Description
The ABB DCF803-0035 is an external field exciter drive designed to control the field current of DC motors. It supports three-phase AC input ranging from 110 to 500 VAC and provides up to 35 A output at a voltage of 0–500 VDC. This open-type drive is suitable for industrial applications requiring precise field regulation for DC drive systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
ABB |
| Category |
|
| Part Number |
DCF803-0035 |
| Subcategory |
Field Exciter |
| Input Voltage Range |
110–500 VAC (3 Phase)
|
| Input Frequency |
50/60 Hz
|
| Output Voltage |
0–500 VDC
|
| Output Current |
35 A
|
| Drive Type |
External Field Exciter
|
| Enclosure Type |
Open Type
|
| Protection Rating |
IP00 |
| Mounting |
Panel Mount |
| Cooling Method |
Natural Convection |
| Series |
DCF800 |
| Weight |
4 kg (9 lbs) |
Information About DCF803-0035
The DCF803-0035 is a field supply unit in ABB's DCF800 series, built for compatibility with a wide range of DC drives. It features an open-frame design with IP00 protection and supports input voltages from 110 to 500 VAC at 50/60 Hz. The module supplies up to 35 A of field current, making it suitable for demanding motor control environments. Designed for panel mounting, it integrates seamlessly with ABB automation systems or third-party equipment.
Key Features:
- External Field Exciter: Provides accurate field current regulation for DC motor drives.
- 35 A Output Capacity: Supplies up to 35 A continuous field current.
- Wide AC Input Range: Operates from 110–500 VAC at 50/60 Hz.
- Single or Three-Phase Operation: Supports flexible power supply configurations.
- DCSLink Communication: Integrates directly with compatible ABB DCS drive systems.
- Half-Controlled Bridge: Uses a thyristor/diode bridge with single-quadrant operation.
- Microprocessor Control: Enables precise field excitation and diagnostic capabilities.
- Industrial Open-Type Design: Designed for installation in electrical control cabinets.
The DCF803-0035 delivers the reliability and precision required for industrial DC motor field excitation and high-performance drive control systems.
