02.S4.R2E-3002 KEB
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The KEB 02.S4.R2E-3002 is part of the S4 Combivert Servo Controllers series and has a rated speed of 3000 rpm. It operates at a line frequency of 50/60 Hz and fits the 200 V voltage class. This servo controller features IP20 protection and works in temperatures from -10 to +45 degrees Celsius with self-ventilation.
Internal Product Review
The 02.S4.R2E-3002 is a KEB S4 Combivert servo controller with a 200 V class rating and 50/60 Hz ±2 Hz line frequency. IP20 protection and self-ventilated cooling support dependable cabinet integration and consistent thermal behavior in motion applications. Operation from -10 to +45 °C makes the unit a strong choice for stable servo control in industrial service.
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Product Description:
The 02.S4.R2E-3002 is a servo controller from KEB, produced within the S4 Combivert Servo Controllers series. Designed for industrial automation, the unit interfaces between a line supply and the stator windings of synchronous or induction motors, modulating voltage and frequency to achieve closed-loop speed and torque control. By converting fixed line power into variable output, it allows machinery builders to match motor performance to process demands without mechanical gear changes or hydraulic throttling. This supports accurate motion in conveyors, indexing tables, packaging axes, and other equipment that depends on repeatable speed changes.
Electrical parameters position the controller for low-voltage machinery. Its input section is rated for the 200 V class, so it connects directly to 3-phase networks in that range without an autotransformer. The unit accepts incoming line power at 50/60 Hz ±2 Hz and rectifies it before generating a pulse-width-modulated output for the motor. The drive can sustain motor shaft feedback up to 3000 rpm, aligning with standard servo motor base speeds. The enclosure has an IP20 protection rating, so installation is limited to switch cabinets with controlled airflow. Continuous operation is permitted between -10 to +45 °C, allowing placement near machine frames that experience moderate heat.
Environmental limits address storage, transport, and elevated installations. Internal cooling uses a self-ventilated airflow path, so external blowers are not required, but clearance must be left for exhaust air. Operation is supported up to 2000 m; above that level, the output current must be reduced by 1%/100 m according to the altitude derating rule. Climatic category 3K3 places the controller in sheltered industrial spaces where occasional condensation may occur. When the controller is de-energized, it withstands ambient temperatures from -25 to +70 °C during shipping or warehouse storage.
