Level Switches

Magnetic Float Level Switch for Reliable Level Control

The Instrava magnetic float level switch is designed for reliable point level detection and automatic control of pumps, motors, and other electrical equipment in industrial applications. Using a magnetic float and reed switch structure, it provides stable on/off switching independent of the physical or chemical properties of the medium.

With a simple structure, long service life, and explosion-proof design, this level switch is suitable for harsh operating environments and critical level control tasks.

Key Benefits

  • Stable and reliable switching with long service life

  • Independent of medium conductivity, viscosity, or chemical properties

  • Direct control of pumps and contactors without additional circuits

  • Suitable for high-pressure, high-temperature, and hazardous areas

  • Standard, customized, and OEM configurations available

  Liquid Level Switches Description  

Why Choose This Magnetic Float Level Switch

In many industrial tanks and vessels, continuous level measurement is not required. What matters is reliable level control to protect equipment and ensure safe operation. The Instrava magnetic float level switch is designed to deliver dependable switching performance even in challenging process conditions.

For plant operators, engineers, and system integrators, it offers:

  • Minimal maintenance and simple installation

  • Reliable operation in contaminated or corrosive media

  • Clear upper and lower level control logic

  • Long-term stability with low failure rates

Stainless steel level switch with threaded mounting and probe rod
Stainless steel liquid level switch with flange mounting for industrial applications

Magnetic Float Level Switch Typical Applications & Use Scenarios

This magnetic float level switch is widely used in industrial level control applications:

  • Water & Wastewater Systems
    Automatic pump start/stop control in tanks and sumps.

  • Chemical & Petrochemical Processing
    Level limit protection in pressure vessels and storage tanks.

  • Power & Energy Systems
    Level control in auxiliary tanks and process containers.

  • Industrial Equipment & OEM Systems
    Integration into packaged equipment and control skids.

  Liquid Level Switches Parameter  

Magnetic Float Level Switch Technical Specifications

ParameterSpecification
Maximum Insertion Depth5 m (longer length customizable)
Control Scope (Max)L – 120 mm
Control Scope (Min)50 mm (below 50 mm customizable)
Medium Density≥ 0.65 g/cm³
Working PressurePN2.5 ~ PN160
Working Temperature–40 ~ +150 °C
Float DiameterØ28 ~ Ø120 mm (depending on pressure and density)
Installation TypeFlange: DN40 ~ DN150
Flange StandardHG/T20592–2009
Thread ConnectionG2”
Other Installation MethodsAvailable on request
Maximum Switching Frequency≤ 1 × 10⁵ operations
Switching Error±8 ±2 mm
Working Power Supply220 VAC / 380 VAC
Maximum Switch Voltage≤ 250 VAC
Maximum Switch Current5 A
Installation Angle Tolerance≤ ±25°
Wiring BoxM20 × 1.5 female thread
Protection GradeIP65
Explosion-Proof RatingExd II CT6 Gb

  Instrava OEM/ODM

Reliable Instruments. Solutions That Fit Your Application.

Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.

By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.

symbolizing trust and the beginning of a long-term partnership

This switch is designed for point level control, such as upper or lower limit detection, to control pumps, motors, and other equipment automatically.

No. The magnetic float level switch operates independently of conductivity, viscosity, or chemical properties, making it suitable for a wide range of industrial media.

Yes. The switch supports working pressures up to PN160 and temperatures from –40 to +150 °C, depending on configuration and application requirements.

The switch is available with an explosion-proof design rated Exd II CT6 Gb, making it suitable for use in hazardous industrial areas.

The switch supports flange mounting, threaded connection, and other customized installation methods to match different tank designs and process conditions.

Instrava provides customization and OEM support, including insertion length, control point configuration, float selection, and system integration based on application requirements.

Why Choose Instrava

Built on Consistency, Not Claims

Focused on Industrial Applications

We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.

Strict Product Selection Criteria

Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.

Reliable Supply & Quality Consistency

We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.

Practical, Experience-Based Support

Our recommendations are grounded in application understanding, helping customers avoid common issues and achieve reliable results.

Instrava is built to reduce uncertainty—so every decision you make is clearer, safer, and more reliable.

Industrial measurement scene showing a worker using a precision measuring instrument to measure and mark material on a workbench, demonstrating the practical application of measuring instruments in manufacturing and processing.

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