KEB 12F6K12-3A11 – COMBIVERT F6 Compact Frequency Inverter & Servo Drive
The KEB 12F6K12-3A11 (Model: COMBIVERT 12.F6.K12-3A11) is a high-performance 4.0 kW industrial frequency inverter and servo drive controller from the COMBIVERT F6 series. Operating on a 400 V 3-phase AC power supply with a rated output current of 9.5 A, this Compact format drive combines flexible universal motor control, multi-protocol real-time Ethernet connectivity, multi-encoder feedback, and Safe Torque Off (STO) functional safety within a compact IP20 panel-mounted enclosure.
Technical Specifications & Key Features
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Manufacturer: KEB (Karl E. Brinkmann GmbH)
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Order Number / Part Number: 12F6K12-3A11 (12.F6.K12-3A11)
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Product Series: COMBIVERT F6 Compact
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Input Voltage: 3-Phase 380…480 V AC (400 V nominal)
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Rated Output Power: 4.0 kW (5.5 HP)
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Rated Output Current: 9.5 A
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Control Modes: Open-loop / Closed-loop control for induction, permanent magnet synchronous, IPM, and synchronous reluctance motors (including ASCL/SCL encoderless operation)
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Encoder Interface: Multi-encoder interface supporting standard industrial feedback systems
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Communication Interfaces: Flexible real-time Ethernet (EtherCAT, PROFINET, POWERLINK, EtherNet/IP) and CAN / diagnostic interfaces
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Integrated Safety: Safe Torque Off (STO) functional safety
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Braking Module: Integrated GTR7 brake transistor with dynamic brake control
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Cooling Type: Forced-air heatsink cooling with integrated fan assembly
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Enclosure / Mounting: IP20 protection rating for control cabinet panel mounting
Industrial Applications & Performance
Universal Motor Control & Encoder Feedback Flexibility
The KEB 12F6K12-3A11 drive controller supports versatile motor operational modes across induction, permanent magnet synchronous, IPM, and reluctance motors. Supported by multi-encoder evaluation and advanced ASCL/SCL sensorless control algorithms, it delivers precise speed holding accuracy, position control, and dynamic torque regulation across demanding speed ranges.
Integrated STO Safety & Real-Time Industrial Ethernet
Built on KEB’s flexible F6 platform, the 12F6K12-3A11 optimizes panel space through native real-time Ethernet fieldbus support alongside onboard Safe Torque Off (STO) safety. With integrated motor thermal evaluation (PTC/KTY/PT1000) and heavy-duty brake transistor control, it is ideal for machine tools, plastic processing machines, automated packaging systems, materials handling, and high-dynamic servo drives.
Commercial Assistance & Supply Chain Availability
At Atlantech Drives, we deliver high-level commercial assistance to ensure you secure authentic KEB COMBIVERT F6 drive controllers and industrial automation hardware without delay.
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Stock Status: In stock and ready to ship.
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Fast Shipping: Global express delivery options available to prevent operational plant downtime.
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Request a Quote: Contact our specialized commercial team today for fast unit pricing and immediate order dispatch.
