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M02S-DRA-W31S1A-02

Category:

Waterproof Micro Switch

Product Inquiry
  • Product Description
  • Parameter
  • Size
  • Certification

  • 1 General Characteristics

    1.1 Application

    This specification is applied to the micro switch (M08 water‑proof series ) for general applications.

    1.2 Temperature Range

    Operating Temperature Range: -40℃ to +85℃
    Preservative Temperature Range: -40℃ to +85℃

    1.3 Operating Relative Humidity

    Operating Relative Humidity: ≤ 85%RH

    1.4 Test Conditions

    Unless otherwise specified, the atmospheric conditions for making measurements and tests are as follows:

    • Ambient Temperature: 5~35 ℃
    • Relative Humidity: 45~85%
    • Air Pressure: 86~106Kpa (860~1060mbar)

    2. Appearance, Structure and Dimensions

    2.1 Appearance

    The switch shall have good finishing, and no rust, crack or plating defects.

    2.2 Structure & Dimensions

    Refer to individual product drawing.

    2.3 Markings

    Refer to individual product drawing.

    3. Ratings

    Certification Rating Life Cycles File No.
    ENEC 61058 AC125V/250V 0.1A 100,000  
    DC12V 2A; DC24V 1A; DC42V 0.5A 100,000  

    4. Electrical Characteristics

    4.1 Contact Resistance

    Criteria: 100mΩ max.

    Test Method: Measured by a voltage drop method at 1A Max, 5VDC. Any equipment with error not more than 5% can be used. Resistance after test is the average of 5 successive measurements.(To measure after operated 5 to 10 times)

    4.2 Insulation Resistance

    Criteria: 100 MΩ min.

    Test Method: 100VDC voltage is applied between each pair of terminals and between the terminal and the metal frame for 60±5S.

    4.3 Dielectric Voltage

    Criteria: No dielectric breakdown shall occur.

    Test Method:
    Between non‑connected terminals(before test): 1000V 50‑60Hz 10mA 60S
    Between non‑connected terminals(after test): 750V 50‑60Hz 10mA 60S
    Between terminals and the plastic or metal body(before test): 1500V 50‑60Hz 10mA 60S
    Between terminals and the plastic or metal body(after test): 1125V 50‑60Hz 10mA 60S

    5. Mechanical Characteristics

    Item Criteria Test Method
    5.1 Operating Force See product drawing Apply a tension load on the midpoint of the actuator (or 1mm to the tip of the shaft) to supply a pressure vertically from its free position to operating position.
    5.2 Releasing Force See product drawing A static load shall be reduced to the tip of actuator in operating direction to change component from operating position to release position.
    5.3 Free Position See product drawing The position where the actuator lead the Displacements when its out of force or the force is not enough to drive the actuator.
    5.4 Operating Position See product drawing The distance from the end of operating component to the center of mount hole when switch is being transformed.
    5.5 Pre Travels See product drawing The distance vertically through, which the midpoint of the actuator (or tip of the shaft) trip move from its free position to operating position.
    5.6 Differential Travel See product drawing The distance from operating position to release position.
    5.7 Over Travel See product drawing The displacements of actuator form operation to total travel position.
    5.8 Terminal Strength Shall be free from terminal looseness, damage and insulator breakage. The electrical performance requirements specified in section 4.3 shall be satisfied. A static load of 5N shall be applied to the tip of terminal in a desired direction for 10 ± 1s. The test shall be done once per terminal.

     

    6. Durability characteristics

    6.1 Mechanical Life

    Criteria: After test, Contact resistance: 500mΩ max. Insulation resistance:50MΩ min. The electrical performance requirements specified in item 4.3 shall be satisfied. The switch shall be free from abnormalities in appearance & construction. Operating force: within ±30% initialization value.

    Test Method: 1,000,000 cycles of operation shall be performed continuously at a rate of 60 cycles per minute without load.

    6.2 Operating Life with Load

    Criteria: After test, Insulation resistance:10MΩ min. The electrical performance requirements specified in item 4.3 shall be satisfied. The switch shall be free from abnormalities in appearance & construction. Operating force: within ±30% initialization value.

    Test Method: 100,000 cycles of operation shall be performed continuously at a rate of 15~20 cycles per minute with load as follow: Refer to individual product drawing (Resistive Load)

    7. Weather Proof Characteristics

    7.1 Cold Proof

    Criteria: After test, Contact resistance: 500mΩ Max. Insulation resistance:50MΩ Min.

    Test Method: After testing at –40 ± 2°C for 96 hours, the switch shall be allowed to stand under normal temperature and humidity conditions for 1 hour, and measurement shall be made within 1 hour after that. Water drops shall be eliminated.

    7.3 Moisture Resistance

    Criteria: After test, Contact resistance: 500mΩ Max. Insulation resistance:50MΩ Min. The electrical performance requirements specified in item 4.3 shall be satisfied. The switch shall be free from abnormalities in appearance & construction.

    Test Method: After testing at 40± 2°C ,90~95% RH for 96 hours, the switch shall be allowed to stand under normal temperature and humidity conditions for 1 hour, and measurement shall be made within 1 hour after that. Water drops shall be eliminated.

     

    7.4 Temperature Cycling

    Criteria: After test, Contact resistance: 500mΩ Max. Insulation resistance:50MΩ Min. The electrical performance requirements specified in item 4.3 shall be satisfied. The switch shall be free from abnormalities in appearance & construction.

    Test Method: After 4 cycles of following conditions, the switch can stay under normal temperature and humidity conditions for 2 hours, and measurement shall be made within 1 hour after that. Water drops shall be eliminated.

    8. Operating data diagram

    OF: Operating Force
    OP: Operating Position
    TT: Total Travel
    RF: Release Force
    TTP: Total Travel Position
    TF: Total travel Force
    RP: Release Position
    FP: Free Position
    PT: Pre Travel
    OT: Over Travel
    DT: Differential Travel

  • 1.Mechanical Characteristics

     

    Mechanical Characteristics
    ITEM Standards
    OF Operating Force 60gf Max.
    RF Release Force 15gf Min.
    OP Opearting Position 11.2±0.5 mm
    DT Differential Travel 0.5mm Max.
    FP Free Position 12.5mm Max.
    TTP Total Travel Position 9.5 mm Max.

    2.Electrical Characteristics

     

    Electrical Characteristics
    Load 100A 12/VDC 100,000cycles
    Insulation Resistance 100Mohms Min.
    Dielectric Strength(50-60HZ) 500VAC Between terminals
    1500VAC Between terminals and ground


     

    3.Other Characteristics

     

    Other Characteristics
    ITEM Standards
    Mechanical Life 1,000,000 cycles
    Opearting Temperature -40℃~85℃
    Protection class IP67(Except  Wire)

     

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