ABB 3200A Air Circuit Breaker E3N 3200 PR121/P-LI In=3200A 3p F HR – Advanced Power Protection Solution

1. Executive Summary

The ABB E3N 3200 PR121/P-LI In=3200A 3p F HR represents the pinnacle of ABB's SACE Emax series, delivering ultra-high current protection for mission-critical power distribution systems. Designed for heavy industrial, data center, and utility applications, this 3200A fixed-mounted breaker combines cutting-edge protection algorithms with unmatched mechanical robustness, setting new standards in electrical safety and system reliability.

2. Technical Specifications at a Glance

3. Revolutionary Features

3.1 Intelligent Protection System (PR121/P-LI)

• Adaptive Protection Logic: Automatically adjusts tripping characteristics based on load profile

• Four-Level Protection Zones:

  • Long-time delay (L) with I²t ON/OFF selection

  • Short-time delay (S) with adjustable threshold

  • Instantaneous protection (I)

  • Ground fault protection (G)

• Light (LI) Curve Optimization: Enables 8% faster tripping compared to standard curves while maintaining selectivity

3.2 Advanced Connectivity & Smart Grid Integration

• Ekip Touch Ready: Supports touchscreen interface for real-time parameter adjustment

• Energy Metering Class 1: Compliant with IEC 61557-12 for precise energy monitoring

• Cybersecurity Features: IEC 62351-compliant communication protocols

3.3 Mechanical Innovations

• Patented Arc Chute Design: 12-segment arc divider system for 40% faster arc extinction

• Contact Wear Indicator: Visual and digital alerts for predictive maintenance

• Vibration-Resistant Construction: Withstands 5-200Hz vibrations per IEC 60068-2-6

4. Competitive Advantages

5. Application-Specific Benefits

5.1 Heavy Industry Applications

• Motor Protection: Special algorithms for high-inrush current applications

• Transformer Protection: Harmonic immunity up to 50th order

• Capacitor Bank Switching: 10,000 A peak current withstand capability

5.2 Data Center Solutions

• Selective Coordination: Guarantees <100ms fault clearance for Tier IV requirements

• Power Monitoring: Class 0.5S accuracy for PUE optimization

• Hot-Swappable Trip Units: Enables live maintenance without downtime

5.3 Renewable Energy Systems

• Reverse Current Protection: Special setting group for PV backfeed scenarios

• DC Component Handling: Manages up to 80% DC offset in fault currents

• Grid Code Compliance: Pre-programmed curves for IEEE 1547-2018

6. Performance Benchmarking

7. Compliance & Environmental

• Extended Temperature Certification: Operates reliably from -40°C to +70°C

• Marine Certification: DNV GL, ABS, LR, and BV approvals

• Seismic Rating: IEEE 693 compliant (High Level)

• Sustainability: Carbon footprint 15% lower than previous generation

8. Conclusion

The ABB E3N 3200 PR121/P-LI redefines expectations for ultra-high current circuit protection, delivering unprecedented intelligence, reliability, and efficiency. Its adaptive protection algorithms, combined with cyber-secure communication and predictive maintenance capabilities, make it the optimal choice for next-generation power systems.

With 65kA breaking capacity at 690V and industry-leading selectivity, this breaker ensures maximum system uptime while reducing total cost of ownership through its energy-efficient design and extended service life.

For mission-critical applications demanding the highest levels of performance and innovation, the E3N 3200 stands as the definitive solution in high-current circuit protection technology.