SK2203 - Variable speed drive - CONTROL TECHNIQUES

CONTROL TECHNIQUES SK2203 Frequency Drive - Commander SK

The SK2203 frequency drive belongs to the Commander SK range from CONTROL TECHNIQUES, designed for controlling asynchronous motors in industrial environments. Aimed at maintenance teams, integrators and machine builders, it delivers reliable speed modulation and torque control for continuous or cyclic applications. The design focuses on compactness, robustness and ease of use, which facilitates panel integration and restart after a line stop. Guided parameter-setting logic and compatibility with common automation practices ease migration from an existing drive or expansion of an installed fleet. Combined with Standard Exchange Industry services, B2B users benefit from an operational solution—from reconditioned supply to repair—to reduce downtime and extend equipment lifecycle.

Technical specifications

• Manufacturer reference : SK2203
• Range : Commander SK
• Manufacturer : CONTROL TECHNIQUES
• Type : AC speed drive for three-phase asynchronous motors
• Supply voltage : depending on series configuration, single- or three-phase 50/60 Hz, to be confirmed from the nameplate
• Power range : depends on the SK2203 variant, please check the nameplate
• Rated output current : varies by version, to be validated during motor identification
• Output voltage : three-phase at variable frequency, matched to the asynchronous motor
• Control mode : V/f control and, depending on settings, sensorless vector control for improved low-speed stability
• Switching frequency : configurable according to acoustic and thermal requirements, value to be confirmed in the manual
• Degree of protection : typically IP20 for panel mounting, may vary depending on the enclosure and environment

Commander SK range overview

The Commander SK series meets general drive needs in industry, featuring a proven architecture and a large installed base. It targets reliable speed regulation, process energy optimisation and ease of use for maintenance teams. Units in the range share consistent parameter-setting principles, I/O suited to automation and communication options to connect with control systems. This design continuity supports cabinet standardisation, spare parts pooling and operational longevity. Thanks to predictable behaviour across a wide load spectrum, these drives meet productivity, quality and safety requirements typical in manufacturing, packaging or processing workshops.

• Commander SK, general purpose : suited for conveying, pumping, ventilation, mixing and moderate-torque drives, with stable speed regulation and acceleration/deceleration ramp functions
• Extensions and options : I/O modules, communication cards and commissioning accessories to integrate with architectures using a programmable logic controller and numerical control, depending on the selected configuration

This positioning makes the SK2203 suitable for gradual modernisation, corrective maintenance and harmonising drive standards across a site.

Industrial applications

The SK2203 is suited to environments where speed control and cycle repeatability are critical. Its control logic enables precise management of the motor operating point and effective adaptation to load variations, both in continuous operation and sequential modes.

• Conveyors and continuous handling : line synchronization, accumulation, feeding assembly stations
• Pumps and ventilation : flow and pressure adjustment, energy savings via frequency variation
• Bottling and packaging : control of auxiliary drives, steady cycles, smooth transitions
• Intralogistics and light lifting : translation, orientation, lifting at controlled speed according to defined profiles
• Textile, paper and plastics : winding, unwinding, strip tension control with section speed stability

Integration and communication

The drive integrates into automation architectures via its I/O and, depending on options, through communication cards compatible with common fieldbus systems. Protocols such as Modbus, PROFIBUS-DP, CANopen or industrial Ethernet networks can be supported via dedicated modules, depending on series configuration and required data exchange with the PLC.

Commissioning is performed via the local keypad, the manufacturer’s software tool or through the control system, with a menu structure allowing quick adjustment of essential parameters such as ramps, direction of rotation, frequency limits or safety thresholds. This methodology reduces intervention time and simplifies on-site troubleshooting.

Availability and warranty

The SK2203 is offered by Standard Exchange Industry as reconditioned supply or standard exchange, each unit tested on a bench before shipment. A repair service is also available to extend the service life of installed equipment. Shipping in 24 to 72 hours depending on stock and destination, international coverage and warranty of 6 to 24 months depending on the chosen service. Our technical team assists you with identifying the exact reference, assessing compatibility with your motor and defining a controlled replacement strategy in line with your existing automation architectures.