05.S4.D11-3270 KEB
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The KEB 05.S4.D11-3270 is part of the S4 Combivert Servo Controllers series and features a peak current of 14.8 Amps for 600 ms and a rated output current of 6.4 Amps. This unit is housed in an IP20 enclosure, supports a maximum altitude of 2000 meters, and has dimensions of 240 mm height, 90 mm width, and 160 mm depth. It can operate with a maximum humidity of 95 percent and dissipates 75 Watts of heat.
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Product Description:
The 05.S4.D11-3270 servo controller is manufactured by KEB as part of the S4 Combivert Servo Controllers series. It functions as a compact power interface that converts fixed-frequency mains power into a controlled three-phase output for brushless servo motors. This conversion enables precise speed and torque regulation in automated production cells, packaging stations, and material-handling axes.
The drive delivers a continuous phase current of 6.4 A, matching typical mid-frame servo motors used on indexing tables and light gantries. During rapid acceleration, the current may rise to 14.8 A for 600 ms, so the connected power supply and cabling must support the transient demand. A programmed overload limit of 2.3 I/Id0 prevents thermal saturation while providing sufficient headroom for short duty peaks. Internally, the switching devices and gate drivers dissipate 75 W, and the surrounding control cabinet cooling system must remove this heat. The housing has an ingress protection rating of IP20, which allows installation inside an enclosure but requires ambient air that is free of conductive dust and dripping liquids.
The maximum operating altitude is 2000 m, allowing the output stage to operate without altitude-related derating within this limit. Relative humidity can reach 95% in accordance with climatic category 3K3, provided condensation is prevented. Cabinet space must accommodate the unit’s 160 mm depth and the required clearances around the heat sink, while the frontal footprint is limited to a 90 mm width and a 240 mm height. Two 5 mm mounting holes support panel attachment. Control wiring requires a minimum conductor cross-sectional area of 1.5 mm², and the integrated PTC sensor input accepts a cold resistance of up to 400 Ω for motor temperature monitoring.
