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Overload 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
  • Same day
  • 5 Day(s) or Less
  • 7 Day(s) or Less
  • 14 Day(s) or Less
  • 16 Day(s) or Less
  • 44 Day(s) or Less
  • 72 Day(s) or Less
  • 88 Day(s) or Less
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Brand
Product Series
CAD
Days to Ship
Specifications
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-T Series

      New SC/NEO SC Series Thermal Relay

        Overload Relays TH-N Series

          2E Thermal Relay

            Overload Relays TH-N Series

              Thermal Relay

                Thermal Relay for Mini Contact

                Brand

                MITSUBISHI

                FUJI ELECTRIC

                MITSUBISHI

                FUJI ELECTRIC

                MITSUBISHI

                MISUMI

                MISUMI

                Product Series

                Overload Relays TH-T Series

                New SC/NEO SC Series Thermal Relay

                Overload Relays TH-N Series

                2E Thermal Relay

                Overload Relays TH-N Series

                Thermal Relay

                Thermal Relay for Mini Contact

                CAD
                • 2D
                • 2D
                Days to Ship Same day or more 7 Day(s) or more 5 Day(s) or more 14 Day(s) or more Quote Same day or more Same day or more
                Specifications
                          • CE-Compliant
                          • VDE
                          • BS
                          • IEC
                          • UL
                          • c-UL
                          • CE-Compliant
                          • CCC
                          • IEC
                          • Space-saving
                          Operating Method---Other---
                          Motor capacity 400 to 440-VAC class(kW/A)0.1 ~ 22-45/82 ~ 200/330-45/82 ~ 200/330--
                          Motor Capacity VAC 200–220 Class(kW/A)0.18 ~ 45-22/82 ~ 110/330-22/82 ~ 110/3300.05/0.52 ~ 15/55-
                          Coil rated voltage(V)690-690----
                          Number of Poles-33-333
                          Auxiliary Contact1a1b1a1b1a1b-1a1b1a1b1a1b
                          Representative StandardCE / CUL / TUV / CCCCE / UL / CUL / TUV / CCC / CSA-UL / CSA-CECE
                          Dimension length(mm)51 ~ 8977 ~ 183144-14473.2 ~ 80.673.2
                          Dimension width(mm)45 ~ 8944 ~ 197114 ~ 16045104 ~ 17345 ~ 5545
                          Dimension thickness(mm)76.5 ~ 8859.5 ~ 182179 ~ 193-166.563.7 ~ 10063.7

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