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Thermal Relays

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.
Days to Ship
  • All
  • 8 Days or Less
  • 14 Days or Less
  1. 1
Brand
Product Series
CAD
Days to Ship
Specifications
Motor capacity AC200V to 220V class(kW/A)
Number of electrodes
Auxiliary contact
Representative standards
Dimension length(mm)
Dimension width(mm)
Dimension thickness(mm)

    TH-T series thermal relay

      Thermal Relay for Mini Contact

        Thermal Relay

        Brand

        MITSUBISHI

        MISUMI

        MISUMI

        Product Series

        TH-T series thermal relay

        Thermal Relay for Mini Contact

        Thermal Relay

        CAD
        • 2D
        • 2D
        Days to Ship 14 Days 8 Days or more 8 Days or more
        Specifications
          • UL
          • c-UL
          • CE-Compliant
          • CCC
          • IEC
          • Space-saving
          • CE-Compliant
          • VDE
          • BS
          • IEC
          Motor capacity AC200V to 220V class(kW/A)--0.05/0.52 ~ 15/55
          Number of electrodes-33
          Auxiliary contact1a1b1a1b1a1b
          Representative standards-CECE
          Dimension length(mm)5573.273.2 ~ 80.6
          Dimension width(mm)454545 ~ 55
          Dimension thickness(mm)76.563.763.7 ~ 100

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          1. 1

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