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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
  • 8 Day(s) or Less
  • 14 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

    • On Sale Till 31/03/2024

    New SC/NEO SC Series Thermal Relay

      Thermal Relay for Mini Contact

        Overload Relays TH-N Series

          2E Thermal Relay

            Overload Relays TH-N Series

              Thermal Relay

              Brand

              MITSUBISHI

              FUJI ELECTRIC

              MISUMI

              MITSUBISHI

              FUJI ELECTRIC

              MITSUBISHI

              MISUMI

              Product Series

              Overload Relays TH-T Series

              New SC/NEO SC Series Thermal Relay

              Thermal Relay for Mini Contact

              Overload Relays TH-N Series

              2E Thermal Relay

              Overload Relays TH-N Series

              Thermal Relay

              CAD
              • 2D
              • 2D
              Days to Ship Same day or more 7 Day(s) or more Same day or more 5 Day(s) or more 14 Day(s) or more Quote Same day or more
              Specifications
                  • UL
                  • c-UL
                  • CE-Compliant
                  • CCC
                  • IEC
                  • Space-saving
                        • CE-Compliant
                        • VDE
                        • BS
                        • IEC
                        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-333-33
                        Auxiliary Contact1a1b1a1b1a1b1a1b-1a1b1a1b
                        Representative StandardCE / CUL / TUV / CCCCE / UL / CUL / TUV / CCC / CSACE-UL / CSA-CE
                        Dimension length(mm)51 ~ 8977 ~ 18373.2144-14473.2 ~ 80.6
                        Dimension width(mm)45 ~ 8944 ~ 19745114 ~ 16045104 ~ 17345 ~ 55
                        Dimension thickness(mm)76.5 ~ 8859.5 ~ 18263.7179 ~ 193-166.563.7 ~ 100

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