Main Features

Manufacturer: Getriebebau NORD GmbH & Co. KG (NORDAC PRO series)
Model/MPN: SK 500E‑221‑323‑A‑ERS, internal part number 275410220
Power Rating: 2.2 kW (~3 HP) with output current ~9.5 A RMS
Supply Voltage: 200–240 V AC, both single-phase and three-phase (±10 %) at 47–63 Hz
Control Technology: Sensorless current vector control (ISD) with encoder interface support (HTL), position control (POSICON), and brake chopper functionality
Integrated I/O & Interfaces:
- 5 digital inputs, 2 digital outputs, 2 relays
- 2 analogue inputs, 1 analogue output
- RS‑232/RS‑485 communications (USS/Modbus RTU)
Safety & Bus Support: Built-in STO/SS1 safety functions, optional CANopen via extension
Cooling & Enclosure: IP20 cabinet mounting; available in Cold-Plate/external heatsink variants for efficient thermal management
Certifications: CE, RoHS, UL, EAC; complies with EN 61800-3 EMC, supports secure stop per EN 954‑1 Cat. 4

NORD – SK 500E-221-323-A-ERS (275410220) – NORDAC PRO Cabinet Mount Inverter