Description

The ABB UFC921A101 3BHE024855R0101 is a high-performance cabinet-built drive module within ABB’s ACS880 industrial drive series, engineered for precision control of AC motors up to 1,500 kW. Designed for mission-critical applications demanding extreme reliability, this modular drive leverages ABB’s Direct Torque Control (DTC) technology to deliver ±0.1% speed accuracy without encoder feedback. The ABB UFC921A101 3BHE024855R0101 integrates seamlessly into multi-drive systems, supporting common DC bus configurations for regenerative braking energy sharing. Its IP54-rated enclosure features integrated EMC filters, eliminating external harmonic mitigation requirements while withstanding harsh industrial environments with ambient temperatures up to 55°C.

Equipped with embedded safety functions (STO, SS1, SLS certified to SIL 3/PLe), the drive enables machinery safety without external relays. The ABB UFC921A101 3BHE024855R0101’s adaptive cooling technology dynamically adjusts fan speed based on load profiles, extending component life by 30% compared to fixed-speed cooling. Dual Ethernet ports support simultaneous PROFINET and EtherNet/IP communications, enabling real-time control data exchange with PLCs while providing web server access for remote diagnostics via ABB’s Drive Composer software.

ABB UFC921A101 3BHE024855R0101

Technical Specifications

Main Features and Advantages

Advanced Motor Control:
True DTC technology enables the ABB UFC921A101 3BHE024855R0101 to achieve zero-speed full torque performance and 200% starting torque. Adaptive motor identification (AMI) automatically tunes control parameters during commissioning.

Energy Optimization:
Intelligent Eco-Mode reduces magnetizing losses by 30% during light loads. Multi-drive DC bus connectivity recycles braking energy to adjacent drives, cutting energy consumption by up to 20% in crane/hoist applications.

Cyber Protection:
Embedded hardware firewall (IEC 62443-4-2 compliant) with role-based access control and event logging. Secure firmware validation via digital signatures prevents unauthorized modifications.

Predictive Maintenance:
Continuous monitoring of capacitor health, fan performance, and thermal stress. Lifetime prediction algorithms alert users 3+ months before component replacement is needed.

Modular Serviceability:
Hot-swappable control boards and modular power stacks reduce MTTR by 80%. Front-access design eliminates rear clearance requirements.

Application Field

The ABB UFC921A101 3BHE024855R0101 excels in heavy industries requiring robust speed/torque control:

Mining: Controls hoist winders with position-synchronized multi-drive operation (±5mm repeatability)

Marine: Powers azimuth thrusters in dynamic positioning systems with torque limiting during ice impacts

Metals: Synchronizes reversing cold mills at 200% torque reversals in <50ms>

Cement: Regenerative control of 5,000kW ball mills, feeding 40% braking energy back to grid

HVAC: Ultra-quiet operation of centrifugal chillers (55 dB(A) at 1m) via sinusoidal filters

ABB UFC921A101 3BHE024855R0101

Related Products

ABB UAF921A: Control panel with 7″ touchscreen for UFC921A101

ABB NTPC-22: Braking resistor unit (1000kW continuous)

ABB SDCS-COM-4: PROFIBUS DP-V1 communication module

ABB ACS880-07: Chassis version for OEM integration

ABB ACS880-LC: Liquid-cooled variant for compact spaces

ABB 3HAC065297-001: DC link reactor for harmonic mitigation

ABB 3AUA0000060391: Safety relay expansion module

Installation and Maintenance

Pre-installation preparation: Verify foundation load capacity (>10,000 kg for 1.5MW unit). Pre-charge DC bus using ABB’s CHM-10 tool before energizing. Configure motor parameters via Drive Composer offline.

Maintenance recommendations:
Clean air filters monthly in dusty environments. Annually measure DC capacitor ESR using ABB’s CAPTEST kit. Replace cooling fans every 60,000 operating hours. Perform dielectric tests on power cables every 5 years.