ABB 3BHE039426R0101 UFC912A101 – Universal Frequency Converter
The ABB 3BHE039426R0101 UFC912A101 is a variable frequency drive (VFD) designed for precise motor speed control in industrial applications. Part of ABB’s ACQ580/UFC series, it optimizes energy efficiency, reduces mechanical stress, and enhances process control in systems such as pumps, fans, compressors, and conveyor belts.
Technical Parameters
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Category
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Specification
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Power Rating
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1.5–250 kW (depends on voltage and motor type)
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Input Voltage
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380–500 V AC (±10%), 3-phase, 50/60 Hz
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Output Voltage
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0–100% of input voltage, 3-phase sinusoidal PWM
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Frequency Range
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0–500 Hz (adjustable)
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Control Methods
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Scalar (V/f), sensorless vector, flux vector control
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Communication Protocols
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Modbus RTU, PROFIBUS DP, Ethernet/IP, BACnet (optional)
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I/O Interfaces
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4 analog inputs, 2 analog outputs, 6 digital inputs, 3 relay outputs
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Efficiency
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>97% (typical at full load)
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Protection Features
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Overcurrent, overvoltage, undervoltage, short-circuit, motor overtemperature
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Operating Temperature
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-10°C to +50°C (derating required above 40°C)
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Enclosure Rating
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IP21 (standard), optional IP54/55
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Certifications
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CE, UL, cUL, RoHS, IEC 61800-3
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Functional Features
- Adaptive Motor Control
- Sensorless Vector Control: Delivers high torque at low speeds without feedback devices.
- Energy Optimization: Automatically adjusts motor speed to match load requirements, reducing energy consumption.
- Advanced Process Integration
- PID Controller: Built-in proportional-integral-derivative control for pressure, flow, or temperature regulation.
- Pump & Fan Control: Pre-programmed curves to prevent cavitation, water hammer, and mechanical stress.
- User-Friendly Interface
- LCD Keypad: Local programming, real-time monitoring (current, voltage, frequency, power).
- ABB Drive Composer: PC-based tool for parameter configuration and diagnostics.
- Diagnostics & Safety
- Fault history log with timestamps and root-cause analysis.
- Safe torque off (STO) compliance with SIL 3 (IEC 61508) for emergency shutdown.
- Communication & Networking
- Seamless integration with PLCs, SCADA, and DCS via industrial protocols (e.g., PROFIBUS, Modbus).
- Optional Ethernet module for remote monitoring and control.
- Mechanical Resilience
- Robust design for harsh environments (dust, humidity, vibration).
- Optional filters for harmonic mitigation (THiD <5%).
Typical Applications
- HVAC Systems: Control of fans, pumps, and compressors in commercial buildings.
- Water/Wastewater: Variable speed pumping for energy savings and process stability.
- Mining & Cement: Conveyor belt speed regulation and crusher motor control.
- Oil & Gas: Pipeline pumping and compressor drives.
Compliance & Standards
- EMC: IEC 61800-3 (electromagnetic compatibility).
- Safety: IEC 61508 (SIL 3), ISO 13849-1 (PL e).
- Environmental: RoHS, WEEE.
Conclusion
The ABB 3BHE039426R0101 UFC912A101 is a versatile and energy-efficient frequency converter designed to enhance motor-driven processes across industries. Its combination of adaptive control algorithms, industrial communication, and robust protection features ensures reliable operation while reducing energy costs and mechanical wear. Integrated with ABB’s ecosystem, it is a key enabler of smart automation and sustainability in modern industrial applications.
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