Commander SK

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Simplicity with Function


PLEASE NOTE: Effective 2019, we no longer supply Control Techniques variable frequency drives and components. We have drives from several other manufacturers which can meet or exceed the performance characteristics of the Control Techniques line. Simply complete the form below, or contact us with the model of your current or obsolete Control Techniques drive and we’ll be glad to identify a suitable replacement.

Obsolete Drive Replacement RFQ-

If you need a replacement for an existing obsolete drive, complete the following form and we will send you a quote for a suitable replacement.

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SPECIFICATION

Environment

  • IP20
  • UL TYPE lor NEMA 1 rating with optional cover + conduit entry kit
  • Ambient temperature -10°C to +40°C @ 3kHz switching
  • Humidity 95% maximum (non-condensing)
  • Electromagnetic Immunity complies with EN61800-3 and EN61 000-6-3 and 4
  • Electromagnetic Emissions complies with EN61800-3 (second environment) as standard. Complies with EN61O00-6-3 (residential) and EN61 000-6-4 (industrial) generic standards with optional footprint EMC filter

Control

  • Open loop vector control, V/Hz
  • Speed or torque control
  • Reference input: 0-1 OV, 0-20mA, 4-20mA, Presets, Pulse, PWM (-10 to + 10V SM-I/O Lite option)
  • Digital I/O – All configurable
    • 4 inputs, not stop, run, jog, 10caVremote (default)
    • 1 I/O zero speed (default)
    • 1 relay drive health (default)
  • Switching frequency: 3kHz (default)
    • 230V: 6, 12, 18kHz
    • 460V: 6, 12kHz
  • Output frequency 0 to 1500Hz
  • Accel and Decel ramps (linear and S type)
  • Positive logic control
  • Serial communication
    • Modbus RTU RS485 via R J45 connector
    • Baud rate 4800, 9600, 19200 or 38400 bits per second
  • DC injection braking as standard
  • Dynamic braking transistor as standard
  • Dynamic motor flux V/Hz for energy saving
  • Quadratic motor flux V/Hz for fan and pump optimization

Protection

  • Undervoltage, Supply and DC Link overvoltage, Phase loss, Drive overload, Instantaneous overcurrent, Short circuit, Ground fault. Drive thermal, Watchdog, Motor thermal

General Characteristics

  • Maximum overload 150% of rated current for 60 sec
  • Intelligent Thermal Management (lTM) optimizes switching frequency
  • 8 preset speeds
  • Flying start
  • Mains dip ride through
  • Automatic no-spin autotune for fast performance optimization
  • Keypad access to all parameters for more demanding applications

Approvals & Listings

UL, cUL
IECCE
UL
ISO 9001 :2000
ISO 14001
UL File Listed 8D14
Meets IEC Vibration, Mechanical Shock and
Electromagnetic Immunity Standards
Low Voltage Directive
UL type 1 with kit
Certified Manufacturing Facility
Certified Manufacturing Facility

DIMENSIONS

Commnader SK AC Drive Dimensions

Drive
Size
w h d
in mm in mm in mm
A 2.95 75 5.5 140 5.71 145
B 3.35 85 7.48 190 6.14 156
C 3.93 100 9.45 240 6.81 173

Information provided by Control Techniques, a world leader in the design, production and marketing of electronic drives for the control of electric motors.