Home > PRODUCTS > PTC Thermistors > PTC thermistor for welding machine overload protection-15P,16P,19P > Welding machine overload protection PTC Thermistor-ptc 15p

  • Functional characteristics
  • PTC 15p used for welding machine overload protection:
    Model Number:15P-101R,15P-390R,15P-470R,15P-500R,15P-121R
    Function:PTC Thermistor Special for over current,overload protection of welding machines.

    Welding machine over and over load protection special PTC 15P technical parameters:

    PTC 15P nominal resistance: conventional 100Ω, also 39Ω,47Ω,50Ω,120Ω

    Allowable deviation: 100Ω± 30%,
    other resistance values ± 25%
    Rated power: 0.5W

    PTC 15P Special used for Welding machine overload protection Appearance and Dimension(In: mm)
    ptc 15P Thermistor:
    finished product diameter 15.5-16 .0 mm, mold size is 16mm.
    Foot distance is 7.5 ± 0.5 mm.
    Foot length: the length of the cut foot is 5mm.

    Brief Introduction:
    MZ31 series ptc 15P thermistor are million- time safety thermistor of automatic circuit protection,recoverability, using repeatedly, and no trigger,
    noise or protective component that could protect and restore from abnormal temperature and current automatically,which called “auto restore fuse”
    and “ten-thousand-time fuse”.Recoverability, using repeatedly, and no trigger, noise or sparks.

    Advantages:
    1.Automatic circuit protection,can resume steadily,
    2.contactless,noiseless and flameless,
    3.reacts fast,
    4. with a better performance of overvoltage protection,
    5.wide operating voltage range,
    6.small steady resistance,
    7.low rated current,
    8.small resistance,small size,
    9.stable for a long time,
    10.no need to be reset supply after overload protection,
    11.wide operating temperature range,
    0 ~ +60°C (V=Vmax),
    -25 ~ +125°C (V=0),
    12.RoHS compliant.

    Welding machine overload protection PTC Thermistor-
    Model Number:15P-101R,15P-390R,15P-470R,15P-500R,15P-121R
    Function:PTC Thermistor Special for over current,overload protection of welding machines.

    Welding machine over and over load protection special PTC thermistor 15P technical parameters:

    15P nominal resistance: conventional 100Ω, also 39Ω,47Ω,50Ω,120Ω

    Allowable deviation: 100Ω± 30%,
    other resistance values ± 25%
    Rated power: 0.5W

    Brief Introduction:
    MZ31 series ptc 15P thermistor are million- time safety thermistor of automatic circuit protection,recoverability, using repeatedly, and no trigger,
    noise or protective component that could protect and restore from abnormal temperature and current automatically,which called “auto restore fuse”
    and “ten-thousand-time fuse”.Recoverability, using repeatedly, and no trigger, noise or sparks.

    Working principle:
    When the circuit is in normal state, the current passing through the PTC thermistor is less than the rated current,and the PTC thermistor is normal and the resistance is small.Does not affect the normal operation of the protected circuit.When the circuit fails and the current greatly exceeds the rated current, the PTC thermistor suddenly heats up and is in a high resistance state.The circuit is disconnected to protect the circuit from damage. When the failure is eliminated, the PTC thermistor automatically returns to a low resistance state and the circuit returns to normal operation.

    Advantages:
    1.Automatic circuit protection,can resume steadily,
    2.contactless,noiseless and flameless,
    3.reacts fast,
    4. with a better performance of overvoltage protection,
    5.wide operating voltage range,
    6.small steady resistance,
    7.low rated current,
    8.small resistance,small size,
    9.stable for a long time,
    10.no need to be reset supply after overload protection,
    11.wide operating temperature range,
    0 ~ +60°C (V=Vmax),
    -25 ~ +125°C (V=0),
    12.RoHS compliant.

     

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