VLT 3004
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The Danfoss VLT 3004 is part of the VLT 3000 Variable Speed Drives series, delivering a typical shaft output of 2.2 kW with constant torque. It supports a programmable output frequency of 0–120 Hz or 0–500 Hz and features IP00, IP21, and IP54 enclosure types, weighing up to 11 kg.
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Product Description:
The Danfoss VLT 3004 is a Speed Drive that provides regulated conversion for variable speed operation. It offers precision drives for industrial automation that require stable power and control regulation. The drive maintains efficiency across a wide range of duty cycles. It supports applications that require controlled torque, current, and frequency stability.
The maximum motor rating for the VLT 3004 Speed Drive in variable torque applications is 5 HP. The defined rating supports the use of medium-capacity motors in fan and pump installations. The maximum motor cable length is 1000 ft unshielded. The cable specification allows extended installation distances while maintaining stable transmission. The output voltage range equals 0 to 100 percent of the AC line voltage. The programmable voltage capacity supports gradual acceleration and controlled energy application. The output frequency is programmable from 0–120 Hz or 0–500 Hz. The frequency range provides operational flexibility for different motor types and system requirements. The rated motor frequency can be set to 50, 60, 87, or 100 Hz. The selectable options allow adaptation to regional standards and application-specific requirements. The terminal connections accommodate wires up to 12 AWG. Proper installation and safe electrical conduction are governed by the conductor specification. The drive includes built-in thermal motor protection with electronic monitoring and a thermistor compliant with DIN 44081. The thermal attributes prevent overheating under extended duty or overload conditions. The output permits unlimited switching operations.
The VLT 3004 speed drive supports rated motor voltages of 200, 220, and 230 V. The multiple ratings provide conformity with varied electrical supply conditions in industrial installations. The programmable ramp times range from 0.1 to 3600 seconds. The wide range allows accurate adjustment of acceleration and deceleration profiles. The Danfoss variable drive combines defined protection with flexible programming to support industrial automation requirements.
Frequently Asked Questions about VLT 3004:
Q: What motor sizes can the VLT 3004 Variable Speed Drive handle?
A: It supports motors up to 5 HP under variable torque duty, making it suitable for medium-capacity pump and fan operations in automation.
Q: How does the Danfoss VLT 3004 Variable Speed Drive ensure cable flexibility?
A: The drive supports motor cable lengths up to 1000 ft unshielded, enabling reliable integration across extended industrial plant layouts.
Q: What protection features are included in the Danfoss VLT 3004 Variable Speed Drive?
A: It integrates electronic thermal motor protection and DIN 44081 compliant thermistor safeguarding, enhancing reliability under continuous load or thermal stress.
Q: What is the programmable frequency range of the VLT 3004?
A: It offers frequency programming from 0–120 Hz or up to 500 Hz, ensuring compatibility with both standard and high-speed motor applications.
Q: How does the VLT 3004 Variable Speed Drive control ramp times?
A: It provides adjustable acceleration and deceleration ramp settings between 0.1 and 3600 seconds, allowing precision in motor speed transitions for process needs.
