ABB REF620 NBFNAANNNDA1BBN1XF – High Performance Digital Protection Relay
The ABB REF620 NBFNAANNNDA1BBN1XF delivers advanced protection for generators and motors in demanding industrial environments. Engineered for seamless power system integration, this relay provides critical fault detection with precision monitoring capabilities to ensure operational continuity.
Type: Protection Relay
Manufacturer: ABB
Model: REF620
Variant: NBFNAANNNDA1BBN1XF
Communication: RS485 Modbus RTU, Ethernet TCP/IP
Voltage Range: 100-250V AC/DC
Rated Current: 5A
Frequency: 45-65Hz
Protection Functions: Overload, Short Circuit, Earth Fault
Display: Backlit LCD
Rating: IP65
Dimensions: 180×220×135mm (W×H×D)
Weight: 2.5kg
This industrial-grade relay features comprehensive protection including overcurrent, differential, and thermal overload safeguards. Its rugged construction withstands extreme temperatures and harsh conditions while maintaining operational accuracy. The modular design enables flexible installation in space-constrained panels with multiple communication protocols (Modbus, Profibus) for real-time data exchange and remote diagnostics.
Ideal for power generation plants, manufacturing facilities, and critical infrastructure, the REF620 ensures electrical system integrity with IEC-certified compliance.
About Stoker Automation Technology: With 20+ years of industrial expertise and a 5000m² warehouse, we supply premium automation components across metallurgy, energy, manufacturing, and process industries. Our inventory includes PLC/DCS modules, servo systems, and specialized industrial controls.
Our Commitment:
- ✓ 2-year warranty on select products
- ✓ Technical pre-sales consultation
- ✓ Expedited global shipping
- ✓ Sourcing for obsolete components
Need custom solutions? Contact us via WhatsApp for immediate support or email abbdcs36@gmail.com.
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