Product Overview
The ABB UFC721BE101 3BHE021889R0101 is a cutting-edge relay protection device designed for critical power system applications. Engineered with industrial-grade reliability, it features advanced fault detection algorithms and real-time monitoring capabilities to ensure optimal equipment protection in substations, power grids, and industrial facilities.
Technical Specifications
- Rated Voltage: 220V AC/DC ±20%
- Frequency Range: 30kHz ±5%
- Processor: 32-bit RISC core @ 200MHz
- Memory: 512MB Flash + 256MB RAM
- Communication: Dual Ethernet (10/100M), RS485, USB 2.0
- Protocols: IEC 61850, Modbus TCP/RTU, DNP3.0
- Operating Temp: -25°C to +70°C
- Protection Class: IP54 (front panel)
Key Applications
- Generator differential protection
- Transformer management systems
- Feeder and busbar protection
- Industrial process automation
- Renewable energy integration
Our Commitment
As certified partners of ABB, Honeywell, and Bentley Nevada, Guangzhou Qiming Automation guarantees:
- ✅ 100% Genuine Products with Traceable Certification
- ⚡ 24-Hour Global Shipping from ISO-Certified Warehouse
- 🔧 12-Month Comprehensive Warranty
- 📦 Adequate Stock for Emergency Replacement
Can’t find your model? Contact our engineers for customized solutions.
Contact Expert
📞 Tel/WeChat: +86 191 2922 4926
💬 WhatsApp: Direct Chat
🌐 Skype: live:.cid.3d1b1e5747c071eb
📧 E-mail: Ayla082209@gmail.com









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