VLT 6027 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
The Danfoss VLT 6027 is an HVAC drive from the VLT 6000 HVAC Drives series, offering a typical shaft power of 25 HP and efficiency ratings of 0.95 at 200-240 V and 0.96 at 380-460 V. It supplies output currents up to 74.8 A at 200-230 V and 37.5 A at 380-440 V. The drive weighs 22 kg in its IP20 version at 380-460 V.
Internal Product Review
The VLT 6027 is a well-engineered Danfoss HVAC drive with 18.5 kW typical shaft output and 25 HP typical shaft power. Efficiency of 0.96 at 380-460 V and 37.5 A output current at 380-440 V support stable, energy-efficient performance in demanding HVAC service.
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Product Description:
The VLT 6027 is an AC variable-frequency drive produced by Danfoss for the VLT 6000 HVAC Drives series. Designed for ventilation and pumping systems, the unit modulates motor speed so building automation controllers can match airflow or water flow to real-time demand and reduce energy use. As an HVAC drive, it delivers the voltage and frequency combinations required by induction motors that power fans, blowers, and circulation pumps in commercial and industrial facilities.
For a 200–230 V mains supply, the drive provides an output current of 74.8 A. The output current is 37.5 A with a 380–440 V supply and 28 A during 550 V operation. These current ratings assist with cable sizing and upstream protection selection. The corresponding apparent power is 31.1 kVA on a 240 V bus and 27.0 kVA on a 400 V supply, while the rating at 550 V is 27 kVA. Power losses are 1042 W, 655 W, and 702 W for the three respective voltage groups, and these values affect enclosure airflow and heat sink capacity. Weight varies with the enclosure style and voltage class. An IP20/NEMA 1 unit for the 200–240 V range weighs 30 kg, an IP20 model for 380–460 V weighs 22 kg, and an IP20/NEMA 1 unit for 525–600 V weighs 23 kg.
System efficiency reaches 0.95 on 200–240 V grids and rises to 0.96 on 380–460 V supplies, allowing a large portion of the input power to reach the motor instead of being dissipated as heat. The drive supports a typical shaft output of 18.5 kW, which corresponds to 25 HP. This output capacity is suitable for common HVAC induction motors used in continuous-duty ventilation and pumping applications. When considered with the stated power-loss values, the efficiency levels help determine the cabinet cooling needed for sustained operation. The enclosure weights also support structural load calculations for wall-mounted installations or rooftop air-handler frames subject to building load limits.
