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Overload Relays（Representative Standard：UL）
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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MITSUBISHI
Mitsubishi thermal relay TH-T series
[Features]
· Great satisfaction, condensed into a small unit.
· Further evolution of the Mitsubishi Electric electromagnetic switch.
· Can use to detect motor overload and locking current.
· Product lineup by application, including overload open-phase protection type, time-lagged type, quick operating type, etc.
[Applications]
· Motor burnout protection.Days to Ship: Quote
| Brand |
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| Product Series |
| Days to Ship |
| Type |
| 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) |
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| Brand | MITSUBISHI |
| Product Series | |
| Days to Ship | Quote |
| Type | Thermal relay |
| Operating Method | Irreversible type |
| Motor capacity 400 to 440-VAC class(kW/A) | 2.2/5 ～ 3.7/6.6 |
| Motor Capacity VAC 200–220 Class(kW/A) | 1/5 ～ 1.5/6.6 |
| Coil rated voltage(V) | - |
| Number of Poles | 3 |
| Auxiliary Contact | 1a1b |
| Representative Standard | UL |
| Dimension length(mm) | 55 |
| Dimension width(mm) | 46 |
| Dimension thickness(mm) | 76.5 |
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Specification/Dimensions
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Type
- Thermal relay
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Operating Method
- Irreversible type
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Motor capacity 400 to 440-VAC class(kW/A)
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Motor Capacity VAC 200–220 Class(kW/A)
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Coil rated voltage(V)
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Number of Poles
- 3
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Auxiliary Contact
- 1a1b
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Representative Standard
-
Dimension length(mm)
-
Dimension width(mm)
-
Dimension thickness(mm)
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