Thermal Relays(Representative standards:CE)
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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- 8 Days or Less
- 14 Days or Less
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8 Days or more
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Days to Ship: |
8 Days or more
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Specifications |
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Motor capacity AC200V to 220V class(kW/A)
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Number of electrodes
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Auxiliary contact
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Representative standards
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Dimension length(mm)
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Dimension width(mm)
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Dimension thickness(mm)
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| ![Thermal Relay for Mini Contact](//content.misumi-ec.com/image/upload/t_product_view_c/v1/p/jp/product/series/110400268330/110400268330_001.jpg?$product_view_c$)
| ![Thermal Relay](//content.misumi-ec.com/image/upload/t_product_view_c/v1/p/jp/product/series/110400268060/110400268060_001.jpg?$product_view_c$)
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Brand | MISUMI | MISUMI |
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Product Series | Thermal Relay for Mini Contact | Thermal Relay |
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CAD | | |
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Days to Ship |
8 Days or more
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8 Days or more
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Specifications | - UL
- c-UL
- CE-Compliant
- CCC
- IEC
- Space-saving
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Motor capacity AC200V to 220V class(kW/A) | - | 0.05/0.52 ~ 15/55 |
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Number of electrodes | 3 | 3 |
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Auxiliary contact | 1a1b | 1a1b |
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Representative standards | CE | CE |
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Dimension length(mm) | 73.2 | 73.2 ~ 80.6 |
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Dimension width(mm) | 45 | 45 ~ 55 |
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Dimension thickness(mm) | 63.7 | 63.7 ~ 100 |
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Specification/Dimensions
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Metric / Inch
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Motor capacity AC200V to 220V class(kW/A)
- 0.05/0.52
- 0.1/0.82
- 0.2/1.3
- 0.4/2.1
- 0.75/3.3
- 1/5
- 1.5/6.5
- 1.5/7.5
- 2.2/8.5
- 3.7/11
- 3.7/15
- 5.5/19
- 5.5/21.5
- 7.5/27
- 7.5/30
- 7.5/34
- 15/55
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Number of electrodes
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Auxiliary contact
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Representative standards
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Dimension length(mm)
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Dimension width(mm)
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Dimension thickness(mm)
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