NORDAC FLEX - SK 200E

Decentralised frequency inverter

  • Power range: 0.25 - 22 kW
  • Protection class: IP55, IP66
  • Versatile use with wall or motor mounting
  • Flexibly adjustable thanks to the modular design
  • High functionality for a wide range of applications

Master of adaptation

The NORDAC FLEX is NORD’s most flexible frequency inverter. Thanks to its scalable functionality and modular design, it can be adapted to any customer application. With its wide range of features and the simple parameter transfer via EEPROM memory, the NORDAC FLEX ensures fast and reliable installation and maintenance. 

  • High compatibility and easy integration into Ethernet-based control systems via scalable Ethernet interfaces 
  • Easy commissioning and operation via plug-in control module 
  • Flexible use through modular design and scalable functions

Product versions

  • Power range: 0.25–22 kW 
  • Single-phase 110–120 V, 1/3-phase 200–240 V, 3-phase 380–500 V 
  • Protection class IP55 or IP66 
  • Available for ATEX zone 22 3D 
  • Plug-in control module available 
  • Extension modules SK CU4, SK TU4 available 
  • Various options from the modular product system 

Product characteristics

  • 4x 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 
  • 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 
  • Integrated brake rectifier for motor brake control  
  • 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 

BU0200 - Manual containing installation instructions – NORDAC FLEX (SK 200E series) – Frequency inverters


BU0200 - Manual containing installation instructions – NORDAC FLEX (SK 200E series) – Frequency inverters
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BU0230 - (Supplementary) manual – Functional safety for NORDAC FLEX (SK 200E)


BU0230 - (Supplementary) manual – Functional safety for NORDAC FLEX (SK 200E)
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BU0240 - Manual with installation instructions (brief instructions) – NORDAC FLEX (SK 200E series) – Frequency inverters


BU0240 - Manual with installation instructions (brief instructions) – NORDAC FLEX (SK 200E series) – Frequency inverters
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SI0200 - Manual (safety instructions) – NORDAC FLEX (SK 200E series) – Frequency inverters


SI0200 - Manual (safety instructions) – NORDAC FLEX (SK 200E series) – Frequency inverters
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QS0205 - QuickStart – NORDAC FLEX (SK 2x5E series) – Frequency inverters


QS0205 - QuickStart – NORDAC FLEX (SK 2x5E series) – Frequency inverters
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MI0300 - Manual (migration guide) NORDAC SK 300E to NORDAC FLEX (SK 200E) – Frequency inverters


MI0300 - Manual (migration guide) NORDAC SK 300E to NORDAC FLEX (SK 200E) – Frequency inverters
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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
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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)
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BU0940 - Manual – S7 standard modules for NORDAC frequency inverters


BU0940 - Manual – S7 standard modules for NORDAC frequency inverters
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BU0950 - Manual – TIA standard modules for NORDAC frequency inverters


BU0950 - Manual – TIA standard modules for NORDAC frequency inverters
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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
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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
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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
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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
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BU2500 - (Supplementary) manual – CANopen bus interface for NORDAC PRO, BASE, FLEX and LINK – Frequency inverters


BU2500 - (Supplementary) manual – CANopen bus interface for NORDAC PRO, BASE, FLEX and LINK – Frequency inverters
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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
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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
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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
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AG0100 - Manual (application guide) – Controller optimisation – Frequency inverters


AG0100 - Manual (application guide) – Controller optimisation – Frequency inverters
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AG0101 - Manual (application guide) – Drive optimisation – Frequency inverters


AG0101 - Manual (application guide) – Drive optimisation – Frequency inverters
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AG0104 - Manual (application guide) – System bus – Frequency inverters


AG0104 - Manual (application guide) – System bus – Frequency inverters
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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
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BU0550 - (Supplementary) manual – PLC for NORDAC frequency inverters and motor starters


BU0550 - (Supplementary) manual – PLC for NORDAC frequency inverters and motor starters
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TI70_1901 - Technical information / data sheet – Special device NORDAC FLEX SK 2xxE-...-DC1


TI70_1901 - Technical information / data sheet – Special device NORDAC FLEX SK 2xxE-...-DC1
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TI80 - Technical information – Switch of plug-in EEPROM on NORDAC FLEX (SK 2xxE)


TI80 - Technical information – Switch of plug-in EEPROM on NORDAC FLEX (SK 2xxE)
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TI80_0026 - Technical information – SmartOilChange


TI80_0026 - Technical information – SmartOilChange
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TI80_0037 - Technical information – Plug-in mains connection for NORD products


TI80_0037 - Technical information – Plug-in mains connection for NORD products
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TI80_0045 - Technical information – Functional safety


TI80_0045 - Technical information – Functional safety
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TI800_000000003 - Technical information – Residual currents


TI800_000000003 - Technical information – Residual currents
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TI80_0011 - Technical information – EMC-compliant installation


TI80_0011 - Technical information – EMC-compliant installation
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TI80_0019 - Technical information - Design of the protective earth conductor


TI80_0019 - Technical information - Design of the protective earth conductor
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TI80_0020 - Technical information - Climate classes


TI80_0020 - Technical information - Climate classes
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TI80_0035 - Technical information – Ecodesign and UKCA


TI80_0035 - Technical information – Ecodesign and UKCA
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TI80_0046 - Technical information – Adapters and adapter cables


TI80_0046 - Technical information – Adapters and adapter cables
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E3000 - Catalogue – NORDAC Electronic drive technology


E3000 - Catalogue – NORDAC Electronic drive technology
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C432710 - Declaration of conformity (ATEX) – NORDAC FLEX (SK 200E) – Frequency inverters


C432710 - Declaration of conformity (ATEX) – NORDAC FLEX (SK 200E) – Frequency inverters
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C310700 - Declaration of conformity (EMC) – NORDAC FLEX (SK 200E) – Frequency inverters


C310700 - Declaration of conformity (EMC) – NORDAC FLEX (SK 200E) – Frequency inverters
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C330707

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C350700

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C312700 - Supplier’s Conformity Declaration SK 200E - Australia - ACMA


C312700 - Supplier’s Conformity Declaration SK 200E - Australia - ACMA
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C350900

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F3020 - NORDAC Flex


F3020 - NORDAC Flex
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