Product Overview & Applications
The ABB GDC801B101 (3BHE051592R0101) is a high-precision Motor Differential Protection Relay engineered for critical fault detection in generators. Utilizing ABB’s patented adaptive algorithms, it delivers ultra-fast response (<20ms) to phase/ground faults while resisting false triggers during inrush currents. Ideal for power plants, wind farms, and marine power systems requiring IEC 61850-compliant protection.
Technical Specifications
- Electrical:
- Input: 100-240V AC ±1% / 24-250V DC
- CT Ratio: 1A/5A programmable
- Frequency: 45-65Hz (±0.01Hz accuracy)
- Protection:
- 87G Differential (20ms operation)
- 64G Stator Ground Fault
- 46 Negative Sequence
- Compliance: IEC 60255, IEEE C37.90, UL, DNV-GL
Industrial Applications
- Hydro/Gas turbine protection in 100MW+ power stations
- Offshore wind turbine generator monitoring
- Marine vessel blackout prevention systems
Our Service Commitment
- ✅ 12-month warranty with 24/7 technical support
- ⏱️ Guaranteed shipment within 24hrs (stocked in EU/US/CN warehouses)
- 🔒 100% authentic ABB components with traceable certifications
Contact Our Protection Relay Expert
Ayla | ABB Certified Engineer
📞 +86 191 2922 4926 (Tel/WeChat)
Guangzhou Qiming Automation Technology Co., Ltd. – Authorized distributor for ABB, Bentley Nevada, and Honeywell since 2008. All products come with original manufacturer warranty.








There are no reviews yet.