Allen Bradley 20BC260G0ANNANC0 PowerFlex 700

FAQ

Q1: What is the Allen-Bradley 20BC260G0ANNANC0?

A: The Allen-Bradley 20BC260G0ANNANC0 is a PowerFlex 700 AC drive designed to control the speed and torque of three-phase AC motors in industrial applications. It is rated for 260 A output current, with a power rating of 132 kW for normal-duty operation and 110 kW for heavy-duty operation. This variant features an IP54 / NEMA Type 12 enclosure, 24V DC control I/O, no installed HIM keypad, no internal communication module, and no built-in braking resistor or brake IGBT.

Q2: What are the input voltage and output power ratings?

A: This drive uses a nominal 400 VAC, three-phase input and supports a 380–480 VAC supply range. The specified input current is 255 A at 400 VAC, with an input power rating of 177 kVA. Its continuous output current is 260 A. The rated power is 132 kW under normal-duty conditions and 110 kW under heavy-duty conditions. Heavy-duty output current is listed as 308 A for one minute and 410 A for three seconds. Confirm motor current, load profile, and overload requirements before selecting the drive for a specific application.

Q3: What is the main difference between this model and an IP20 PowerFlex 700 drive?

A: The key distinction is the enclosure. The 20BC260G0ANNANC0 is specified with an IP54 / NEMA/UL Type 12 wall- or machine-mount enclosure, which provides greater protection against dust and certain environmental contaminants than an IP20 / NEMA Type 1 configuration. This affects cabinet design, ventilation, installation space, and mounting requirements. The IP54 version is also substantially larger and heavier in its standalone configuration. Always use the dimensions and installation instructions applicable to the exact enclosure version rather than assuming that all 260 A PowerFlex 700 models share the same physical size.

Q4: Does the 20BC260G0ANNANC0 include a communication module or keypad?

A: No. The official product description specifies no internal communication module and no HIM, with a blank plate installed instead of the human interface module. The drive therefore should not be assumed to have an integrated keypad or a network interface ready for use. If local keypad programming or PLC network communication is required, confirm the compatible interface and optional communication hardware before ordering. Check the existing control system’s requirements carefully to avoid purchasing a configuration that lacks the required interface.

Q5: Does this drive have a built-in braking resistor?

A: No. This model is specified without a brake IGBT and without an internal braking resistor. It supports programmable stopping methods such as Coast, DC Brake, Fast Brake, Ramp-to-Hold, and S-Curve, but those functions do not mean that dynamic braking hardware is included. If the motor drives a high-inertia load or must stop quickly and repeatedly, the application may require a compatible external braking solution. Confirm the drive’s braking requirements and approved accessories before installation.

Q6: What motor-control and protection features does this drive support?

A: The PowerFlex 700 supports Sensorless Vector Control, V/Hz control, and Vector Control. The listed speed regulation in Vector Control mode without feedback is 0.1% of base speed, while torque regulation without feedback is ±5%. Other features include Class 10 motor overload protection, programmable acceleration and deceleration times from 0 to 3600 seconds, adjustable carrier frequencies, and an EMC filter with a common-mode choke. Correct motor setup, grounding, cooling, and parameter configuration are important for reliable performance.

Q7: What are the installation dimensions and environmental requirements?

A: For the standalone IP54 / NEMA Type 12 configuration, the official listing gives approximate dimensions of 1828.8 × 711.3 × 487.8 mm and a packaged weight of approximately 229.07 kg. The listed surrounding-air temperature for standalone or wall-mounted frames 5–6 is 0–40 °C, with relative humidity of 5–95% non-condensing. Installation altitude is up to 1000 m without derating. Because this is a large, heavy drive, confirm lifting arrangements, mounting strength, access clearances, cable routing, and heat dissipation before installation.

Q8: Is the 20BC260G0ANNANC0 still available, and what should buyers verify?

A: Rockwell Automation lists this catalog number as discontinued, with a discontinuation date of November 30, 2023. It may still be obtainable through suppliers with remaining inventory, surplus stock, or repair services, but current availability and condition must be confirmed directly.Before purchasing, verify the full catalog number, nameplate, enclosure rating, communication requirements, control interface, warranty, and included accessories. If a replacement is needed, ask the supplier or an authorized automation specialist to confirm a suitable engineering replacement rather than assuming that a similar PowerFlex 700 model is a direct drop-in substitute.

20BC260G0ANNANC0 Allen Bradley

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