PTC Thermistor Overload Protection

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Wuxi Queen Technology Co., Ltd

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PTC thermistor
Resistance Strain Gauge Pressure Sensors
Mechanical Structure Type
Ceramic Pressure Transmitter
Analog Type
Normal Wirewound
Metal
ZG
Three-Wire
Gas
IP67
RoHS
Customized
2~5000KΩ
-40~300ºC
≤6.5s
≥2.5MW/ºC
CUSTOM
Standard, or Customized
CUSTOM
China
Product Description

Product Description

PTC motor protection thermistor is in accordance with the international standards DIN-44081 and DIN-44082 based on professional production for the motor and other parts of the overtemperature protection, the PTC thermistor placed in the motor three-phase winding coil, when the temperature reaches the insulation grade temperature, the PTC resistance value increases. The high resistance state signal is transmitted to the control protector, and the protector disconnects the motor line according to the signal to protect the motor. 

Our factory produces a range of beaded high insulation products designed according to DIN standards to serialize temperature protection. 

Features of this series of products: small chip size, fast reaction speed, long-term use of stable performance, high reliability; 

Especially when the motor is out of phase, it can react quickly to protect the motor.

FEATURES:

  • PTC thermistor pellet with insulating encapsulation.
  • Low resistance type, steep R/T curve.
  • Conform with DIN 44081 for 1 PTC single sensor, DIN 44082 for 3 PTC in series triplet sensors..
  • No need to reset supply after over-temperature switch..
  • PTFE-insulated strand wires.
  • Available in temperature ranges from 60ºC to +180ºC.
  • RoHS-compatible.

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