Introduction
The Allen-Bradley 20BP105A0ANNANC0 PowerFlex 700 AC Drive is a high-capacity member of the PowerFlex 700 20B family, designed for industrial variable-speed motor-control applications. With a 105 A output rating, this drive provides substantial current capacity for industrial machinery while retaining the flexible control architecture associated with the PowerFlex 700 platform.
A key characteristic of this model is its 540 VDC DC-input architecture with precharge. Unlike a conventional PowerFlex drive designed around a standard AC line input, this configuration is intended for systems where the required DC supply is already available. Proper DC bus voltage, precharge functionality, protective equipment, grounding, and disconnect arrangements must therefore be considered when designing the installation.
The 20BP105A0ANNANC0 provides vector control with 24 V DC I/O. Vector-based control can improve motor speed regulation and torque response, particularly in applications where load conditions vary during operation. The drive can also operate using other available control strategies according to the application and configured parameters.
The model is rated at 55 kW for normal-duty operation and 45 kW for heavy-duty operation. Selection between these ratings should be based on the actual motor nameplate data, application load profile, acceleration requirements, ambient conditions, and required overload performance.
The drive provides programmable acceleration and deceleration functions. These parameters allow engineers to control how quickly the motor reaches operating speed or stops. Correct adjustment is particularly important for high-inertia loads, conveyors, fans, pumps, and machinery where abrupt speed changes could create mechanical stress.
The drive is also equipped with an EMC filter and common-mode choke. EMC performance depends not only on the internal filter but also on proper installation practices. Motor cable routing, grounding, shield termination, cabinet construction, and separation of power and control wiring can all influence the final electromagnetic compatibility of the system.
The model does not include an internal brake resistor or brake IGBT. Consequently, applications involving significant regenerative energy during deceleration should be reviewed carefully. Depending on the system architecture, the required braking or regenerative solution may need to be provided separately.
Another important consideration is that the 20BP105A0ANNANC0 is discontinued, with the PowerFlex 700 20B product family discontinued by the manufacturer in November 2023. For existing installations, this model can still be relevant as a replacement, repair, retrofit, or spare-part requirement. When selecting a replacement for an installed drive, engineers should compare the complete catalog number rather than selecting only by current rating.
The complete catalog number determines important characteristics such as input voltage, current rating, feedback, braking, communication, filtering, enclosure, and control configuration. Matching these characteristics is essential for maintaining system compatibility.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Allen-Bradley / Rockwell Automation |
| Product Family | PowerFlex 700 |
| Series | PowerFlex 700 20B |
| Model | 20BP105A0ANNANC0 |
| Product Type | AC Drive / Variable Frequency Drive |
| Lifecycle | Discontinued |
| Input Voltage | 540 VDC |
| Input Configuration | DC Input with Precharge |
| Input Phases | 3-phase system architecture |
| Output Phases | 3-phase |
| Continuous Output Current | 105 A |
| Normal-Duty Power | 55 kW |
| Heavy-Duty Power | 45 kW |
| Frame Size | Frame 5 |
| Control Method | Vector Control with 24 V DC I/O |
| Motor Control | Vector Control / V/Hz-related control modes |
| Feedback | No Feedback |
| Feedback Option | None |
| HIM | No HIM / Blank Plate |
| Communication Module | None |
| Brake IGBT | None |
| Internal Brake Resistor | None |
| EMC Filter | EMC Filter with Common-Mode Choke |
| Conformal Coating | Yes |
| 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 |
| Overload Capability | 110% for up to 1 minute; 150% for up to 3 seconds |
| Acceleration Time | 0–3600 s |
| Deceleration Time | 0–3600 s |
| Efficiency | Approximately 97.5% at rated current and nominal line voltage |
| Ambient Temperature | 0–50°C for applicable Frame 5 configurations |
| Relative Humidity | 5–95%, non-condensing |
| Maximum Altitude Without Derating | 1000 m |
| Degree of Protection | IP20 |
| NEMA Rating | NEMA/UL Type 1 |
| Dimensions | 689.6 × 308.9 × 275.4 mm |
| Weight | 37.19 kg (81.99 lb) |
Recommended Related Models
- Allen-Bradley 20BP105A0AYNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BP125A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BP140A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BP170A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BP096A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BN105A0ANNANC0 PowerFlex 700 AC Drive
- Allen-Bradley 20BH105A0ANNANC0 PowerFlex 700 AC Drive
When selecting a related PowerFlex 700 model as a replacement, verify the DC voltage, output current, duty rating, frame size, braking configuration, feedback, communication options, and filtering requirements.
Popular Related Models
Allen-Bradley 20BP125A0ANNANC0
A closely related PowerFlex 700 20B DC-input configuration with a 125 A output rating, suitable when additional current capacity is required.
Allen-Bradley 20BP140A0ANNANC0
A higher-current PowerFlex 700 configuration for industrial applications requiring greater motor capacity.
Allen-Bradley 20BP105A0AYNANC0
A closely related 105 A configuration with a different catalog-code option, useful when comparing PowerFlex 700 configuration requirements.
Allen-Bradley 20BP140A0AYNANC0
A higher-current configuration that can be evaluated for systems requiring additional output capacity.
Allen-Bradley 20BP105A3ANNAEC1
A different 20B configuration demonstrating the broader range of PowerFlex 700 options available for communication, control, and system integration.
Allen-Bradley 20BH105A0ANNANC0
A related PowerFlex 700 20B configuration that can be compared when evaluating alternative input and drive configurations.
Allen-Bradley 20BP105A0ANNANC0
The exact model covered on this page: 105 A, 540 VDC precharge, 55 kW normal duty, 45 kW heavy duty, Frame 5, vector control with 24 V I/O, EMC filter with common-mode choke, no HIM, no brake IGBT, no internal brake resistor, no communication module, and no feedback.
