VLT6005HT4B20STR3DLF00 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
The Danfoss VLT6005HT4B20STR3DLF00 is part of the VLT 6000 HVAC Drives series and is designed for HVAC applications. This standard unit features a power rating of 3.0 kW or 4.0 HP and operates on 380-460 VAC. It has a bookstyle IP20 enclosure, includes a Local Control Panel display, and comes equipped with Class A1 and B RFI filters.
Internal Product Review
The VLT6005HT4B20STR3DLF00 is a Danfoss HVAC drive engineered for HVAC service on 380-460 VAC systems. The integrated LCP local control panel and Bookstyle IP20 enclosure support efficient commissioning and clean cabinet installation. The 3.0 kW / 4.0 HP rating makes this unit a strong fit for dependable building-system drive control.
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Product Description:
The VLT6005HT4B20STR3DLF00 is a variable-frequency drive manufactured by Danfoss for the VLT 6000 HVAC Drives series. It regulates the speed of three-phase motors that power fans, pumps, and compressors so building automation systems can maintain target temperatures and pressures while minimizing electrical demand. By varying output frequency instead of relying on dampers or valves, the drive helps HVAC equipment run closer to its intended operating point. Variable-speed control also reduces mechanical stress caused by frequent starts, abrupt stops, and continuous operation at full speed.
The drive accepts a line supply of 380–460 VAC, a range that covers common 400 V and 460 V distribution networks found in commercial facilities. Its continuous output capability is rated at 3.0 kW (4.0 HP), making it suitable for midsize air-handling zones or secondary pump loops. A slim book-style IP20 housing allows dense side-by-side mounting inside standard control panels without excessive spacing. Conducted emissions are attenuated by the integrated Class A1 and B filter, which helps the installation meet typical electromagnetic compatibility limits for residential and light-industrial environments. Parameter entry and local override are performed through the detachable LCP (Local Control Panel), providing direct access to operating values and drive settings without requiring separate control equipment.
The unit is designed specifically for HVAC service involving variable airflow or liquid flow rather than constant-torque loads. The drive has no fieldbus communication card, so speed commands must be issued through analog signals or digital I/O. Internal assemblies use the standard unit configuration for this model. Proportional-integral control functions can regulate pressure, temperature, or flow by responding to process feedback from connected sensors. Preset fan-law functions support applications in which power demand changes significantly as motor speed is reduced. The drive can also coordinate local commands from the control panel with external start, stop, and reference signals from a building automation system. Its panel-mounted enclosure protects internal components against accidental contact while allowing heat to dissipate through the cabinet’s ventilation system.
