VLT6005HT4C54STR3DLF00 Danfoss
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The Danfoss VLT6005HT4C54STR3DLF00 is part of the VLT 6000 HVAC Drives series and is designed for HVAC applications. This drive features a 3.0 kW (4.0 HP) power rating and operates on a voltage range of 380-460 VAC. It includes a Local Control Panel display and comes in a compact IP54 enclosure with integrated Class A1 and B RFI filtering.
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Product Description:
The VLT6005HT4C54STR3DLF00 is an AC variable-frequency drive manufactured by Danfoss for the VLT 6000 HVAC Drives series. It is designed to regulate motor speed in air-handling units, chilled-water pumps, and similar HVAC equipment so that airflow or fluid volume closely tracks building demand. By adjusting the output frequency supplied to a connected induction motor, the drive can reduce energy consumption when the system operates below full capacity. Controlled acceleration and deceleration also limit abrupt mechanical loading on belts, couplings, pumps, and fan assemblies. Lower motor speeds can reduce operating noise and wear in commercial ventilation, cooling, and refrigeration systems.
The power section accepts a three-phase input of 380–460 VAC and delivers up to 3.0 kW (4.0 HP) of mechanical power when paired with a compatible NEMA or IEC motor. A compact IP54 enclosure protects the internal electronics from dust and splashing water, allowing installation in suitable plant rooms without a separate protective cabinet. Electromagnetic emissions are controlled by an integrated Class A1 and B filter, which helps limit conducted interference in the connected electrical system. Local configuration and diagnostics are performed through the detachable keypad, allowing operating values and parameters to be viewed directly at the equipment. The power stage varies motor voltage and frequency in response to control commands from the HVAC system. This arrangement supports smooth speed changes as airflow, pressure, or water-flow requirements vary during normal building operation.
The operator interface is supplied with an LCP, providing dedicated start, stop, navigation, and menu keys for local control. Its backlit display presents operating information and allows parameters to be reviewed without an external computer. The removable design also permits the interface to be positioned for convenient access during setup or routine monitoring. Internally, the drive is configured as a standard unit, with the baseline control board, IGBT power stage, and cooling path used for this platform. The compact housing keeps the power electronics, control terminals, and operator interface together while maintaining protection against common plant-room contaminants. Motor-speed regulation can be coordinated with pressure, temperature, or flow commands supplied by compatible building-control equipment.
