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China LX36-8 Limit Switch for Cranes - Reliable Suppliers and Factory for 50HZ/60HZ Control Circuits

Introducing the LX36-8 series limit switches, designed specifically for cranes and essential for effective control circuits. These limit switches are ideal for AC 50HZ and 60HZ applications, supporting rated operating voltages of up to 380V, as well as DC applications with voltages up to 220V. Manufacturers and suppliers in China trust this product to ensure precise crane operations by limiting motion and facilitating rotary angle control. Our factory guarantees high-quality standards to meet the demands of the industrial sector. Choose our LX36-8 limit switches for reliable performance in your crane control systems

    Advantage

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

    Type Meaning

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    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.

    Basic Parameters

    Rated Control Capacity Rated Operating Voltage (V) Rated Operating Current (A) Conventional Thermal Current (A) Rated Operating Frequency (Times/hour) Rated Insulation Voltage (V)
    300VA AC 380 0.42 3 300 400
    220 0.85
    10W DC 220 0.15
    110 0.07

    Making and Breaking

    The making and breaking capabilities of the limit switch are shown in Table 2.

    Use Category Rated Operating Current On Condition Breaking Conditions
    I (A) U (V) COSφ Ic (A) Ur (V) COSφ or T0.95 (ms)
    AC-15 380V 0.42A 0.8 418 0.7 8.8 418 0.7
    DC-13 220V 10W 0.15A 0.05 242 300ms 0.05 242 300ms

    Electrical Life

    The electrical life of the limit switch is 100,000 flashes of load operation without the need for repairable replacement parts under the usage conditions listed in Table 3.

    Use Category On Condition Breaking Conditions
    I (A) U (V) COSφ Ic (A) Ur (V) COSφ or T0.95 (ms)
    AC-15 0.8 380 0.7 8.8 380 0.4
    DC-13 0.045 220 300ms 0.045 220 300ms
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    Mechanical Life

    The mechanical life of the limit switch is 1 million times.

    Speed Limit

    The maximum speed of the input shaft end of the limit switch is 150r/min.

    Grade & Contact Configuration

    Contact numbers: The contact numbers of the control loop contacts are shown in the figure below.

    Spindle Input End
    picture-1-4
    Limit switch contact contact symbol

    Construction Introduction

    The limit switch is composed of a main shaft passing through a gear reduction system, a camshaft with an adjustable cam plate combination, and a control system composed of micro switches symmetrically arranged on both sides. The three components are integrated and installed in a housing with a protection level of IP54, its appearance and installation dimensions are shown in the figure.

    picture-2-2
    LX36-8 series limit switch outline drawing

    Adjustment Cam Plate Angle

    Cam plate Angle: There are two types of cam plates and eight types, that is, the first type includes seven types including la, Id...Ig. There is only one type of Category 1l. Its working angle and corresponding rotation number of the limit switch spindle are shown in Table 4.

    picture-3
    Model Speed When micro switch contacts closed Reference Dimensions
    Cam plate type Cam plate Maximum working angle (°) Limit switches Corresponding spindle revolutions
    LX36-88 80:1 I (Ia) 338.6 75.2 A
    I (Ib) 336.6 74.8 0
    I (Ic) 334.6 74.3 1.5
    I (Id) 332.6 73.9 2.4
    I (Ie) 330.6 73.4 3.2
    I (If) 328.6 73 4.0
    I (Ig) 326.6 72.5 4.8
    II 175 38.8 5.7
    LX36-84 40:1 I (Ia) 338.6 37.6 -
    I (Ib) 336.6 37.4 0
    I (Ic) 334.6 37.1 1.5
    I (Id) 332.6 36.9 2.4
    I (Ie) 330.6 36.7 3.2
    I (If) 328.6 36.5 4.0
    I (Ig) 326.6 36.2 4.8
    II 175 194 5.7
    LX36-82 20:1 I (Ia) 338.6 18.8 -
    I (Ib) 336.6 18.7 0
    I (Ic) 334.6 18.5 1.5
    I (Id) 332.6 18.4 2.4
    I (Ie) 330.6 18.3 3.2
    I (If) 328.6 18.2 4.0
    I (Ig) 326.6 18.1 4.8
    II 175 9.7 5.7

    Frequently Asked Questions (FAQ)

    Are these limit switches customizable?
    Yes, all products of the company can be fully customized for production according to specific user usage scenarios and specifications.
    What are the available speed ratios for the rotary limit switch?
    The LX36-8 series limit switches offer three standard speed ratios: 80:1, 40:1, and 20:1.
    What is the protection rating and structure of the housing?
    The limit switch consists of a main shaft, gear reduction system, camshaft with adjustable cam plates, and micro switches symmetrically arranged on both sides, all integrated inside a housing with an IP54 protection level.
    What is the mechanical and electrical life of the limit switch?
    The mechanical life is 1 million operations, and the electrical life is 100,000 load cycles under the specified test conditions without requiring repairable replacement parts.
    What are the limit switch speed and temperature limitations?
    The maximum speed of the input shaft end is 150r/min, and the ambient operating medium temperature should remain between -25℃ and +75℃.

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