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Dust Proof NPN Proximity Switch High Reliability With Multiple Protection

Categories NPN Proximity Switch
Model Number: LJ12A3-2-Z/BX
MOQ: 100
Price: Negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000only 8day
Place of Origin: China
Brand Name: Zhongde
Certification: CE
Name: NPN Proximity Switch
Feature: Multiple Protection
Size: M12
Voltage: DC
Output Method: NPN
Induction Method: Normally open
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    Dust Proof NPN Proximity Switch High Reliability With Multiple Protection

    Dust Proof NPN Proximity Switch High Reliability With Multiple Protection


    Working principle
    The switch contains high-frequency oscillation circuit, detection circuit, amplifier circuit, the solution circuit and the output circuit. When the power is supplied to the switch, the oscillator in the high frequency oscillation circuit generates an alternating electromagnetic field on the detection surface of the switch. When there is a metal close to the switch detection surface, the eddy current inside the metal absorbs the energy of the alternating electromagnetic field in the oscillator. The oscillator is weakened or stopped. Oscillator energy changes in the two states, the detection circuit is converted to a level signal, through the amplifier circuit to amplify the level signal after the trigger circuit to trigger the output transistor transistor circuit to produce a switch signal. Thereby detecting the presence or absence of the metal. To achieve the purpose of metal detection.


    Features

    Reverse power protection, short circuit protection, can be directly connected to the PLC

    Economical and simple operation

    Long life and high reliability, strong environmental resistance

    Red LED reality can detect sensor working status

    IP67 protection structure (IEC)

    Three-wire NPN normally open DC


    Parameter

    Lag distanceLess than 10% of the detection distance
    Detecting objectsMagnetic metal (detection distance is reduced when non-magnetic metal)
    voltageDC : DC 12~24 (6~36V) pulse (p-p) below 10%
    AC : AC 110~220V (36~250V) 50/60Hz
    Current consumptionN.P : ≤13mA
    D : ≤0.8mA
    A : ≤1.7mA
    Control outputN.P : ≤300mA
    D : ≤200mA
    A : ≤400mA
    Loop protectionN.P.D : reverse connection protection, surge absorption, load short circuit protection
    A : surge absorption
    Ambient temperature-30~+65°C (no icing, no condensation)
    Ambient humidity-35~95%RH
    Insulation resistance50MΩ or more (DC500 megohmmeter) (between charging part and housing)
    Withstand voltageAC 1000V 50/60HZ 1min (between charging part and Housing)
    Temperature effect-30~+65°C: detection distance error ±15% at +23°C
    -25~+60°C: detection distance error ±10% at +23°C
    Voltage effect6-36V (90-250V) : ±15% of detection distance error
    10-30V (220V) : ±10% of detection distance error
    Protection levelIP67 (IEC)
    MaterialHousing: ABS
    Detection surface: ABS

    Note:Please read the "Precautions" of the product manual before use.

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