ABB DCF804-0050 DC Drives

ABB DCF804-0050 Field Exciter Unit
Brand: ABB
Model: DCF804-0050, Order No. 3ADT209026R0002
Product Name: DCF804-0050 Four-Quadrant External Field Exciter for DCS880 DC Drives
Place of Origin: Sweden
HS Code: 85044095
Technical Specifications
Overall dimension: 370 mm × 345 mm × 125 mm (Height × Width × Depth).
Net weight: approximately 9.6 kg.

Input supply voltage range: 110–500 VAC, 50/60 Hz.
Output field voltage and current matched for standard DCS880 drive configurations.
Cooling method: natural convection cooling with metal housing heat dissipation.
Protection rating: IP20, designed for installation inside electrical control cabinets.
Operating ambient temperature range: 0 °C to +55 °C under continuous rated operation.
Storage and transportation temperature range: -25 °C to +70 °C.
Allowable relative humidity: 5% to 95% non-condensing.
Built-in comprehensive protection including overcurrent protection, over-temperature protection and thyristor fault monitoring.
Equipped with status indicator LEDs for operational state and fault diagnosis.
Key characteristics include four-quadrant reversible field current control, high precision closed-loop field regulation, stable performance under fluctuating mains voltage, compact integrated construction to simplify cabinet wiring, reliable thyristor power stage, strong anti-electromagnetic interference capability compliant with industrial EMC standards, perfect compatibility with DCS880 series DC drive systems, convenient maintenance and component replacement, and compliance with CE industrial safety certifications for long-term heavy-load continuous operation.