Control Techniques Commander SK Series AC Inverter for 0.37kW (0.5HP) 230V 3 Ph motor in VxF or Sensorless Vector control to 1.3A. Converts fixed frequency three phase 400V input to variable frequency three phase 400V for a standard AC Induction motor.
From October 2017 the CT Commander SK series is no longer available. The manufacturer recommends that customers upgrade to the Unidrive M200. See linked products below for M200 of equivalent rating.
Size B: 85mm Wide x 156mm Deep x 205mm High. IP20
Weight: 1.2kg.
Overload: 150% x 60 seconds
Speed Control Range: 0-1500Hz
Braking: Minimum 100 Ohm, Maximum 3.4kW external resistor (not supplied) - use the 'Which Resistor' button on this page.
1 Analogue Input, 1 Analogue/Digital Input, 4 Digital Inputs, 1 Analogue Output, 1 Digital Input/Output, 1 Relay Contact set, RJ45 port for Modbus.
Input Current: 1.7
Input Voltage: 380-480V Three Phase ±10% at 50-60Hz ±5%
EMC Filters: EN 61800-3:2004 Second Environment (Industrial). Can be disabled using pull-tab.
Wall mount in clean environment or cubicle mount.
Rated 40°C Ambient.
Ventilation space in front: [not specified].
Ventilation space above and below: 100mm.
Ventilation space at sides: 10mm.
Heat Loss at max output: 24W (at rated ambient temperature and default switching frequency).
Mounting via 35mm DIN rail or 4 x holes at rear for M4 screws on 55mm x 190mm centres.
Manufacturer part number is SKB3400037. Replaces Commander SE.
Download the Commander SK Manual and Guides from the links below:-