Heavy-Duty Industrial Side-Mounted Level Switch

Heavy-Duty Industrial Side-Mounted Level Switch


The M4190 family of side-mounted liquid level switches features a robust design for heavy industrial tank applications. Their corrosion-resistant construction, in conjunction with standard SPDT switch operation, provides for simplified wiring of control circuits. The M4190's standard end thread is a 1/2" NPT stub for easy connection to common junction boxes or conduit. The base model M4190 features 304 stainless steel construction, including the float. The M4190-BU offers a Buna-N float for hydrocarbon liquids, and the M4190-HP offers a float rated for 900 PSI operational performance.

  • Easy mounting to vessel side wall
  • Easy control circuit wiring
  • Rugged design
  • Suitable for high-contamination applications with field cleaning of float by user
  • High reliability

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