About Us
Guangzhou Qiming Automation Technology Co., Ltd. is an authorized partner of industry leaders including Bentley Nevada, Honeywell, and ABB. We specialize in delivering premium industrial automation solutions with expert technical support.
ABB RED670: High-Performance Line Differential Relay
The ABB RED670 is a cutting-edge line differential protection relay designed for critical power system applications. Featuring advanced fault detection algorithms and IEC 61850 compatibility, it ensures ultra-fast (<20ms) fault clearance and system stability in transmission networks up to 420kV.
Technical Specifications
- Rated Voltage: 24-250V DC/100-240V AC
- Operating Temperature: -25°C to +70°C
- Communication: IEC 61850-8-1, IEC 60870-5-103
- Protection Functions: Differential, Overcurrent, Thermal
- Dimensions: 177x190x150mm (WxHxD)
Key Applications
- High-voltage transmission line protection
- Smart grid automation systems
- Renewable energy integration
- Industrial power distribution networks
Our Commitment
- ✅ 1-Year Comprehensive Warranty
- ✅ 24-Hour Shipment Guarantee
- ✅ 100% Genuine Products
- ✅ Customized Technical Support
Contact Our Experts
📞 Ayla
Tel/WeChat: 191 2922 4926
WhatsApp: +86 191 2922 4926
Skype: live:.cid.3d1b1e5747c071eb
✉️ Ayla082209@gmail.com










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