About Guangzhou Qiming Automation
As an authorized partner of ABB, Honeywell, and Bentley Nevada, Guangzhou Qiming Automation Technology Co., Ltd specializes in supplying 100% authentic industrial automation components with ISO-certified quality assurance.
Core Features & Applications
The ABB APBU-44C (P/N:64669982) serves as the critical communication hub in excitation systems, enabling real-time data exchange between AVR control cabinets, thyristor rectifiers, and monitoring devices. Its MIL-STD-810G certified design ensures reliable operation in harsh power generation environments.
Technical Parameters
- • Communication Protocol: Modbus RTU/TCP
- • Operating Voltage: 24VDC ±10%
- • Isolation Voltage: 2500Vrms
- • Operating Temp: -40°C to +85°C
- • DIN Rail Mounting
- • Dimensions: 120×80×45mm
Key Applications
- • Hydroelectric generator excitation systems
- • Thermal power plant voltage regulation
- • Wind turbine control cabinets
- • Industrial motor drive systems
Our Commitment
- ✅ 12-month warranty with traceable serial numbers
- ✅ 24-hour global shipping via DHL/FedEx
- ✅ 1000+ units in stock (Shenzhen bonded warehouse)
- ✅ Original manufacturer certification provided
Contact Our Experts
📞 Ayla | Technical Consultant
Tel/WeChat: +86 191 2922 4926
WhatsApp: Start Chat
Skype: live:.cid.3d1b1e5747c071eb
📧 Email Technical Drawings









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