NORDAC PRO Variable Frequency Drive - SK 500E

Wide range of functions for cabinet control

  • Power range: 0.33 – 200 HP (0.25 – 160 kW)
  • Protection class: IP20

NORDAC PRO cabinet VFDs are extremely versatile and can be used for a variety of basic and advanced drive applications. They are available in 11 sizes with a wide power range, as well as functionality that can be extended with optional plug-in modules. These VFDs have integrated POSICON positioning function, PLC, and functional safety features and can tackle high power applications within limited spaces that are housed and protected within a control cabinet.

  • Power range: 0.33 – 7.5 HP (0.25 – 5.5 kW)
  • Single-phase: 200 – 240 V, 3-phase: 380 – 480 V
  • Available in basic and advanced versions
  • Protection class: IP20
  • Functional safety
  • SK TU5 plug-in control module
  • SK CU5 extension modules

  • 7x Digital In, 2x Digital Out, 2x Relays, 2x Analog In, 1x Analog Out
  • Optional In/Out extension
  • Functional safety: STO, SS1
  • Ethernet interface can be extended for each optional module
  • Encoder interfaces: TTL RS422, SIN/COS, SSI, BISS, Hiperface, EnDat 2.1, CANopen
  • Parameter structure compatible with all NORD variable frequency drives
  • Parameterization via plug-in control module, NORDCON software tool, or app
  • 4 parameter sets can be switched directly online
  • Motor brake management, lifting gear functionality
  • 4-quadrant operation with integrated brake chopper
  • V/f control, current vector control in open-loop and closed-loop mode
  • High precision regulation and large overload characteristics for synchronous and asynchronous motors
  • PLC functionality for drive-related functions
  • POSICON integrated positioning mode and synchronous operation
  • Integrated line filter



Treif Food Processing

Intelligent Cutting

Treif Maschinenbau GmbH is one of the world's leading manufacturers of equipment and systems for slicing food. An SK 500E AC vector drive featuring a powerful microprocessor and integrated positioning functions allow for swift and precise slicing and dicing. No need for an extra controller!

Stage Technology in the Duisburg Theater

Smooth Positioning

New electrical equipment to operating the stage machinery was installed in the Duisburg Theater. Each of the over one hundred control cabinets is equipped with an SK 535E AC vector drive that comes with integrated brake management, brake chopper and line filter as well as sensor-less current vector control.

GinD Gondolas

Metered Moving

Góndolas in Design, S.L. develops and manufactures custom systems for the maintenance and cleaning of building façades. Innovative gondola systems have many requirements and challenges. Drive tehcnology supplied by NORD is responsible for lifting, rotating and precisely positioning the gondola system for the cleaning of building facades. In this example, an SK 500E AC vector drive is responsible for many of these tasks.

STROS Hoists

Custom Drive Solutions for Construction Hoists

The Czech construction hoist manufacturer, STROS, serves customers around the world. NORD drive systems for STROS construction hoists comprise of three bevel gearmotors with external brake resistors equipped with an SK 500E control cabinet AC vector drive with lifting gear functionality that is responsible for soft starting and braking for high positioning accuracy.