VLT 3003
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The Danfoss VLT 3003 is part of the VLT 3000 Variable Speed Drives series, offering efficient performance with a power factor of 0.9/1.0. This drive supports input voltages of 3x200/220/230V ±10%, with an output power of 1.5 kW. It features an output frequency range of 0-120 Hz or 0-500 Hz and weighs 7.4 kg in its IP00 enclosure.
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Product Description:
The VLT 3003 Variable Speed Drive made by Danfoss delivers stable current and power regulation under constant and variable torque demands. Danfoss produces advanced variable speed drives made for accuracy and stability in automation systems. It ensures energy efficiency across extended duty cycles.
Under constant load conditions, the VLT 3003 speed drive provides a nominal output of 2 HP. The output current in continuous mode equals 7.8 A. This current capacity value maintains accurate drive function under steady electrical demand. The output current in intermittent operations reaches 12.5 A for 60 seconds. The short-term current tolerance allows controlled overload handling during acceleration cycles. The output power in variable torque continuous mode is 2.9 kVA. Fans, pumps, and similar applications with oscillating torque levels are supported within the specified capacity. The output power under constant load continuous duty equals 3.1 kVA. The sustained rating offers delivery of consistent energy without thermal instability. The intermittent output power reaches 4.9 kVA for 60 seconds. The short-term margin secures performance during peak mechanical demand. Industrial processes with a need for constant motor output and controlled electrical operation are supported by the drive.
The VLT 3003 speed drive supports a maximum motor size of 3 HP under constant torque duty. The defined conformity ensures correct matching between the drive and motor. The quadratic load nominal power equals 2 HP in VT operation. The value establishes suitability for variable torque systems that require high efficiency at partial speeds. The output current in variable torque continuous duty is 7.8 A. The stable current flow maintains a predictable response under continuous VT applications. The design parameters of the VLT 3003 speed drive define its ability to support automation processes that require regulated motor speed and controlled torque delivery.
Frequently Asked Questions about VLT 3003:
Q: What overload handling features are integrated into the VLT 3003 Variable Speed Drive?
A: The drive sustains 12.5 A intermittent current for 60 seconds, enabling it to manage short bursts of high demand without overheating or failure.
Q: How does the VLT 3003 Variable Speed Drive perform under continuous-duty cycles?
A: The VLT 3003 Variable Speed Drive delivers 2 HP constant power with 7.8 A output current, ensuring uninterrupted operation in pump, fan, and conveyor applications.
Q: What motor compatibility is supported by the VLT 3003 Variable Speed Drive?
A: It pairs with motors up to 3 HP under constant torque conditions, ensuring reliable application in medium-scale machinery and automation systems.
Q: How does the VLT 3003 Variable Speed Drive support efficiency in quadratic load applications?
A: The VLT 3003 outputs 2.9 kVA in VT continuous mode, providing optimized performance for fans and pumps where variable torque demands dominate.
Q: How does the VLT 3003 Variable Speed Drive reduce system risks during transient loads?
A: The design includes defined overload margins, allowing stable operation under temporary surges and protecting connected equipment from electrical stress.
