NORDAC LINK SK 250E

Decentralised frequency inverter for wall mounting

  • Power range: 0.37 - 7.5 kW
  • Protection class: IP55, IP65
  • Wall‑mounted installation close to the drive
  • Simple installation and maintenance due to full plug-in capability
  • Free configuration for your application

Minimised downtime, maximum productivity

The NORDAC LINK frequency inverter offers a particularly convenient drive solution for decentralised installations. With its flexible configuration options, it can be precisely tailored to a wide range of different applications. The complete plug-in capability enables quick and easy installation. Thanks to the integrated maintenance switch and local manual control, maintenance work and commissioning can be carried out quickly. With these features, the NORDAC LINK minimises downtime and maximises productivity. 

  • High compatibility and easy integration into Ethernet-based control systems via scalable Ethernet interfaces 
  • Simple installation and maintenance thanks to full plug-in capability 
  • Flexible use through free configuration for a wide range of applications 

Product versions

  • Power range: 0.37–7.5 kW 
  • Protection class IP55 or IP65 
  • Available with optional maintenance switch and local manual control 
  • Various options from the modular product system 

Product characteristics

  • 5x Digital In, 2x Digital Out, 2x Analogue In – plus optional In/Out extension 
  • Simple system integration via Ethernet interface, expandable through an optional module 
  • Functional safety STO, SS1, SLS, SSR, SDI, SOS, SSM, PROFIsafe 
  • Encoder interfaces: HTL, CANopen 
  • Simple installation and maintenance due to full plug-in capability 
  • High operating convenience thanks to parameterisation via plug-in control module, NORDCON software tool or app  
  • Four parameter sets, which can be switched directly online  
  • Parameter structure compatible with all NORD frequency inverters  
  • Motor brake management, lifting gear functionality 
  • 4-quadrant operation through integrated brake chopper 
  • V/f control, current vector control in open-loop and closed-loop mode 
  • High control quality and large overload capacity for synchronous and asynchronous motors 
  • PLC functionality for drive-related functions 
  • POSICON – integrated positioning mode and synchronism 
  • Integrated line filter 

BU0250 - Manual containing installation instructions – NORDAC LINK (SK 250E-FDS series) – Frequency inverters


BU0250 - Manual containing installation instructions – NORDAC LINK (SK 250E-FDS series) – Frequency inverters
  • Download English
Documentation Details

BU0235 - (Supplementary) manual – Functional safety for NORDAC LINK (SK 250E-FDS)


BU0235 - (Supplementary) manual – Functional safety for NORDAC LINK (SK 250E-FDS)
  • Download English
Documentation Details

BU0255 - (Supplementary) manual – AS-Interface CTT2 for NORDAC LINK (SK 270E-FDS ... SK 280E-FDS)


BU0255 - (Supplementary) manual – AS-Interface CTT2 for NORDAC LINK (SK 270E-FDS ... SK 280E-FDS)
  • Download English
Documentation Details

BU2900 - (Supplementary) manual – Industrial Ethernet bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters


BU2900 - (Supplementary) manual – Industrial Ethernet bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters
  • Download English
Documentation Details

BU0210 - (Supplementary) manual – POSICON – Positioning control for NORDAC FLEX and LINK (SK 200E, SK 250E-FDS)


BU0210 - (Supplementary) manual – POSICON – Positioning control for NORDAC FLEX and LINK (SK 200E, SK 250E-FDS)
  • Download English
Documentation Details

BU0940 - Manual – S7 standard modules for NORDAC frequency inverters


BU0940 - Manual – S7 standard modules for NORDAC frequency inverters
  • Download English
Documentation Details

BU0950 - Manual – TIA standard modules for NORDAC frequency inverters


BU0950 - Manual – TIA standard modules for NORDAC frequency inverters
  • Download English
Documentation Details

BU2100 - (Supplementary) manual – EtherNet/IP bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters


BU2100 - (Supplementary) manual – EtherNet/IP bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters
  • Download English
Documentation Details

BU2200 - (Supplementary) manual – POWERLINK bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters


BU2200 - (Supplementary) manual – POWERLINK bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters
  • Download English
Documentation Details

BU2300 - (Supplementary) manual – EtherCAT® bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters


BU2300 - (Supplementary) manual – EtherCAT® bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters
  • Download English
Documentation Details

BU2400 - (Supplementary) manual – PROFINET IO® bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters


BU2400 - (Supplementary) manual – PROFINET IO® bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters
  • Download English
Documentation Details

BU2500 - (Supplementary) manual – CANopen bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters


BU2500 - (Supplementary) manual – CANopen bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters
  • Download English
Documentation Details

BU2600 - (Supplementary) manual – DeviceNet bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters


BU2600 - (Supplementary) manual – DeviceNet bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters
  • Download English
Documentation Details

BU2700 - (Supplementary) manual – PROFIBUS DP bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters


BU2700 - (Supplementary) manual – PROFIBUS DP bus interface for NORDAC BASE, FLEX and LINK – Frequency inverters
  • Download English
Documentation Details

BU2800 - (Supplementary) manual – PROFIsafe bus interface for NORDAC FLEX and LINK – Frequency inverters


BU2800 - (Supplementary) manual – PROFIsafe bus interface for NORDAC FLEX and LINK – Frequency inverters
  • Download English
Documentation Details

AG0100 - Manual (application guide) – Controller optimisation – Frequency inverters


AG0100 - Manual (application guide) – Controller optimisation – Frequency inverters
  • Download English
Documentation Details

AG0101 - Manual (application guide) – Drive optimisation – Frequency inverters


AG0101 - Manual (application guide) – Drive optimisation – Frequency inverters
  • Download English
Documentation Details

AG0104 - Manual (application guide) – System bus – Frequency inverters


AG0104 - Manual (application guide) – System bus – Frequency inverters
  • Download English
Documentation Details

BU0000 - Manual – NORDCON – Control and parameterisation software for NORDAC frequency inverters and motor starters


BU0000 - Manual – NORDCON – Control and parameterisation software for NORDAC frequency inverters and motor starters
  • Download English
Documentation Details

BU0550 - (Supplementary) manual – PLC for NORDAC frequency inverters and motor starters


BU0550 - (Supplementary) manual – PLC for NORDAC frequency inverters and motor starters
  • Download English
Documentation Details

TI80_0026 - Technical information – SmartOilChange


TI80_0026 - Technical information – SmartOilChange
  • Download English
Documentation Details

TI80_0037 - Technical information – Plug-in mains connection for NORD products


TI80_0037 - Technical information – Plug-in mains connection for NORD products
  • Download English
Documentation Details

TI80_0045 - Technical information – Functional safety


TI80_0045 - Technical information – Functional safety
  • Download English
Documentation Details

TI800_000000003 - Technical information – Residual currents


TI800_000000003 - Technical information – Residual currents
  • Download English
Documentation Details

TI80_0011 - Technical information – EMC-compliant installation


TI80_0011 - Technical information – EMC-compliant installation
  • Download English
Documentation Details

TI80_0019 - Technical information - Design of the protective earth conductor


TI80_0019 - Technical information - Design of the protective earth conductor
  • Download English
Documentation Details

TI80_0020 - Technical information - Climate classes


TI80_0020 - Technical information - Climate classes
  • Download English
Documentation Details

TI80_0035 - Technical information – Ecodesign and UKCA


TI80_0035 - Technical information – Ecodesign and UKCA
  • Download English
Documentation Details

TI80_0046 - Technical information – Adapters and adapter cables


TI80_0046 - Technical information – Adapters and adapter cables
  • Download English
Documentation Details

E3000 - Catalogue – NORDAC Electronic drive technology


E3000 - Catalogue – NORDAC Electronic drive technology
  • Download English
Documentation Details

C310701 - Declaration of conformity (EMC) – NORDAC LINK (SK 250E-FDS) – Frequency inverters


C310701 - Declaration of conformity (EMC) – NORDAC LINK (SK 250E-FDS) – Frequency inverters
  • Download English
Documentation Details

C312900 - Declaration of Conformity for Frequency Inverter NORDAC LINK SK 250E - Australia - ACMA


C312900 - Declaration of Conformity for Frequency Inverter NORDAC LINK SK 250E - Australia - ACMA
  • Download English
Documentation Details

F3025 - NORDAC Link


F3025 - NORDAC Link
  • Download English
Documentation Details