Introduction
The Allen-Bradley 20BH260A0ANNANC0 PowerFlex 700 AC Drive belongs to the PowerFlex 700 20B family of industrial variable frequency drives developed for high-performance motor control. With a 260 A output rating and 540 VDC input rating, this configuration is intended for large motor applications where substantial current capacity and flexible control are required.
The drive is particularly suitable for industrial systems where motor speed must be controlled according to process demand. Instead of operating a motor continuously at full speed, a PowerFlex 700 drive can adjust motor frequency and voltage according to the operating requirements. This can improve process control and, in suitable applications, reduce unnecessary motor energy consumption.
The 20BH260A0ANNANC0 configuration uses vector control with 24 V DC I/O and does not include a feedback option. Its control architecture supports sensorless vector operation, which can provide improved speed and torque control without requiring an encoder in applications that do not need closed-loop feedback.
The drive provides multiple programmable acceleration and deceleration functions. Acceleration and deceleration times can be independently configured, allowing engineers to control mechanical stress during motor starts and stops. This is particularly useful for conveyors, pumps, fans, compressors, and other high-inertia machinery.
The model is also configured with an EMC filter and common-mode choke. Proper EMC installation remains important, including correct grounding, cable routing, motor cable selection, and enclosure design.
Another important characteristic is the absence of an internal brake IGBT and brake resistor. When the connected load has significant regenerative energy during deceleration, the system designer should determine whether an external braking solution or another regenerative strategy is necessary.
The PowerFlex 700 platform also provides a broad range of protection and diagnostic functions. The drive can monitor conditions such as overcurrent, ground faults, heat-sink temperature, motor overload, and other operating conditions. Correct parameter configuration and appropriate motor data are essential for obtaining reliable performance.
For replacement, repair, or retrofit applications, the complete catalog number should always be checked because PowerFlex 700 drives with similar current ratings can differ significantly in input configuration, feedback, braking, filtering, communication, and enclosure options.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Allen-Bradley / Rockwell Automation |
| Product Family | PowerFlex 700 |
| Series | PowerFlex 700 20B |
| Model | 20BH260A0ANNANC0 |
| Product Type | AC Drive / Variable Frequency Drive |
| Input Voltage | 540 VDC |
| Input Phases | 3-phase |
| Output Phases | 3-phase |
| Continuous Output Current | 260 A |
| Normal-Duty Power | 132 kW |
| Heavy-Duty Power | 110 kW |
| Heavy-Duty Output Current | 305 A for 1 minute |
| Short-Duration Output Current | 410 A for 3 seconds |
| Control Method | Vector Control with 24 V DC I/O |
| Motor Control | Sensorless Vector / V/Hz / Vector Control |
| Feedback | No Feedback |
| Encoder Support | Incremental encoder capability on compatible configurations |
| HIM | No HIM / Blank Plate |
| Communication Module | None |
| Brake IGBT | Without Brake IGBT |
| Internal Brake Resistor | None |
| EMC Filter | EMC Filter with Common-Mode Choke |
| Enclosure | IP20 / NEMA Type 1 |
| Analog Inputs | 2 |
| Analog Outputs | 2 |
| Digital Inputs | 6 |
| Digital Outputs | 3 |
| Maximum Output Frequency | 420 Hz |
| Carrier Frequency | 2, 4, 8, and 10 kHz |
| Stop Functions | Coast, DC Brake, Fast Brake, Ramp-to-Hold and programmable modes |
| Short-Circuit Rating | Up to 200,000 A symmetrical with appropriate installation |
| Ambient Operating Temperature | Typically 0–50°C for applicable Frame 5–6 configurations |
| Relative Humidity | 5–95%, non-condensing |
| Maximum Altitude Without Derating | 1000 m |
| Dimensions | 976.3 × 403.9 × 275.5 mm |
| Weight | 71.44 kg (157.50 lb) |
Recommended Related Models
- Allen-Bradley 20BH205A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BH170A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BH140A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BJ096A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BP260A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BC260A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BF142A0ANNANC0 PowerFlex 700 AC Drive
These models belong to the broader PowerFlex 700 20B family, but their electrical ratings and configuration codes differ. When selecting a replacement, verify voltage, current, braking, feedback, filtering, communication, and enclosure requirements rather than matching only the physical size.
Popular Related Models
Allen-Bradley 20BH205A0ANNANC0
A high-power PowerFlex 700 configuration for applications requiring lower current capacity than the 260 A model.
Allen-Bradley 20BH170A0ANNANC0
A PowerFlex 700 20B drive configuration suited to industrial motor-control applications with a lower output-current requirement.
Allen-Bradley 20BJ096A0ANNANC0
A 96 A PowerFlex 700 configuration commonly considered for applications requiring a substantially lower drive capacity.
Allen-Bradley 20BP260A0ANNANC0
A closely related 260 A PowerFlex 700 configuration that can be considered when comparing different PowerFlex 700 voltage and configuration options.
Allen-Bradley 20BC260A0ANNANC0
Another PowerFlex 700 20B configuration with a 260 A class rating, useful when evaluating alternative drive configurations for industrial systems.
Allen-Bradley 20BH260A0AYNANC0
A closely related 20BH260A0 configuration with a different catalog-code option, useful when comparing PowerFlex 700 configuration requirements.
Allen-Bradley 20BH260A0ANNANC0
The exact model covered in this page, configured for 540 VDC, 260 A, 132 kW normal duty, 110 kW heavy duty, no HIM, no feedback, no communication module, and no brake IGBT.
