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Eaton EMT6 Thermistor Overload Relay is a high-precision protective device designed to safeguard electric motors by directly monitoring the motor winding temperature using a thermistor sensor. Compatible with 1W thermistor inputs and operating voltage ranging from 24-240V at 50/60Hz AC or 24-240V DC, this relay effectively protects motors from damage caused by overtemperature events triggered by heavy starting loads, braking, undervoltage, overvoltage, and high switching frequencies. The EMT6 relay promptly trips when an overtemperature signal is detected, ensuring reliable fault detection and signaling to the control panel, thereby minimizing machine downtime and damage risks. Beyond motor winding temperature, Eaton EMT6 units can monitor critical equipment temperatures including bearings, gears, oils, and coolants. Select models of the EMT6 series offer enhanced features such as short-circuit monitoring, voltage loss protection, and flexible switching options between automatic and manual trip modes. This ensures versatility for diverse industrial applications requiring precise motor and machinery thermal management and protection.
Key Features
| Features | Description |
|---|---|
| Thermistor Input Compatibility | Supports 1W thermistor sensors for direct motor winding temperature monitoring |
| Operating Voltage Range | 24-240V AC at 50/60Hz and 24-240V DC |
| Protection Functions | Overtemperature protection due to heavy starting, braking, undervoltage, overvoltage, and switching frequencies |
| Trip Mechanism | Instant trip on detecting overtemperature with reliable fault signal output to control panels |
| Application Versatility | Monitors temperature in bearings, gears, oils, and coolants |
| Additional Functionalities | Models available with short-circuit monitoring, voltage loss protection, and automatic/manual switching-off modes |
| Reclosing Lockout | Designed without reclosing lockout for faster system reset |
| Industrial Usage | Ideal for motor protection in various industrial machinery and equipment |
| Attributes | Description |
|---|---|
| Product Type | Thermistor Overload Relay |
| Compatible Thermistor | 1W thermistor |
| Operating Voltage AC | 24-240V, 50/60Hz |
| Operating Voltage DC | 24-240V |
| Trip Action | Trips on overtemperature signal |
| Monitoring Capability | Motor winding temperature, bearings, gears, oils, coolants |
| Reclosing Lockout | Not provided |
| Protection Features | Overtemperature, undervoltage, overvoltage, short circuit (select models), voltage loss |
| Switching Mode | Automatic or manual switching-off for select models |
| Installation | Compatible with control panels for fault signaling |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Yes, the EMT6 relay models can be used to monitor temperatures of bearings, gears, oils, and coolants in addition to motor windings, making it versatile for comprehensive machinery protection.
No, the Eaton EMT6 thermistor relay is designed without a reclosing lockout, allowing faster reset after a trip event.
The EMT6 relay operates on voltage supply between 24 to 240V AC at 50/60Hz or 24 to 240V DC, accommodating a wide range of industrial setups.
Yes, Eaton offers a variety of EMT6 relay models that include additional protective functions such as short-circuit monitoring and voltage loss protection.
Certain models of the EMT6 thermistor overload relay allow switching between automatic and manual trip modes according to application requirements.
Eaton EMT6 thermistor overload relays 1W , 24-240V50/60Hz, 24-240VDC, without reclosing lockout protect machines against overtemperature caused by heavy starting duties, braking, undervoltage, overvoltage, and high switching frequencies. When using these relays, a thermistor is used to monitor the temperature directly on the motor winding and, in the event of overtemperature, the corresponding signal is relayed to the EMT6 unit. Once the unit receives the signal, it trips, and the fault signal can be reliably detected
in the corresponding control panel. EMT6 units are also used to monitor the temperature of bearings, gears, oils, and coolants. Moreover, there are a variety of device models available with additional functionalities, including protection against the effects of voltage loss, short-circuit monitoring, and the ability to switch between automatic and manual switching-off.
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