04.S4.D4E-3012 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 04.S4.D4E-3012 is a servo controller from the S4 Combivert Servo Controllers series with a supply voltage of 400 V and a resolver feedback type. This unit features self-ventilated cooling, an IP20 protection rating, and supports a motor nominal speed of 3000 rpm. Its dimensions measure 240 mm in height, 90 mm in width, and 160 mm in depth.
Internal Product Review
The 04.S4.D4E-3012 is a KEB S4 Combivert servo controller with 400 V supply and resolver feedback. Self-ventilated cooling and IP20 protection support stable cabinet installation and consistent drive performance. Excellent fit for precise motion systems built around 3000 rpm motors.
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Product Description:
The 04.S4.D4E-3012 is a servo controller produced by KEB for the S4 Combivert Servo Controllers series. Installed between the mains supply and a servo motor, the module converts constant-frequency three-phase power into a variable output that matches motion commands from higher-level PLCs. Resolver feedback is interpreted internally, allowing the unit to close the velocity and position loop required in pick-and-place systems, conveyors, and other industrial axes that depend on precise dynamic regulation.
The controller is powered from a three-phase line at 400 V, a rating that suits common plant distribution panels and sets the required insulation spacing. The inverter section is dimensioned to drive motors whose nominal speed reaches 3000 rpm, so drive parameters are matched to typical servo applications. Thermal management relies on a self-ventilated design that moves air through the heat sink without auxiliary fans, reducing maintenance points. The housing carries an IP20 protection code, which shields live parts from finger contact while requiring installation inside a closed cabinet. Relative humidity can reach 95% within the 3K3 climatic category, provided condensation is avoided during normal factory temperature swings.
Operation is specified up to 2000 m above sea level, so derating is unnecessary for most ground-level installations. The enclosure measures 90 mm wide, 240 mm high, and 160 mm deep, which gives the unit a compact rectangular form for cabinet mounting. Housing design D places the IG-IO interface on the front edge, giving direct access to digital and analog signals without changing the airflow path through the ventilated fins. Four mounting slots accept machine screws through 5 mm holes, which simplifies attachment to panel sheet metal and helps maintain ground continuity. The cabinet layout should leave enough clearance for wiring access and steady airflow around the housing.
