12.56.25A-3389 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 12.56.25A-3389 belongs to the F5 Combivert Axis Drives series and has a rated power of 6.6 kVA with a rated current of 9.5 Amps. The drive features a general maximum motor power of 5 HP, has a protection rating of IP00, and weighs 7.0 kilograms. It is designed with three input phases and includes installed accessories such as a braking transistor and power factor control.
Internal Product Review
The 12.56.25A-3389 is a KEB F5 Combivert axis drive with 6.6 kVA rated power and 9.5 A rated current. Integrated braking transistor and power factor control give the drive a well-engineered edge in demanding motion applications. IP00 protection supports enclosed cabinet use, and the 5 HP motor capacity is a strong spec for compact axis systems.
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Product Description:
The 12.56.25A-3389 axis drive module is produced by KEB for the F5 Combivert Axis Drives series. Designed for installation inside open control panels, this three-phase inverter manages the speed and torque of AC motors used in material-handling, packaging, and general automation cells. The unit forms the interface between mains power and motion hardware, coordinating acceleration and deceleration through its onboard power electronics. Its three-phase design supports controlled motor operation across changing production loads.
The drive is rated for a continuous apparent power of 6.6 kVA at a line current of 9.5 A on the three-phase supply bus. Motors drawing up to 5 HP can be connected without derating, provided that the branch circuit is protected by a 20 A mains fuse. Thermal regulation relies on a fan that moves 0.5 m³/min of air through housing form factor A. This airflow must remain unobstructed, requiring 50 mm of side clearance and 100 mm of top clearance. The mechanical outline follows inverter size code 12, and enclosure mounting calls for an IP54 cabinet with at least 2.0 m² of external surface area.
The pluggable control and feedback terminals have IP00 protection, so a sealed cabinet is necessary where dirty or conductive dust is present. The analog reference channel supplies a stable 10 V, while the serial interface provides 5 V at 50 mA for external logic. A separate 15 V rail delivers 100 mA to encoders that transmit position data through a UVW interface. Auxiliary status lines use TTL signal levels for direct connection to PLC inputs. A braking transistor and power-factor control hardware are installed, and the power terminals accept copper conductors as small as 2.5 mm². The assembly weighs 7.0 kg, which reduces the load placed on the mounting panel and makes the unit easier to handle during installation.
