The Allen-Bradley 20F1AND248JN0NNNNN, also cataloged as the PowerFlex 753 AC Drive, operates as a dedicated hardware component for variable frequency motor control and torque management within industrial 480 VAC electrical networks.

Model Suffix Configuration

The drive model string 20F1AND248JN0NNNNN defines a Frame 7 chassis capable of delivering 302 Amps output current. The suffix configuration specifies an AC input architecture with precharge circuitry, an integrated dynamic braking transistor, and a filtered EMC configuration with the common-mode (CM) jumper installed to mitigate line-side noise.

Hardware Specifications

Industrial Control Deterministic Network Attributes

The PowerFlex 753 platform utilizes high-speed internal bus communication to maintain deterministic control loops during motor acceleration and deceleration. The drive supports EtherNet/IP deterministic networks, allowing for precise synchronization in multi-axis motion control applications. Firmware flash compatibility is managed via the drive’s embedded communication ports, enabling integration with plant-wide control systems without requiring proprietary interface hardware.

Ordering Info

• 1 x 20F1AND248JN0NNNNN AC Drive

• 1 x Standard protection/forced air cooling module

• Note: AC input power cabling and motor leads must be sized according to local electrical codes based on the 302 Amp output rating.

Installation Guidelines

• Mechanical Mounting: Mount the Frame 7 chassis in a vertical orientation within a clean, ventilated enclosure to ensure proper operation of the forced-air cooling system.

• Wiring: Terminate AC line power to the input terminals and connect the motor leads to the U, V, and W output terminals. Ensure high-voltage shielding is applied to all motor cabling to reduce radiated EMI.

• Grounding: Establish a solid connection between the drive chassis and the main plant protective earth bus. The CM jumper must remain installed to maintain EMC filter effectiveness.

• Clearance: Adhere to the recommended spacing above and below the drive to facilitate airflow for the integrated cooling fans.

Frequently Asked Questions

• Q: Does this drive support common DC bus configurations?

  A: No, this specific model (20F1AND248JN0NNNNN) is configured without DC terminals, preventing connection to a common DC bus.

• Q: Is the dynamic braking transistor included?

  A: Yes, this model features an integrated dynamic braking transistor to manage regenerative energy during motor deceleration.

• Q: Can this drive be used in high-corrosion environments?

  A: This model features standard protection. For high-corrosion environments, external environmental conditioning or an appropriately rated enclosure is required.

• Q: What is the primary voltage input requirement?

  A: This drive is designed for 480 VAC, 3-phase input power.

• Q: Is the EMC filter jumper installed?

  A: Yes, this specific part number is supplied with the common-mode (CM) jumper installed, which is the preferred configuration for most filtered applications.

• Q: What is the maximum motor rating for this drive?

  A: The drive is rated for 250 HP under Normal Duty (ND) and 200 HP under Heavy Duty (HD) conditions.

• Q: Can the firmware be updated in the field?

  A: Yes, the drive firmware is flash-compatible and can be updated through the embedded communication ports using standard configuration software.

• Q: Is the enclosure suitable for outdoor installation?

  A: No, this drive is an Open Type (IP00/IP20) unit and must be installed inside a NEMA-rated enclosure to prevent ingress of contaminants and moisture.