VLT 6042 Danfoss
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The Danfoss VLT 6042 is an HVAC drive with a 30 kW output power and a true power factor of 0.90. Part of the VLT 6000 HVAC Drives series, it offers acceleration torque of 100% and starting torque of 110% for one minute. The drive can handle a maximum altitude of 1000 meters and works in ambient temperatures ranging from 0°C to 40°C.
Internal Product Review
The VLT 6042 is a Danfoss HVAC drive rated for 30 kW with 110% starting torque for dependable fan and pump startup. Operation remains stable in HVAC installations with a 0 to 40°C ambient range and 95% non-condensing humidity tolerance. Support for up to 300 m unscreened motor cable and a 0.90 true power factor make the drive a very capable choice for efficient building automation service.
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Product Description:
The VLT 6042 is an AC variable-frequency inverter manufactured by Danfoss for the VLT 6000 HVAC Drives series. As an HVAC drive, it adjusts motor speed so air-handling units, pumps, and chillers can match real-time demand instead of operating at a fixed frequency. This closed-loop speed control lowers energy consumption and reduces mechanical stress in commercial or industrial climate-control systems. The inverter remains compatible with standard three-phase induction motors used in common building-service applications.
The drive supplies up to 30 kW of continuous output power. During acceleration, it can deliver 100% of rated motoring torque. For stationary shafts, a breakaway torque of 160% for 0.5 seconds overcomes static friction, while a starting torque of 110% for 1 minute sustains heavy loads until normal speed is reached. Short-term overload torque of 110% is also available during temporary process disturbances. DC-link wiring may extend to 25 m, while shielded motor leads can reach 150 m and unshielded leads can reach 300 m, allowing flexible cabinet placement. Control conductors with cross-sectional areas up to 1.5 mm² can be terminated in the low-voltage strip. The input side withstands short-circuit currents of 100,000 A, and a true power factor of 0.90 helps minimize reactive demand on the supply.
The drive operates at ambient temperatures from 0 °C through 40 °C without derating. It can also operate at elevations up to 1000 m above sea level. The enclosure tolerates 95% noncondensing relative humidity and vibration loads up to 0.7 g RMS, allowing installation in rooftop or equipment-room panels. Internal components are conformally coated to withstand dust-laden airflow. These protective measures help maintain dependable regulation in demanding HVAC installations where airborne contaminants, vibration, and elevated humidity may be present.
