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    Waterproof Limit Switch, 1NO 1NC, 3A/250VAC, 5A/125VAC

    $89.95
    Waterproof limit switch adopts fully sealed structure, can be used in the industrial occasions required for oil-resistant, waterproof and dustproof. There are different types of actuator for waterproof limit switch, such as roller plunger, roller lever, top plunger and coil spring. It contains two contact switches 1NO+ 1NC and can be used in the environment temperature -25~+70℃ (-13~+158℉). Waterproof limit switches apply to AC-15, 5A/250VAC, 3A/125VAC. Other rated current/voltage is customizable, such as 0.4A/125VDC, 0.2A/250VDC, etc.
    SKU: ATO-WPLS
    *
    Free Shipping Worldwide
    Delivery date: 10-30 days

    Waterproof limit switch with contact type 1NO + 1NC has different types of actuator, such as roller plunger, roller lever, top plunger and coil spring. It applies to AC-15, 5A/250VAC, 3A/125VAC. Other rated current/voltage can be customizable.

    Specification:

    SKU ATO-WPLS
    Weight 360~540g
    Rated current/voltage AC-15, 3A/250VAC, 5A/125VAC (Customizable rated voltage is shown in the reference table below.)
    Contact type 1NO+1NC
    Wiring Black: (+) COM; Blue: NO; Red: NC; Green: E
    Cable length 3m
    Operating speed 1mm/s~1m/s
    Operating frequency Machinery: 120 times/minute
    Electric: 30 times/minute
    Contact resistance <15MΩ, initial stage
    Insulation resistance >100MΩ (<500VDC)
    Withstand voltage Between no-connection terminals: 1000VAC, 50/60Hz lasts 1 minute
    Between the terminal and the contact: 1500VAC, 50/60Hz lasts 1 minute
    Between terminal and no-load current metal: 1500VAC, 50/60Hz lasts 1 minute
    Vibration Misoperation endurance: 10~55Hz, 1.5mm, double-amplitude
    Impact Mechanical endurance: >1000m/s2 (>100G)
    Misoperation endurance: >500m/s2 (>30G)
    Shell material Cast aluminum alloy
    Temperature -25~+70℃ (-13~+158℉)
    Humidity <95%RH
    Working life Machinery: >1million times
    Electric: >0.2million times
    Protection class IP67

    Operating characteristic:

    Model ATO-WPLS-4203 ATO-WPLS-4204 ATO-WPLS-4213 ATO-WPLS-4214
    Actuator Roller plunger Roller plunger Roller plunger Roller plunger
    OF Max. 1200gf (11.77N) 1200gf (11.77N) 1800gf (17.56N) 1800gf (17.56N)
    RF Min. 450gf (4.41N) 450gf (4.41N) 450gf (4.41N) 450gf (4.41N)
    PT Max. 1.8mm 1.8mm 1.8mm 1.8mm
    OT Min. 3mm 3mm 3mm 3mm
    MD Max. 0.2mm 0.2mm 0.2mm 0.2mm
    OP 28.5±1mm 28.5±1mm 34.3±1mm 34.3±1mm
    Model ATO-WPLS-4205 ATO-WPLS-4209 ATO-WPLS-4212 ATO-WPLS-4270
    Actuator Roller lever Adjustable roller lever Top plunger Coil spring
    OF Max. 580gf (5.69N) 580gf (5.69N) 1800gf (17.56N) 150gf (1.47N)
    RF Min. 150gf (1.47N) 150gf (1.47N) 450gf (4.41N) -
    PT Max. 25° 25° 1.8mm 15°
    OT Min. 40° 40° 3mm -
    MD Max. 0.2mm -
    OP - - 24.9±1mm -

    Explanation of parameters:
    OF means operating force, the force that must be applied to the drive rod in order to move from the free position to the operation position.
    RF means release force, the force that must be applied to the drive rod in order to move from the total travel position to the return position.
    PT means pretravel, the distance the drive rod moves from the free position to the operation position.
    OT means overtravel, the moving distance or moving angle of the drive rod from the operation position to the full stroke position.
    MD means movement differential, the moving distance or moving angle of the drive rod from the operation position to the return position.
    OP means operating position, at which the external force is applied to the drive lever to make the movable contact just operating from the state of the free position.

    Reference table for customizable rated voltage and rated current:

    Rated voltage Rated current (A)
    Non-inductive load Inductive load
    Resistive load Lamp load Inductive load Motor load
    NC NO NC NO NC NO NC NO
    125VAC 5 (0.1) 1.5 0.7 3 2.5 1.3
    250VAC 3 1 0.5 2 1.5 0.8
    8VDC 5 (0.1) 2 5 4 3
    14VDC 5 (0.1) 2 4 4 3
    30VDC 4 (0.1) 2 3 3 3
    125VDC 0.4 0.05 0.4 0.05
    250VDC 0.2 0.03 0.2 0.03

    Note:

    1. Power factor of inductive load is above 0.4 (AC). The time constant is below 7ms (DC).
    2. The inrush current of lamp load is 10 times that of steady state current, and the inrush current of motor load is 6 times that of steady state current.

    Dimension (unit: mm):
    1. Waterproof limit switch with roller plunger dimensional drawing:
    Waterproof limit switch with roller plunger dimensional drawing
    2. Waterproof limit switch with roller lever/top plunger/coil spring dimensional drawing:
    Waterproof limit switch with roller lever/top plunger/coil spring dimensional drawing

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