Allen Bradley 20G11BC910JN0NNNNN Air-Cooled AC Variable Frequency Drive (VFD)

FAQ

Q1: What is the Allen-Bradley 20G11BC910JN0NNNNN used for?
A: The 20G11BC910JN0NNNNN is designed for controlling high-power AC motors in applications such as large conveyors, pumps, fans, compressors, mills, and process equipment requiring precise speed and torque control.

Q2: What are the voltage and current ratings of this drive?
A: The drive operates at 400 VAC three-phase and provides a rated output current of 910 A. It supports 500 kW Normal Duty, 400 kW Heavy Duty, and up to 560 kW Low Duty applications.

Q3: Does the 20G11BC910JN0NNNNN include a built-in braking transistor?
A: No. This model does not include an internal dynamic braking transistor. External braking equipment must be selected separately if the application requires rapid deceleration or regenerative energy handling.

Q4: What enclosure type does this PowerFlex 755 drive use?
A: The drive uses a Type 1, IP20, 600 mm deep MCC-style enclosure, designed for installation in industrial motor control centers or suitable electrical cabinets.

Q5: Does the 20G11BC910JN0NNNNN include a keypad or HIM module?
A: No. This configuration is supplied as Blank (No HIM). A compatible PowerFlex HIM can be added separately for local operation, setup, and diagnostics.

Q6: What are the dimensions and weight of the 20G11BC910JN0NNNNN?
A: The drive uses a large Frame 9 MCC-style construction. The approximate cabinet dimensions are 600 mm depth × 600 mm width × 2200 mm height, with an estimated weight of approximately 400 kg.

Q7: What communication features are available on this drive?
A: The PowerFlex 755 includes embedded EtherNet/IP communication, allowing integration with Rockwell Automation control systems and industrial Ethernet networks. Additional communication, feedback, and I/O modules can also be added.

Q8: What should be checked before installing the 20G11BC910JN0NNNNN?
A: Before installation, verify the incoming three-phase power supply, motor ratings, grounding, cabinet ventilation, MCC installation requirements, network configuration, and protection settings. Due to the high power rating, proper electrical design and installation procedures are required.

20G11BC910JN0NNNNN Allen Bradley

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