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ESMFS Hersman Threaded Stainless Steel Finger Float Level Switch for industrial fields

A float switch is an automatic control device that uses the principle of buoyancy to detect and control liquid levels. It is made of stainless steel, demonstrating excellent corrosion resistance and high-temperature performance. It is widely used in industrial fields, such as liquid level control systems in the petroleum, chemical, power, and steel industries; it can also be used in agricultural irrigation systems to monitor the levels of ponds or water tanks; moreover, it can be applied in household water tanks and sinks to achieve automatic water supply control.

    Working Principle

    The stainless steel float switch mainly consists of a float, a float rod, a switch assembly, and a housing. The float is usually made of 316L stainless steel, hollow inside, and can float on the liquid surface. The float rod connects the float to the switch assembly. When the liquid level changes, the float drives the float rod to move up and down, causing the switch assembly to close or open, thereby controlling the circuit connection or disconnection.

    Product Features

    1.Strong Corrosion Resistance: Made of stainless steel materials such as SUS304 and SUS316, suitable for various corrosive liquid environments, such as chemical raw materials, acid and alkaline solutions, etc.
    2.Good High-Temperature Performance: The all-stainless-steel float switch can withstand temperatures up to 200°C, meeting the requirements for liquid level control in high-temperature liquids.
    3.Simple and Reliable Structure: The structure is simple and easy to assemble, resistant to failure, with strong anti-interference capability and stable operation.
    4. Multi-Point Control: A single device can be set with 1 to 8 switch points to achieve multi-point liquid level control, with each control point customizable according to customer needs.

    Product detail

    ESMFS-HS-A or B-(1)

    Technical Specifications

    TYPES

    Low pressure

    high pressure

    Maximum power

    10W

    50W

    Maximum switching voltage

    100VDC

    220VDC

    Maximum switching current

    0.5A

    1.5A

    Minimum collapse voltage

    220VDC

    300VDC

    Maximum load current

    1A

    3A

    Maximum contact resistance

    100mΩ

    100mΩ

    temperature range

    -20~+80

    -20~+80

    Float material

    SUS304/316

    SUS304/316

    Card spring material

    SUS304/316

    SUS304/316

    Wiring Definition

    This is a paragraph

    1. Black, White - Power
    2. Green - Ground
    3. Yellow - Common (COM), Blue - Normally Closed (NC), Red - Normally Open (NO)

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