Compact, Low Power VLT® Micro Variable Frequency Drives Now Available in 15 – 20 HP Range

Description

Danfoss Drives’ VLT® Micro Drive is now available in an M4 frame size covering the three-phase 380 – 480 VAC, 15 – 20 HP range. The M4 is just 250mm tall (292mm with flange) x 125mm wide x 241mm deep. They feature conformal coated PCBs per IEC 60721-3-3, class 3C3, and provide serial communication via RS 485 Modbus RTU and FC protocols. A detachable Local Control Panel (LCP) with or without a potentiometer, an LCP copy function, as well as a panel-front mounting kit for the LCP, all facilitate ease of use. In addition to the new frame size, VLT Micro Drives are also available in single-phase 200 – 240 VAC, 0.25 – 2 HP; three-phase 200 – 240 VAC, ? – 2 HP; and three-phase 380 – 480 VAC, 0.5 – 3 HP power range configurations. “The VLT Micro Drive is a genuine VLT variable frequency drive with unsurpassed reliability, user-friendliness and condensed functionality that is extremely easy to commission. Users simply connect the motor and power cables, turn the control knob, and watch the motor speed change. The VLT Micro Drive is a general purpose drive designed for rugged and reliable, out-of-the-box, plug-and-play control of AC motors up to 20 HP,” says Doug Yates, Product Manager for Danfoss Drives. The VLT Micro Drive includes a number of features that provide real, tangible benefits to users in industrial appliance, water and HVAC applications, as well as to OEM machine builders. The drive offers true side-by-side mounting without any derating due to its compact book-style design. An Automatic Energy Optimizer function allows the drive to consume less energy while the Automatic Motor Adaptation feature leverages the motor’s full operating potential. Users will also benefit from up to 150% more torque for up to a full minute, eliminating the need to oversize the drive. The extremely compact VLT® Micro Drive provides IP20 protection even without the terminal cover. It can be commissioned in minutes to perform even complex operations. Approximately 100 parameters can be set to optimize energy efficiency and operation. A “flying start” feature provides more uptime while an electronic thermal relay eliminates the need for external motor protection. A built-in RFI filter saves on cost and space. The VLT® Micro Drive also features a smart logic controller - a simple yet clever way to seamlessly integrate the drive and motor for optimum application performance. This feature allows users to program the controller to react on virtually any event, often eliminating the need for a PLC. Additional features include built-in AC and DC brake functions that help the drive transform kinetic energy from the application into braking power, intelligent heat management and coated electronics for maximized drive reliability and life, and the ability to copy settings via a local control panel (LCP) to easily set up multiple drives.
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