SK2404 - Variable speed drive - CONTROL TECHNIQUES

Control Techniques SK2404 Variable Frequency Drive - Commander SK

The variable frequency drive SK2404 belongs to the Commander SK range by Control Techniques. Designed for reliable control of three-phase induction motors, this series meets the needs of maintenance teams, integrators and operators seeking a compact drive that is quick to deploy and easy to configure. The SK2404 integrates into existing automation architectures to regulate speed, optimise energy consumption for variable-torque loads and stabilise repetitive processes. The Commander SK range stands out for its reduced footprint, intuitive connections and accessible parameter logic, which minimise downtime during emergency replacement. Without assuming undocumented values, this model provides the essential functions expected from an industrial AC drive: speed adjustment, management of acceleration and deceleration ramps, drive protection via standard safeguards and energy optimisation of motors across multiple operating scenarios.

Technical specifications

• Référence constructeur : SK2404
• Gamme : Commander SK
• Constructeur : Control Techniques
• Type : AC variable speed drive for three-phase induction motors
• Tension d'alimentation : consult the SK2404 documentation and the unit nameplate to determine the exact applicable range for the model
• Puissance nominale : to be checked on the manufacturer's datasheet for the SK2404 to confirm the kW and HP values
• Courant de sortie nominal : value to be confirmed in the SK2404 technical documentation
• Tension de sortie : depends on configuration and range characteristics; refer to the SK2404 specifications
• Mode de commande : speed control functions of the Commander SK range, including V/f; for details of the modes available on the SK2404, check the manual
• Fréquence de découpage : adjustable parameter within the series; precise value to be confirmed for the SK2404
• Indice de protection : to be validated according to the version and installation environment

Overview of the Commander SK range

The Commander SK series was developed to offer a simple, compact and efficient speed variation solution for three-phase induction motors. It facilitates modernisation of existing installations and retrofitting of obsolete drives while reducing commissioning times. The wiring ergonomics and simplified parameter logic allow rapid restoration of a production axis, even during time-constrained interventions. The range's basic functions cover usual needs: precise speed adjustment, ramp management, drive protection and energy optimisation suited to common industrial loads.

• Designed for general-purpose use : suitable for pumping, ventilation, conveying and simple machine applications, with robust regulation for stable and repeatable regimes.
• Extensions and options : the range offers accessories and interfaces that simplify integration into systems controlled by programmable logic controllers or numerical control, depending on versions and available options. For the SK2404, check compatible modules in the manufacturer's manual.

As a member of the Commander SK family, the SK2404 is a relevant choice when ease of deployment, compactness and energy efficiency prevail, without the need for functions specific to a servo drive focused on position control.

Industrial applications

The SK2404 meets common AC drive requirements across many B2B environments. It is suitable for speed variation of constant- or variable-torque loads, contributing to energy management and process stability. Its fast commissioning and compact size make it a credible replacement option during unexpected downtime, while simplifying phased modernisation projects.

• Process pumps and HVAC : flow adjustment and reduced consumption on quadratic torque profiles.
• Fans and extractors : airflow control and reduced mechanical stresses at startup.
• Conveyors and material handling : belt speed regulation, smooth transitions and simple station-to-station synchronisation.
• Assembly and packaging machines : cadence adjustment, cycle stability and operation on standard architectures.
• Compressors and workshop auxiliaries : service speed management and reduced wear from direct starts.

Integration and communication

The drive is integrated into systems controlled by programmable logic controllers or supervised by line controllers. Depending on the Commander SK configuration, the equipment can interface via standard digital and analog I/O and, where applicable, via communication modules available for the series. For part number SK2404, the exact list of supported physical interfaces and fieldbuses must be verified in the manufacturer's documentation.

Commissioning is designed to be fast: guided setup of essential functions, configuration of acceleration and deceleration ramps, and adjustment of speed setpoints. The objective is to minimise downtime and ensure a reliable transition during replacement or line extension. In the context of centralised control by numerical control or supervision, the exchange of setpoints and status is performed according to the I/O capabilities and options associated with the installed model.

Availability and warranty

Standard Exchange Industry offers part number SK2404 as supply, exchange or repair. Each unit supplied undergoes functional bench testing. Our services include a warranty appropriate to the chosen service. Shipping is provided within 24 to 72 hours to over 120 countries to meet production stop constraints. In case of obsolescence or failure, our technical team assists you to confirm functional compatibility, identify the options required within the Commander SK range and prepare commissioning in your automation environment. For the input voltage, exact power and currents of the SK2404, we recommend consulting the manufacturer's datasheet and the nameplate of the unit already installed, ensuring a compliant and safe replacement within your project.