178B5520 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
MPN: VLT2805PD2B20STR0DBF00A00C1
The Danfoss 178B5520 is a low voltage drive from the VLT 2800 series with a power rating of 0.55 kW and a mains input voltage range of 200 to 240V AC. It features a built-in display, IP20 protection rating, and comes in a bookstyle enclosure. This standard hardware configuration drive is designed for process applications and delivers 0.75 horsepower.
Internal Product Review
The 178B5520 is a Danfoss VLT 2800 low voltage drive configured for process applications with a 0.55 kW rating. The built-in display and IP20 protection support efficient commissioning and dependable cabinet installation. The coated bookstyle enclosure makes the unit a very practical choice for clean, space-conscious drive integration.
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Product Description:
The 178B5520 is a low-voltage AC drive produced by Danfoss for the VLT 2800 Low Voltage Drives series. This compact unit modulates mains power to regulate the speed of small induction motors used in conveyors, mixers, pumps, fans, and other process machinery. By adjusting the frequency and voltage delivered to the motor terminals, the drive helps maintain consistent torque and precise speed control as operating demands change. Its compact design makes it suitable for installation in control panels where available mounting space is limited.
The drive accepts a mains input of 200–240 V AC, matching supply lines commonly found in light industrial panels. The inverter section has a rated output of 0.55 kW, which corresponds to a mechanical motor output of 0.75 HP. This power range supports fractional-horsepower motors used in applications with modest load requirements. The enclosure has an IP20 protection rating, so the drive must be installed in a cabinet that prevents unintended contact with live components and protects it from unsuitable environmental conditions. The housing uses a book-style format, allowing multiple drives to be mounted side by side while conserving panel width. Adequate ventilation and the required installation clearances must be maintained to prevent excessive internal temperatures during continuous operation.
A built-in SLCP display provides local access to operating status, alarms, and parameter numbers without requiring an external keypad. The circuit boards have a protective coating that helps shield electronic components from ambient moisture commonly present in processing areas. The drive has no fieldbus option, so remote commands and status signals must use the available hardwired control connections. The unit also includes no EMC filter, which may require the use of an external line filter where conducted-emissions limits apply. The standard configuration has no dedicated application option and is intended for general process control duties. Motor compatibility, external protection, cable routing, and control wiring should be selected according to the requirements of the connected equipment and installation.
