VLT 3052
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The VLT 3052 variable speed drive offers a power rating of 37 kW, operates within a voltage class of 440/460/500 V, and features an overall height of 37.40 inches. Part of the VLT 3000 Variable Speed Drives series by Danfoss, it incorporates a 150 A T-Tron JJS input fuse for efficient operation.
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Product Description:
The VLT 3052 is part of the Danfoss VLT 3000 Variable Speed Drive series. Danfoss is recognized for producing durable and efficient drive technology. This model delivers reliable control for demanding industrial motor applications. It is designed to handle constant load conditions with high accuracy. The constant load nominal power is 50 HP.
The VLT 3052 Variable Speed Drive provides a continuous output current of 88 A for stable performance. The output current continuous rating is 73 A with intermittent current of 117 A. The drive supports a continuous output of 52.3 kVA for extended operations. It ensures consistent performance in environments requiring precise speed and torque. The output voltage range is 0 to 100% of the AC line voltage. The adjustable output frequency spans from 0 Hz to 120 Hz. The maximum input constant load rating is 66.5 A. For quadratic load applications, the current capacity is 80 A. The design allows connection with a maximum wire size of 4 AWG. The drive supports maximum pre-fuses of 125 A for protection. The power factor is maintained at 0.9 under standard operating conditions. The efficiency of this unit is 0.96 when operating at 100% load. The VLT 3052 combines precise control with strong electrical capacity. It supports both constant and quadratic load operations.
The VLT 3052 Variable Speed Drive ensures consistent and efficient motor operation. The switching on the input is rated for five times per minute. The power loss at maximum load reaches 1875 W. The drive has been tested under vibration levels of 0.7 g. These features confirm suitability for heavy-duty and high-demand applications. The maximum pre-fuses supported are 125 A with a vibration test rating of 0.7 g.
Frequently Asked Questions about VLT 3052:
Q: How does the adjustable output frequency of the VLT 3052 variable speed drive improve operations?
A: The adjustable 0–120 Hz range allows flexibility in motor speed control. This ensures optimized efficiency for both constant torque and variable torque applications.
Q: Why is the 0.9 power factor important in the VLT 3052 speed drive?
A: The maintained 0.9 power factor reduces reactive power losses. This helps stabilize power delivery in demanding industrial electrical networks.
Q: ow does the 0.96 efficiency rating of the VLT 3052 speed drive benefit users?
A: The high efficiency minimizes energy waste during continuous operation. This ensures reduced operating costs in high-load applications.
Q: How does the quadratic load capacity of 80 A improve efficiency?
A: The quadratic load support reduces energy consumption during variable torque operations. This is especially useful in fan and pump applications.
Q: How does the maximum wire size of 4 AWG help in VLT 3052 speed drive connections?
A: The 4 AWG compatibility allows safe current transmission. This ensures proper handling of high electrical loads during operation.
