Microprecision Electronics SA: SIMPLE LIQUID LEVEL DETECTION WITH MP300 SWITCH SERIES AND ATTACHED FLOATER ACTUATOR

Tuesday, September 16, 2008

Microprecision Electronics announces the MP300 switch series with an attached floater actuator for easy, cost-effective liquid detection in industrial refrigeration and other process control applications. By adding a floating polypropylene ball mounted on a stainless steel level actuator to a switch from the company’s successful V3 size MP300 switch series Microprecision has designed a simple solution that accurately determines when a specified liquid level is reached. Once the switch is activated, the MP300 switch series can trigger a signal as an input for a PLC or directly switch power of up to 6 A.

The floating polypropylene ball has a 2-inch diameter, a working temperature of up to 210°F—withstanding up to 250°F for short periods of time—and exceptional chemical resistance that makes it well suited for use in a wide variety of liquids, from oil to coolant. MP300 series switches are mounted outside the liquid contents but feature a sealed, IP67 design to resist challenging plant conditions, and they can be wired as a changeover switch or with a simple NO or NC circuit.

The MP300 switch series can operate in temperatures up to 400°F under EN61058 or 200°F under UL 1054, depending on whether a PTFE, PUR, SI or PVC cable is used, and has a power rating of 250 VAC / 6A under EN61058 and UL 1054. Plus, the floating ball and level actuator can be customized to meet specific customer-defined sizes and lengths.

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