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Overload Relays(Motor capacity 400 to 440-VAC class:160/250)

A thermal relay is a type of relay that protects a motor from overcurrent. It is called "thermal relay" because it operates after detecting a rise in the temperature of the motor coil. In some designs, the terminals are equipped with a cover to improve safety by protecting against electric shocks during maintenance or inspection. Most thermal relays are composed of a heater element and bi-metal section. When current flows through the heater element, the bi-metal section bends and the contacts open. If the relay is activated, eliminate the cause before restarting operation. Types include an automatic type that resets automatically after activation, and a manual type where the user resets the relay by pressing a button after the bi-metal has cooled. Because a thermal relay itself does not have a shut-off function, it is usually used in combination with an electromagnetic contactor.
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Brand
Product Series
Days to Ship
Operating Method
Motor capacity 400 to 440-VAC class(kW/A)
Motor Capacity VAC 200–220 Class(kW/A)
Coil rated voltage(V)
Number of Poles
Auxiliary Contact
Representative Standard
Dimension length(mm)
Dimension width(mm)
Dimension thickness(mm)

    Overload Relays TH-N220HZ/N400HZ Series

      Overload Relays TH-N Series

      Brand

      MITSUBISHI

      MITSUBISHI

      Product Series

      Overload Relays TH-N220HZ/N400HZ Series

      Overload Relays TH-N Series

      Days to Ship Quote 5 Day(s)
      Operating Method--
      Motor capacity 400 to 440-VAC class(kW/A)160/250160/250
      Motor Capacity VAC 200–220 Class(kW/A)75/25075/250
      Coil rated voltage(V)--
      Number of Poles33
      Auxiliary Contact1a1b1a1b
      Representative Standard--
      Dimension length(mm)144144
      Dimension width(mm)173160
      Dimension thickness(mm)166.5193

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