Order now the 20BC056A0AYNANC0, a high-capacity 56 Amp PowerFlex 70 drive designed for heavy-duty 30kW motor control and energy-intensive industrial processes.
What Is the 20BC056A0AYNANC0?
The 20BC056A0AYNANC0 is a powerful Variable Frequency Drive (VFD) from the Allen-Bradley PowerFlex 70 series, specifically rated for 400V/480V three-phase systems. With a continuous output of 56 Amps, this drive provides approximately 30 kW (40 HP) of power, making it a critical component for large-scale industrial machinery like extruders, heavy-duty mixers, and high-volume fluid pumps. The PowerFlex 70 series is highly regarded for its balance of power and compactness. This specific part number includes an IP20 (NEMA 1) enclosure and a blank cover, optimized for automated systems where all control and parameterization are handled via an industrial network rather than a local keypad.
Key Technical Specifications
- Input Voltage: 400V-480V AC, 3-Phase
- Continuous Output Current: 56A
- Power Rating: 30 kW (40 HP)
- Enclosure Rating: IP20 / NEMA 1
- Internal Brake: IGBT included
- Protection: Ground fault, short circuit, and motor overload
Advanced Power Management and Control
The 20BC056A0AYNANC0 is built to handle the significant electrical stresses of a 30kW load. Its internal DC bus is supported by high-grade capacitors and a robust bridge rectifier. The drive includes sophisticated protection algorithms, such as «Bus Regulated Deceleration,» which automatically adjusts the deceleration rate to prevent DC bus overvoltage faults. For safety-critical environments, this model’s Enhanced Control allows for high-precision torque loops and superior speed regulation, ensuring that even under fluctuating loads, the motor maintains the programmed velocity with minimal error.
Expert Tips
For a 56A drive like the 20BC056A0AYNANC0, heat dissipation is the most important maintenance factor. If installed in an enclosure, ensure active cooling is utilized to keep the ambient temperature below 40°C. We also recommend using a 3% or 5% line reactor on the input side to protect the drive from power line disturbances and to reduce harmonic distortion. Periodically verify the tightness of the power terminal connections, as thermal cycling in a 30kW system can eventually lead to loose contacts and localized heating.
Frequently Asked Questions
Q: What is the maximum distance between the 20BC056A0AYNANC0 and the motor?
A: While it depends on the cable type, distances up to 100 meters are supported, though you should use an output reactor for runs over 30 meters to protect the motor insulation from voltage spikes.
Q: Does this drive include a built-in RFI filter?
A: No, the ‘0’ in the sixth-to-last position indicates no internal filter. External filtering should be applied if the application must comply with strict EMC residential standards.
Do you need more references from this brand? Explore our full catalog of Allen-Bradley here: https://atlantechdrives.com/manufacturers/allen-bradley/
