Allen Bradley 20BC140F0ANNAND0 PowerFlex 700 AC Drive
Allen Bradley 20BC140F0ANNAND0 PowerFlex 700 AC Drive
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Brand:Allen Bradley PLC Item No.:20BC140F0ANNAND0 Product Origin:USA Product Dimensions:689.6 x 308.9 x 275.4 mm Product Weight:37.19 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 20BC140F0ANNAND0 PowerFlex 700 AC Drive is an industrial variable frequency drive designed for controlling larger AC motors in manufacturing, process automation, material handling, and other industrial applications.
This configuration is specified for a 400 VAC three-phase supply and 140 A current, with a 75 kW normal-duty rating and a 55 kW heavy-duty rating. It uses a flange-mount construction and vector control with 120 V I/O.
One of the key characteristics of the 20BC140F0ANNAND0 is its flange-mount design. In larger industrial control cabinets, heat generated by high-power drive electronics can have a significant effect on enclosure temperature. Proper cabinet design, airflow, mounting clearance, and heat dissipation should therefore be considered during installation.
The drive has supplied dimensions of 689.6 × 308.9 × 275.4 mm and a weight of 37.19 kg. Because of its physical size and weight, installation planning should include appropriate mounting support, cable routing, ventilation, and maintenance access.
The model also includes an EMC filter and common-mode choke. These features are relevant to installations where electromagnetic compatibility and electrical noise management are part of the system design.
The absence of an internal brake resistor and brake IGBT is another important configuration characteristic. For applications involving high-inertia loads, rapid stopping, or frequent deceleration, engineers should evaluate the amount of regenerative energy produced by the motor and determine whether additional braking equipment is required.
During commissioning, the first step should be verification of the complete electrical installation. Incoming voltage, phase connections, grounding, motor wiring, control signals, and safety interlocks should be checked before the motor is operated.
The motor's nameplate information should then be entered accurately into the drive. Correct motor voltage, current, frequency, and speed parameters are important for stable operation and effective motor control.
Initial testing should normally begin at low speed. Technicians can monitor motor current, direction, acceleration, deceleration, and machine response before moving to the full operating range.
For troubleshooting, it is important to investigate the complete system rather than immediately replacing the drive. An overcurrent fault, for example, can result from mechanical overload, damaged motor cables, incorrect acceleration parameters, or a motor problem. A failure to start may instead be caused by a missing enable signal, interlock, or speed reference.
For replacement applications, the complete catalog number should always be matched. A similar PowerFlex 700 drive may have a different mounting configuration, I/O voltage, feedback option, braking arrangement, communication module, or filtering configuration.
The Allen Bradley 20BC140F0ANNAND0 is therefore best suited to applications where its specific 400 VAC, 140 A, flange-mount configuration matches the electrical and mechanical requirements of the existing or new industrial system.
Technical Specifications
Specification
Details
Brand
Allen Bradley
Model
20BC140F0ANNAND0
Product Family
PowerFlex 700
Product Type
AC Drive / Variable Frequency Drive
Drive Series
PowerFlex 700 20B
Nominal Mains Voltage
400 VAC
Drive Voltage Rating
380–480 VAC
Input Phase
3 Phase
Output Phase
3 Phase
Rated Current
140 A
Normal-Duty Rating
75 kW
Heavy-Duty Rating
55 kW
Mounting Type
Flange Mount
Control Type
Vector Control
I/O Voltage
120 V
Brake IGBT
No
Internal Brake Resistor
No
Feedback
No Feedback
Communication Module
No Internal Communication Module
EMC Filter
Yes
Common-Mode Choke
Yes
Maximum Output Frequency
420 Hz
Number of Digital Inputs
6
Number of Digital Outputs
3
Number of Analog Inputs
2
Number of Analog Outputs
2
Operating Temperature
40 °C at 400 VAC
Maximum Altitude Without Derating
1000 m / 3300 ft
Protection
IP54 / NEMA 12
Dimensions
689.6 × 308.9 × 275.4 mm
Weight
37.19 kg / 82.00 lb
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Applications
The Allen Bradley 20BC140F0ANNAND0 PowerFlex 700 AC Drive is a high-capacity industrial AC drive designed for variable-speed control of three-phase motors. It is rated for a 400 VAC three-phase supply, 140 A current, 75 kW normal-duty operation, and 55 kW heavy-duty operation.
Typical applications include:
Conveyor and material-handling systems
Industrial pumps
Fans and blowers
Compressors
Extrusion equipment
Packaging machinery
Mixers and agitators
Machine tools
Process-control equipment
Heavy industrial machinery
Production lines
Large AC motor applications
The flange-mount construction makes this model suitable for control cabinets where thermal management and enclosure design are important considerations. Engineers should verify motor voltage, motor current, duty cycle, braking requirements, cabinet ventilation, and control-system compatibility before installation.
Advantages
High-current motor control
The 20BC140F0ANNAND0 provides a 140 A current rating and is designed for higher-power industrial motor applications. It supports both normal-duty and heavy-duty applications according to the specified PowerFlex 700 rating.
400 VAC three-phase operation
This model is designed around a 400 VAC nominal system and a 380–480 VAC drive rating, making it suitable for many industrial three-phase power systems.
Flange-mount construction
The flange-mount design can simplify thermal management in appropriately engineered control cabinets by allowing the installation to separate the heat-generating portion of the drive from the main cabinet interior.
Vector control
The drive uses vector control with 120 V I/O, providing a suitable control architecture for industrial applications requiring controlled motor performance and integration with external control equipment.
EMC filter and common-mode choke
The specified configuration includes an EMC filter and common-mode choke, which can help address electromagnetic compatibility and common-mode electrical noise considerations in industrial installations.
Flexible industrial integration
The PowerFlex 700 platform is designed for integration into industrial automation systems. Depending on the overall system architecture, the drive can exchange control commands, references, operating status, and diagnostic information with automation equipment.
Suitable for maintenance and retrofit applications
The PowerFlex 700 family has been widely installed in industrial equipment. This makes the 20BC140F0ANNAND0 relevant to maintenance, repair, and retrofit projects where an existing PowerFlex 700 installation needs to be supported.
No internal braking resistor
This configuration does not include a drive-mounted braking resistor or brake IGBT. Applications requiring rapid deceleration or high regenerative energy should therefore be evaluated separately to determine the appropriate braking solution.
Technical FAQs
1. What is the Allen Bradley 20BC140F0ANNAND0?
The Allen Bradley 20BC140F0ANNAND0 is a PowerFlex 700 AC Drive designed for three-phase AC motor control. It has a 140 A rating and is configured for 400 VAC operation with flange mounting and vector control.
2. What is the nominal input voltage of this drive?
The nominal mains voltage is 400 VAC, with a 380–480 VAC drive rating. The actual plant power supply should be verified before connecting the drive.
3. What are the power ratings of the 20BC140F0ANNAND0?
The specified ratings are 75 kW for normal-duty operation and 55 kW for heavy-duty operation. Motor selection should also consider the actual motor current and application duty.
4. Does this model have an internal braking resistor?
No. The 20BC140F0ANNAND0 is specified without a drive-mounted brake resistor and without a brake IGBT. If the application requires frequent or rapid deceleration, an appropriate external braking solution should be engineered.
5. Does the drive include feedback?
This particular configuration is specified without feedback. Applications requiring encoder-based closed-loop control should be evaluated to determine whether a different PowerFlex 700 configuration is required.
6. What can cause an overcurrent fault?
Overcurrent can be caused by excessive mechanical load, motor-cable problems, motor insulation faults, mechanical binding, overly aggressive acceleration settings, or incorrect motor parameters. Both the electrical and mechanical sides of the system should be inspected.
7. What should be checked if the motor does not start?
Check incoming power, active drive faults, run-command source, enable signals, speed reference, interlocks, motor wiring, and drive parameters. The drive status should be examined before assuming that the drive itself has failed.
8. Why can a PowerFlex 700 drive overheat?
Possible causes include insufficient cabinet ventilation, high ambient temperature, blocked airflow, contaminated heatsinks, cooling-fan problems, excessive motor loading, or unsuitable operating conditions. The entire enclosure and load should be evaluated.
9. Can the 20BC140F0ANNAND0 be integrated into a PLC control system?
Yes. The PowerFlex 700 platform is designed for industrial automation integration. The available communication method and control architecture depend on the specific installation and associated communication equipment.
10. Can this drive replace another 140 A PowerFlex 700 directly?
Not necessarily. PowerFlex 700 catalog numbers can differ in voltage, mounting type, I/O configuration, braking, feedback, communication, filtering, and control options. The complete catalog number should be compared before replacement.
