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HFKLT2 Limit switch factory two-way pull rope switch Limit Switch Manufacturer

Emergency Shutdown Two-way Pull Rope Switch HFKLT2 - Reliable Safety Solution from China Suppliers and Factory

This emergency shutdown machine is essential for belt conveyor systems, ensuring safety during unforeseen accidents. Manufactured by leading suppliers in China, our factory prioritizes quality and reliability. Implementing this machine can greatly reduce risks and enhance operational safety, making it a critical component for any conveyor system. Trust our China-based factory for top-notch safety solutions that protect your operations and workforce
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    Product Detail

    Advantage

    All products of the company can be customized for production according to user usage scenarios.

    Working principle

    When an emergency occurs at the tape transportation site, the steel wire rope tied to the lifting eye of the pull rope switch can be pulled, so that the slider in the machine controls the action of the internal micro switch to initiate a shutdown or alarm signal. Automatic reset handle rear reset.

    Structural features

    This machine adopts aluminum alloy precision die-casting shell, which is high in strength and light in weight. The shell protection level reaches IP55 and can work in harsh environments for a long time; The contact capacity is large and the action is sensitive and reliable.

    Type and meaning

    Type and meaning diagram of HFKLT2 series pull rope switch
    Type and meaning explanation diagram

    Working conditions

    Relative humidity Not more than 85%
    Action angle / Limit angle Action angle: <30° | Limit angle: 60°
    Operating force >3KG
    Number of contacts Normally open 1 Normally closed 1 (NO 1 / NC 1)
    Normally open 2 normally closed 2 (NO 2 / NC 2)

    Parameter

    Implementation standard GB/T14048.5-2017
    Rated insulation voltage (Ui) 400V
    Conventional thermal current (Ith) 3A (Use Category: AC-15, DC-13)
    Rated operating voltage/Current AC-15: Ue/Ie AC380V/0.8A
    DC-13: Ue/Ie DC220V/0.15A
    Protection class shell IP55
    Rated short-circuit current limiting fuses RT16-6A (with model tests)

    Ordering Tips

    Normally open 2 and normally closed 2 are two-stage two-way pull rope switches.

    HFKLT2I two-way pull rope switch

    The machine is equipped with a cable with a length of 0.5m when it leaves the factory. The cable pulling method refers to the marked cable color.

    HFKLT2II two-way pull rope switch diagram
    HFKLT2II two-way pull rope switch
    HFKLT2 series two-way pull rope switch

    Product overview

    When emergency power outage can be achieved everywhere in the machine or equipment, a safety rope switch is needed. The emergency stop switch can be actuated by a pre-tensioned pull rope.

    Conditions of use

    Environment Temperature -40℃~60℃
    Relative Humidity Not more than 90%
    Atmospheric pressure 80~120kpa
    Altitude Less than 2000m
    Life Switching 100,000 times
    Insulation Voltage AC1000V Test 1 minute
    Model Contact capacity Contacts Operating force (N) Reset mode Working stroke (mm) Limit travel (mm) Protection class
    NO NC
    LLP2-1
    KLT2-1
    HFKLT2-1     		≤380V
    ≤2A     		1 1 12±2 Automatic reset 15±2 20±2 IP55
    LLP2-2
    KLT2-2
    HFKLT2-2     		1 1 Manual Reset

    Frequently Asked Questions (FAQ)

    Q1: How does the HFKLT2 series pull rope switch work?
    When an emergency occurs at the tape transportation site, the steel wire rope tied to the lifting eye of the switch is pulled. This moves the internal slider, which actuates the micro switch to trigger a shutdown or alarm signal.
    Q2: What materials and protection levels are used in the switch structure?
    The switch features an aluminum alloy precision die-casting shell that is high in strength and light in weight. It has an IP55 protection rating, allowing it to operate reliably in harsh environments for a long time.
    Q3: Can the pull rope switch products be customized?
    Yes, all products of the company can be customized for production to match specific user usage scenarios.
    Q4: What are the environmental working conditions for the switch?
    The switch operates in temperatures from -40℃ to 60℃, relative humidity up to 90%, atmospheric pressure of 80~120kpa, and altitudes less than 2000 meters.
    Q5: What is the difference between HFKLT2-1 and HFKLT2-2 models?
    The HFKLT2-1 model uses an automatic reset mechanism, while the HFKLT2-2 model requires manual reset. Both share similar electrical parameters and an IP55 protection rating.
    Q6: Does the switch come with a pre-installed cable?
    Yes, the machine is equipped with a 0.5-meter long cable when it leaves the factory. Wiring and connection should refer to the marked cable colors.

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