The new frequency inverter SK 540E

The latest stage in the evolution of the NORD frequency inverter series SK 500E. The flexible modular system for automation.


  • Additional, universal interface for connection of SSI and BISS Interfaces, Hiperface, ENDAT 2.1, SIN/COS 1Vss, CANOPEN and HTL or TTL incremental encoders


  • Integrated PLC functionality for the implementation of simple automation applications or technological functions


  • Operation of asynchronous motors
  • „Open Loop“- and „Closed Loop“ operation of PM synchronous motors

FEATURES: SK 540E / SK 545E integrated PLC functionality and universal encoder interface

SIZES 1 - 4 (0,25 - 7,5 kW):

  • SK 500E basic equipment
  • "Safe stop" (STO) as per EN ISO 13849-1 Cat.4
  • Performance level e EN 61508 SIL3
  • CANopen on board
  • Incremental encoder input (TTL)
  • POSICON positioning control
  • Additional connections for control signals
  • Integrated PLC functionality
  • Universal encoder interface
  • Potential isolated PTC input