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Motor protection

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Code: #23127

Supplier: Ziehl Abegg AG


  • - Most ZIEHL-ABEGG external rotor motors are fitted with thermostatic switches (TB). Explosion-proof external rotor motors have a temperature sensor (TP). A temperature sensor (TP) / PTC thermistor is also integrated in IEC standard motors.
    - To protect and monitor these motors, ZIEHL-ABEGG supplies suitable products to analyse signals from the thermostatic switch and the temperature sensor.

  • - 3~ motor protection devices to monitor the integrated thermostatic switch (TB) provide full thermal motor protection as well as the option of easily distributing the flow to the fans. Multiple fans can be connected to a 3~ motor protection device, with an integrated overcurrent trigger providing cut-out protection (safety feature).
    - 1~ motor protection devices monitor one connected motor each (TP thermostatic switch). The monitoring device for the temperature sensor (TP) also enables the protection of explosion-proof motors (PTC thermistor release unit).
    ATEX approval
    According to directive 94/9/EC
    1 digital output (relay)
    For activating a motor contactor
    1 digital input
    For external reset