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Specification & Description
| Specification | Description |
|---|---|
| Part Number | EMT6 |
| Alternative Part Number | EMT6 |
| Manufacturer | Moeller |
| Rated Operational Voltage | 24 to 240 V |
| Mounting Type | Screw, DIN Rail Mount |
| Dimensions | 22.5 x 102 x 78 mm |
| Rated Control Voltage | 230 V 50/60 Hz |
| Rated Insulation Voltage | 300 V to 400 V |
| Rated Operational Current | AC-15: 3 A at 240 V; AC-14: 3 A at 300 V, 3 A at 400 V |
| Conventional Thermal Current | Ith: 6 A |
| Tightening Torque | 1.2 Nm |
| Terminal Capacity | Solid: 1 x (0.5 - 2.5) mm², 2 x (0.5 - 1.5) mm²; Flexible with ferrule: 1 x (0.5 - 2.5) mm² |
| Terminal Screw | M3.5 |
| Degree of Protection | IP20 |
| Ambient Temperature Range | Open: -25 to +60 °C; Enclosed: -25 to +45 °C; Storage: -45 to +85 °C |
| Electromagnetic Compatibility | Electrostatic discharge (ESD): Air discharge 8 kV, Contact discharge 6 kV |
| Sensor Circuit Parameters | Max. cable length to sensor 250m (not insulated), Total cold resistance ≤ 1500 Ω |
| Commodity Code | 853649 |
The Moeller EMT6 thermistor overload relay is a compact and reliable solution designed to protect motors from overheating. Engineered with precision, this device monitors the temperature of motor windings through connected thermistors and triggers an alarm or disconnects the power supply in the event of excessive heat build-up, thereby preventing potential damage to the motor.
Suitable for a wide range of industrial applications, the EMT6 features a versatile voltage range of 24 to 240 V, accommodating various power supply requirements. Its screw-type terminals ensure a secure and stable connection, while the DIN rail mount design allows for easy and efficient installation within control cabinets.
With dimensions of 22.5 x 102 x 78 mm, the EMT6 is designed to fit seamlessly into electrical setups without occupying excessive space. The device's robust construction and adherence to international standards underscore its quality and reliability in safeguarding critical motor operations.
The Moeller EMT6 is an essential component for any setup where motor protection is paramount, offering peace of mind through its dependable performance and protective features.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of a thermistor overload relay?
A thermistor overload relay, such as the EMT6 from Moeller, is designed to protect motors and other electrical equipment from overheating. It does this by monitoring the temperature via thermistors embedded in the motor windings and disconnecting the power supply if an overtemperature condition is detected.
Can the EMT6 be used with any motor type?
The EMT6 is versatile and can be used with a variety of motor types, as long as the motor is equipped with PTC thermistors for temperature monitoring. It's important to ensure compatibility with the motor's specifications and the relay's rated values.
How is the EMT6 mounted?
The EMT6 can be mounted on a DIN rail or directly onto a mounting surface using a CS-TE adapter. This flexibility allows for easy integration into various control cabinet setups.
What voltage range does the EMT6 support?
The EMT6 supports a wide voltage range from 24 to 240 V, making it suitable for various applications and electrical standards.
What are the dimensions of the EMT6?
The dimensions of the EMT6 are 22.5 x 102 x 78 mm, which is a compact size that allows for efficient use of space within control panels.
How can I test the functionality of the EMT6?
The EMT6 features a test button that can be used to simulate an overtemperature condition and verify the relay's functionality. This ensures that the relay will operate correctly in an actual overtemperature event.
What type of connections does the EMT6 use?
The EMT6 uses screw connections for secure and reliable wiring. This type of connection is commonly used in industrial settings for its robustness.
Is the EMT6 compliant with any EMC standards?
Yes, the EMT6 complies with relevant EMC standards, ensuring that it will not interfere with other electronic equipment and is resistant to various forms of electromagnetic interference.
What is the maximum cable length for sensors connected to the EMT6?
The maximum one-way length for sensor cables connected to the EMT6 is 250 meters when not insulated, which allows for flexibility in sensor placement relative to the relay.
Can the EMT6 be manually reset?
Yes, the EMT6 can be manually reset after a trip event. It also has provisions for automatic reset, which can be configured based on the requirements of the application.
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