials combine to deliver a NEMA 1 enclosure rating for indoor use.

Direct Tank Mounting and High Horsepower Ratings

The switch installs vertically through an open tank wall or bracket using its 4.38-inch overall length and 2.55-inch width profile. It is rated for 2 hp at 120 V single-phase, 3 hp at 240 V single-phase, and 5 hp at 240 V three-phase, allowing direct control of fractional-horsepower motors without a separate contactor.

How it compares

Measured against everything we stock in Electrical Switches & Dimmers, at today’s prices. Recalculated every night.

Price $71.99
Pricier than about 68% of the 791 comparable items (median $39.99).

Specifications

Product
Brand nameSquare D
Product typeLight Switch

Questions about this item

Does the stainless-steel float or polypropylene body need periodic replacement?

The float is stainless steel and the body is polypropylene; both are built for continuous liquid-level duty with no scheduled replacement interval.

Will the 10 A / 460 V AC rating be the first limit reached during constant pumping?

The switch is rated 10 A at 460 V AC and can handle up to 600 A / 600 V peak, so the 10 A continuous rating is the practical ceiling under sustained use.

How much heat does the switch generate when it runs all day in a 220 °F tank?

The device is a passive mechanical switch with no coil or electronics, so it adds negligible heat; the housing is rated for ambient temperatures up to 220 °F.

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