VLT 3060

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The VLT 3060 drive offers a power rating of 45 kW, an output current of 105 A in VT mode, and operates at a supply voltage range of 3x380 to 500 V ±10%. As part of the VLT 3000 Variable Speed Drives from Danfoss, it boasts 96% efficiency under full load and comes with IP21/IP54 protection options.

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Product Description:

The VLT 3060 Variable Speed Drive manufactured by Danfoss> who is a global provider of energy-efficient solutions for industrial automation. This model is widely used in conveyors and compressors where precise speed and torque control are required and to improve energy efficiency and ensure smooth motor operation.

The < offers a shaft output at constant torque of 45 kW and a shaft output at quadratic load of 55 kW. It ensures stability with a constant output current of 86 A and delivers enhanced performance under quadratic torque with an output current of 105 A. The system supports a maximum cable cross-section of 70 mm² which enables safe and effective connections. The drive operates reliably within an ambient temperature range of -10 to +40 °C which makes it suitable for diverse working conditions. The output voltage ranges from 0 to 100 of the mains voltage for flexible voltage control for different operations. The ramp times range from 0.1 to 3000 which offers smooth acceleration and deceleration for motor applications. The drive handles an input current of 84.6 A with a quadratic load capacity of 103.3 A which makes it capable of meeting varied load requirements. For reliable circuit protection, it uses pre-fuses rated at 150 A.

The VLT 3060 unit weighs 147 kg and has a power loss of 423 W at maximum constant torque. It is enclosed in a NEMA 1/12 rated housing for durability and protection in industrial settings. The integrated frequency converter protection safeguards against earthing and short-circuiting for continuous and safe operation. The supply system is supported by a three-phase voltage of 3 x 380 ± 10% V, ensuring compatibility with standard industrial power networks.

0-100 of mains voltage
Ramp times
0.1 to 3000
Input current
103.3 A
Pre-fuses
105 A
Max. cable cross-section
150 A
Supply voltage
45 kW
Shaft output at quadratic load
55 kW
Constant output current
70 mm^2
Output voltage
84.6 A
Quadratic load
86 A
Output current at quadratic torque
Power Rating
Shaft output at constant torque

Frequently Asked Questions about VLT 3060:

Q: How does the ramp time flexibility in VLT 3060 speed drive improve operations?

A: The ramp times of 0.1 to 3000 seconds enable gradual acceleration and deceleration. This reduces mechanical stress on connected equipment and improves operational safety.

Q: Why is the 70 mm² cable capacity important in VLT 3060 speed drive?

A: The higher cross-section capacity ensures lower resistance and better current handling. This enhances efficiency and minimizes overheating risks in high-power motor setups.

Q: What is the significance of the quadratic load current of 105 A?

A: The high quadratic load capacity allows handling of variable torque applications. This makes it suitable for fans, pumps, and compressors with fluctuating demands.

Q: How does frequency converter protection in VLT 3060 speed drive enhance system safety?

A: The integrated converter protection prevents damage from earth faults or short-circuit events. This ensures continuous safe operation without unexpected shutdowns.

Q: How does the 423 W power loss rating affect the efficiency of VLT 3060 speed drive?

A: The relatively low power loss improves system energy efficiency. This helps reduce operational costs during prolonged drive use.


Internal Product Review

  • ‘‘The VLT 3060 Drive provides robust industrial performance with a quadratic output of 55 kW and 103.3 A input capacity. Its NEMA 1/12 enclosure ensures protection in demanding sites. It supports three-phase supply voltage of 3 x 380 V. ’’

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