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    KM-21

    KM-21 dryer door lock switch

    Company:SELONG ELECTRIC CO.,LT
    Device name:dryer door lock switch
    Model and specification:AC250V 16(4)A
    Manufacturer model: KM-21
    Part code:17438200000741

    Dimension



    Key components

    Item

    Name

    Specification

    Environmental friendly

    1

    Base mount

    POM

    YES

    2

    Spring socket

    POM

    YES

    3

    Axis φ3×50

    3 Stainless steel wire304

    YES

    4

    Shackle

    Enhanced POM-FG2025

    YES

    5

    Spring

    0.9 Stainless steel wire304

    YES

    6

    Micro Switch

    MS1-16D0-A150

    keep off

    YES

    7

    Screw ST2.9×16

    Q235-A

    YES




    6.Electrical Parameters


    6.1Rated Voltage

        250VAC

    6.2 Rated frequency

        50HZ/60HZ

    6.3 Rated current

        16(4)A;   

    6.4Withstand voltage

        Apply AC1500V, 50Hz voltage between the conductive part and the non-conductive metal part for 1 min, while leakage current is at 0.5mA gear. There should be no flashover or breakdown.

    6.5 Insulation resistance

        The insulation resistance of live parts and exposed non-charged metals should not be less than 100MΩ when DC500V is applied.


    7.Mechanical and environment Performance


    7.2  Temperature

        Working temperature: 0℃~+85℃(T85); relative humidity 30%~85%.

        Storage temperature: -15℃~+85℃; relative humidity 30%~95%.

     

    7.3 尺寸 Dimension

        should meet the requirements of relevant drawings.

     

    7.4  Action force

    Open force:50N±7N

    Close force 35N±15N


    7.5 Thermal shock

       Following the provisions of the test Na in GB2423.22

       Place the product at a low temperature of -20°C for 1 hour and a high temperature of 85°C for 1 hour as one cycle. After 5 cycles and recovery in normal atmosphere for 1h, the product can work normally.


    7.6 Constant temperature and humidity performance

    According to the method specified in GB2423.3, preheat the sample to 40°C±2°C , then place it in an environment with a relative humidity of 90% to 95% for 48 hours, then recover it under normal atmospheric pressure for 1 hour. Within 30min, measure the insulation Resistance ≥2MΩ, as well as electrical strength. The product can work normally.

     

    7.7  High temperature

    According to the method specified in GB2423.2 test Bb, place the product at high temperature of 85℃ for 48h, then place it in a normal temperature and humidity environment for 2h. The product can work normally.


    7.8Salt spray

    According to the method specified in GB2423.17, place the working product in the salt spray box for 48h, where the temperature is 35℃±2℃, and the salt concentration is (5±0.1)%. There should not be rusty on metal parts.


    7.9.Micro switch electrical performance

    Refer to QMY-J52.014 "General Technical Specifications for Door Lock Switches" to detect the functional action, insulation resistance, electrical strength, contact resistance, mechanical strength, overload operation, electrical clearance, creepage distance and flame retardancy of the micro switch

     

    7.10Durability

        After open and close for 20,000 times, the product can work normally and the performance meets the requirements.

     

    7.11Hazardous Substances

    Any parts on the product should meet the technical requirements of QMY-J11.001 "Technical Standards for Restricting the Use of Hazardous Substances in Products".

     

    7.12 Micro switch

        AC250V    16(4)A。






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