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Level Switchs
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 Switch 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
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 Switch Parameter
Magnetic Float Level Switch Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum Insertion Depth | 5 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 Pressure | PN2.5 ~ PN160 |
| Working Temperature | –40 ~ +150 °C |
| Float Diameter | Ø28 ~ Ø120 mm (depending on pressure and density) |
| Installation Type | Flange: DN40 ~ DN150 |
| Flange Standard | HG/T20592–2009 |
| Thread Connection | G2” |
| Other Installation Methods | Available on request |
| Maximum Switching Frequency | ≤ 1 × 10⁵ operations |
| Switching Error | ±8 ±2 mm |
| Working Power Supply | 220 VAC / 380 VAC |
| Maximum Switch Voltage | ≤ 250 VAC |
| Maximum Switch Current | 5 A |
| Installation Angle Tolerance | ≤ ±25° |
| Wiring Box | M20 × 1.5 female thread |
| Protection Grade | IP65 |
| Explosion-Proof Rating | Exd II CT6 Gb |
Instrava OEM/ODM
Instrava Engineering & Customization Support
At Instrava, our instruments are developed with a strong focus on real industrial applications. Each product is designed to operate as a reliable component within measurement, control, and automation systems, rather than as a standalone device.
Our engineering team supports customers during product selection by evaluating process conditions, operating environments, and system requirements, ensuring stable and long-term performance in actual use.
In addition to standard configurations, Instrava offers flexible customization options, including measurement range, materials, output signals, communication interfaces, and installation methods. All custom solutions are engineered to meet industrial standards and application-specific demands.
We also support OEM projects and system integration, providing consistent product design, technical documentation, and long-term supply to ensure smooth integration and reliable operation throughout the project lifecycle.
Related Product Recommendations
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
By choosing Instrava, you gain a partner with a deep understanding of industrial applications and the expertise to meet today’s operational challenges.
Our role extends beyond products—we support your success through dependable solutions and long-term commitment.
Engineering-Driven Innovation
Innovation at Instrava is guided by real industrial requirements. We continuously refine our technologies to address evolving operational challenges, ensuring practical and reliable performance in demanding environments.
Application-Specific Customization
We provide engineering-level customization to match specific process conditions. From measurement range and materials to output signals and installation options, our solutions are configured to fit real applications.
Proven Quality and Reliability
Quality and reliability are fundamental to every Instrava product. Manufactured under strict quality control and thoroughly tested, our instruments deliver accurate, stable, and long-term performance.
Global Capability with Local Support
Instrava combines global engineering expertise with responsive local support, ensuring our partners benefit from internationally aligned technology and timely regional service.
Comprehensive Product Portfolio
Our broad portfolio of measurement and control instruments enables us to address a wide range of industrial needs, providing integrated solutions from a single, reliable source.
Partner-Oriented Engineering Support
We work closely with our partners from technical consultation to after-sales support. Our focus is on delivering solutions that create lasting value and support long-term operational success.
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