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    High Temperature Limit Switch with Adjustable Rod Lever

    5 out of 5 based on 1 reviews | Write a review
    $148.15
    High temperature limit switch has a rod lever with adjustable length from 25mm to 140mm. The internal contact switches 1NO + 1NC are casting from high temperature resistant material. So limit switch can be used in the 350℃ (622℉) high temperature occasion, such as coal mine machinery, vertical pit furnace, etc. Adjustable rod lever limit switch has automatic reset function. The default rated current and voltage is 5A/220VAC, other AC/DC voltage can be designed according to customer's requirement.
    SKU: ATO-HTLS-ARDL
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    High temperature limit switch has rod lever with adjustable length of 25-140mm, contact type 1NO + 1NC and rated current/voltage 5A/220VAC.

    Specification

    Model ATO-HTLS-XWKI
    Weight 258g
    Adjustable length of rod lever 25-140mm
    Rated voltage 220VAC (Customizable rated voltage is shown in the reference table below.)
    Rated current 5A (Customizable rated current is shown in the reference table below.)
    Contact type 1NO+1NC (NC pin: 1 & 2, NO pin: 3 & 4)
    Operating speed 1mm/s~2m/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: 2000VAC, 50/60Hz lasts 1 minute
    Between terminal and no-load current metal: 2200VAC, 50/60Hz lasts 1 minute
    Vibration Misoperation endurance: 10~55Hz, 1.5mm, double-amplitude
    Impact Mechanical endurance: >1000m/s2 (>100G)
    Misoperation endurance: >300m/s2 (>30G)
    Shell material Cast aluminum alloy
    Temperature -10~+350℃ (14~622℉)
    Humidity <95%RH
    Working life Machinery: >15million times
    Electric: >0.5million times
    Protection class IP66


    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 10 3 1.5 10 5 2
    250VAC 5 2 1 5 3 1.0
    480VAC 3 1.5 0.8 3 1.5 0.8
    600VAC 1 1 0.5 1.5 1 0.5
    8VDC 10 6 3 10 6
    14VDC 10 6 3 10 6
    30VDC 6 4 3 6 4
    125VDC 0.8 0.2 0.2 0.8 0.2
    250VDC 0.4 0.1 0.1 0.4 0.1

    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)

    High temperature limit switch with adjustable rod lever dimension

    Tips: 4 considerations of limit switches

    1. Please do not connect a power source of different polarity or different type to the contact of one limit switch.
    2. Please do not apply voltage between contacts during circuit design (may cause contact melting).
    3. Even in the event of an abnormal situation, there should be no short circuit (may lead to fusing of conductive parts).
    4. Limit switches used in electronic circuits (low voltage and low current).
      1. If the vibration and tremor of the contacts cause problems, please take the following measures.
        1. Insert the integrating circuit.
        2. The pulse caused by vibration and chatter shall be controlled below the disturbance tolerance of the load.
      2. In the fields with particularly high contact reliability requirements, the original silver contacts are not suitable. The performance of limit switches for small voltages and currents with gold contacts is better.
      3. In consideration of safety, Use b for the limit switch for emergency stop.
        To prevent damage to the limit switch caused by a short circuit, connect a momentary fuse with a breaking current value equivalent to 1.5 to 2 times the rated current in series with the switch. When using EN certified ratings, use a 10A fuse gT or gG suitable for IEC60269.
    Existing reviews of High Temperature Limit Switch with Adjustable Rod Lever
    Awesome limit switch!
    I orders these limit switches to replace my old ones. These are pretty standard switches.
    These work great and they are very well made, great quality ! These fit perfectly my equipment.
    From: Stephen | Date: 12/04/2022
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