NORDAC PRO - SK 500E - Frequency inverter

High functionality, full power

  • Power range: 0.25 - 160 kW
  • Protection class: IP20

NORDAC PRO is the frequency inverter for all drive applications. It offers a large prower range and has the capability of extended functionality with plug-in option modules Scalable functions and interface equipment enable optimal adjustment for a wide variety of different applications. 

  • Power range: 0.25 - 160 kW
  • 1-phase 110 - 120 V, 1/3-phase 200 - 240 V, 3-phase 380 - 480 V
  • Protection class: IP20
  • Functional safety
  • Plug-in control module SK TU3 

  • 7x Digital-In, 2x Digital-Out, 2x Relais, 2x Analog-In, 1x Analog-Out
  • Optional In/Out extension
  • Functional safety: STO, SS1
  • Ethernet interface can be enhanced via option modules
  • Encoder interfaces TTL RS422, SIN/COS, SSI, BISS, Hiperface, EnDat 2.1, CANopen
  • Parameter structure compatible with all NORD frequency inverters
  • Parameterizable via plug-in control module, NORDCON software tool or App
  • 4 parameter sets which can be switched directly online
  • Motor brake management, lifting gear functionality
  • 4-quadrant operation due to an integrated brake chopper
  • V/f control, current vector control in open-loop and closed loop mode
  • High precision regulation and high overload behavior for synchronous and asynchronous motors 
  • PLC functionality for drive-related functions
  • POSICON- integrated positioning mode and synchronization
  • 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.