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China JK16-100 AC Limit Switch - Reliable Suppliers & Factory for Construction Hoists Power Supply Protection

The JK16-100 AC limit switch is an essential component for construction hoists operating on AC power supplies with a frequency of 50Hz to 60Hz. It supports a rated working voltage of up to 380V (or 440V) and handles rated currents up to 100A. This limit switch is designed to ensure safety in construction environments by disconnecting the hoist’s power supply when the limit switch fails, providing terminal limit protection critical for construction hoists, Manufactured in China, our limit switch features a robust shell made from engineering plastic injection molding, ensuring both aesthetic appeal and durability with high waterproof capabilities. The internal contact cam combination is precisely engineered to meet the stringent terminal limit protection requirements of construction elevators. As a trusted supplier and factory, we guarantee the quality and reliability of our products, making them an ideal choice for your construction needs

    Advantage

    All products of the company can be customized for production according to user usage scenarios.
    Rated voltage Electrical life Rated Current Mechanical life Rated insulation voltage Move the lever action Np Control Segmented contacts
    AC380V 5000 times 100A 50000 times 500V 50N 4 groups 60°
    Product parameters and setup diagram

    Working conditions

    1
    Altitude
    The altitude of the installation location does not exceed 2,000 meters.
    2
    Medium Temperature
    The ambient air medium temperature is not higher than +75℃ and not lower than -25℃.
    3
    Relative Humidity
    The average relative air humidity in the wettest month of the installation location is not greater than 90% (the average minimum temperature in the month is not greater than +25°C).
    4
    Pollution Level
    The pollution level of environmental conditions is Level III.
    5
    Installation Category
    The installation category is Category I.
    6
    Types of Limit Switches
    Structural types are divided according to structural types: The structure of this product is rotary type, and the speed ratios are: 80:1, 40:1, and 20:1. Control loops are divided according to control loops: this limit switch can be equipped with up to 8 control loops.

    Frequently Asked Questions

    Q: Can the products be customized for specific scenarios?

    Yes, all products of the company can be customized for production according to user usage scenarios.

    Q: What is the maximum altitude limit for installation?

    The altitude of the installation location should not exceed 2,000 meters.

    Q: What are the ambient temperature requirements for operation?

    The ambient air medium temperature must be maintained between -25℃ and +75℃.

    Q: What are the available speed ratios for the rotary limit switch?

    The structure of this product is rotary type, and the available speed ratios are 80:1, 40:1, and 20:1.

    Q: How many control loops can this limit switch support?

    This limit switch can be equipped with up to 8 control loops depending on your system configuration.

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