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    High Temperature Limit Switch with Top Plunger

    $148.15
    There are two types of high temperature top plunger limit switch, one has a sealed top ball plunger and the other has a sealed top plunger without ball. The top plunger can reset automatically. High temperature limit switch can be used in the environment temperature 350℃ (622℉). The rated current and voltage are customizable, such as 10A/120VAC, 2A/48VDC, etc. The default value is 5A/220VAC. It also has fully enclosed 1NO + 1NC contact switches, which is casting from high temperature resistant material.
    SKU: ATO-HTLS-TP
    *
    Free Shipping Worldwide
    Delivery date: 10-15days

    High temperature limit switch has two types of top plunger, with contact type 1NO + 1NC and rated current/voltage 5A/220VAC.

    Specification:

    Model ATO-HTLS-XW5K ATO-HTLS-XW6K
    Weight 258g
    Shape of top plunger * Top plunger without ball Top ball plunger
    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)
    Shall 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 top plunger dimension
    Note: In the diagram, OP means operation 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. PT means pretravel, the distance the drive rod moves from the free position to the operation position.
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