14.G6.C3B-3910 KEB
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The KEB 14.G6.C3B-3910 is part of the G6 Combivert IO Inverters series and offers both analog and digital control types. It features 8 digital inputs, 2 analog inputs, 2 relay outputs, and a ventilated convection cooling method. The inverter has a weight of 2.5 kg, dimensions of 90 mm width by 269 mm height by 200 mm depth, and supports an overcurrent cut-off of 216%.
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Product Description:
The 14.G6.C3B-3910 inverter is produced by KEB for the G6 Combivert IO Inverters series. It is a compact AC drive that converts fixed-frequency mains power into variable-frequency output so controllers can regulate induction motor speed in automated machinery. Integrated field-level inputs and outputs position the unit as an interface between a PLC and the motor, providing speed control, protection, and feedback in one enclosure.
The unit has 8 digital inputs for limit switches or start-stop commands and 2 analog inputs that track setpoint voltages or currents. Two digital and two analog outputs return process variables, while two relay outputs supply isolated run and fault contacts. The drive stores eight parameter sets for rapid recipe changeover, and its control scheme combines analog and digital processing with a switching frequency of 4 kHz for fine torque resolution. Current protection is layered to accommodate both severe faults and brief acceleration demands. An overcurrent cutoff of 216% stops the inverter during severe faults, whereas a short-time current limit of 180% permits brief torque surges during acceleration. Thermal management relies on ventilated convection, and the flat rear heat-transfer surface mates directly to the panel wall to move heat away from internal components.
Installation space is minimized by a width of 90 mm and a depth of 200 mm; the height of 269 mm aligns with common 300 mm cabinet tiers. With a mass of 2.5 kg, the unit can be mounted without additional supports, and its low mass places little load on DIN rails. The rectangular footprint aligns with busbars, helping simplify power distribution inside the enclosure. The flat rear plate distributes thermal losses into the enclosure, so auxiliary fans are seldom required. Its narrow housing also leaves more lateral space for adjacent control equipment and the cable-routing clearances needed around power and signal terminals.
