KEB 21F5C0R-950A – COMBIVERT F5 Compact Frequency Inverter Drive
The KEB 21F5C0R-950A (Model: COMBIVERT 21.F5.C0R-950A) is a high-power 45 kW industrial frequency inverter drive designed for demanding open-loop and closed-loop motor control applications. Operating on a 400 V 3-phase AC power supply with a rated output current of 90 A, this COMBIVERT F5 Compact series unit combines heavy-duty dynamic performance, integrated dynamic braking, and efficient heat dissipation within a Frame R enclosure layout.
Technical Specifications & Key Features
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Manufacturer: KEB (Karl E. Brinkmann GmbH)
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Order Number / Part Number: 21F5C0R-950A (21.F5.C0R-950A)
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Product Series: COMBIVERT F5 Compact
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Input Voltage: 3-Phase 400 V AC (305…500 V AC)
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Rated Output Power: 45.0 kW (60 HP)
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Rated Output Current: 90.0 A
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Control Mode: Open-loop / Closed-loop vector control and V/Hz speed regulation
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Housing Size: Frame Size R (IP20 cabinet enclosure)
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Cooling Type: Heat sink air cooling with integrated high-capacity fan assembly
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Braking Module: Integrated braking transistor (brake chopper)
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Protection Functions: Short-circuit, overcurrent, overvoltage, undervoltage, phase failure, earth fault, and thermal motor overload protection
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Operating Temperature Range: -10 °C to +45 °C
Industrial Applications & Performance
High-Power Dynamic Control & Speed Regulation
The KEB 21F5C0R-950A variable frequency drive provides outstanding low-speed torque control and fast dynamic speed response under heavy continuous loads. Its advanced power electronics optimize energy efficiency while maintaining tight motor speed regulation across high-output production machinery.
Frame R Heatsink Design & Dynamic Braking
Featuring an engineered Frame R enclosure with integrated forced-air fan cooling, the 21F5C0R-950A ensures stable operating temperatures during prolonged heavy-duty operations. The built-in dynamic braking transistor enables fast deceleration and precise stopping when connected to external braking resistors, making it ideal for plastics extruders, industrial centrifuges, large mixers, heavy-duty material handling systems, and high-power spindles.
Commercial Assistance & Supply Chain Availability
At Atlantech Drives, we deliver high-level commercial assistance to ensure you secure authentic KEB frequency inverters and replacement power electronics 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.
