Allen Bradley 20BC140G0ANNANC0 PowerFlex 700 AC Drive
Allen Bradley 20BC140G0ANNANC0 PowerFlex 700 AC Drive
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Brand:Allen Bradley PLC Item No.:20BC140G0ANNANC0 Product Origin:USA Product Dimensions:1574.8 x 609.6 x 450.7 mm Product Weight:102.51 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 20BC140G0ANNANC0 PowerFlex 700 AC Drive is a high-current variable frequency drive designed for controlling AC motors in industrial automation and manufacturing applications. It combines a 140 A current rating with a 400 VAC three-phase electrical configuration and a wall or machine-mount enclosure suitable for more demanding industrial environments.
The model is specified for 75 kW normal-duty operation and 55 kW heavy-duty operation. Its vector-control architecture with 24 V I/O provides a practical solution for applications requiring controlled motor operation and integration with external automation equipment.
One of the most important differences between this model and many cabinet-mounted PowerFlex 700 configurations is its enclosure and mounting arrangement. The 20BC140G0ANNANC0 is specified as a wall/machine-mount drive with IP54 and NEMA Type 12 protection. This allows it to be used in installations where increased enclosure protection is required.
The drive is supplied with an EMC filter and common-mode choke. These features are useful considerations when designing an industrial motor-control system where electromagnetic compatibility and electrical noise need to be managed.
The supplied dimensions are 1574.8 × 609.6 × 450.7 mm, and the weight is 102.51 kg. With this substantial physical size and weight, mechanical installation requires careful planning. Mounting supports must be capable of carrying the drive safely, while adequate space should be provided for cable connections, ventilation, inspection, and servicing.
The drive is intended for a 400 VAC nominal system with a 380–480 VAC rating. Before commissioning, the plant supply should be checked to ensure compatibility with the drive. Motor voltage and current must also be compared with the drive's rating and the requirements of the actual machine.
The 20BC140G0ANNANC0 does not include an internal brake resistor or brake IGBT. This is an important consideration for applications involving high-inertia loads, rapid stopping, or frequent acceleration and deceleration. If regenerative energy is expected, an appropriate external braking arrangement should be evaluated.
During commissioning, technicians should verify incoming power, grounding, motor wiring, control signals, safety interlocks, and parameter settings. The motor nameplate information should be entered accurately so that the drive's control system can operate according to the characteristics of the connected motor.
Initial operation should be performed at a controlled speed. Motor current, rotation direction, acceleration, deceleration, and mechanical response should be monitored before the machine is operated across its full speed range.
For troubleshooting, technicians should avoid assuming that every fault is caused by the drive. Mechanical overload, damaged motor cables, incorrect parameters, poor ventilation, control interlocks, and unstable reference signals can all produce symptoms that appear to be drive-related.
For replacement projects, the full catalog number is especially important. A different 140 A PowerFlex 700 may have a different enclosure, mounting arrangement, control voltage, feedback option, braking configuration, or communication setup.
The Allen Bradley 20BC140G0ANNANC0 is therefore best suited to industrial motor-control applications where its 400 VAC, 140 A, wall/machine-mount, IP54 configuration matches the electrical, mechanical, and environmental requirements of the installation.
Technical Specifications
Specification
Details
Brand
Allen Bradley
Model
20BC140G0ANNANC0
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
Wall / Machine Mount
Protection Rating
IP54 / NEMA Type 12
Control Type
Vector Control
I/O Voltage
24 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
Digital Inputs
6
Digital Outputs
3
Analog Inputs
2
Analog Outputs
2
Efficiency
97.5% at rated current and nominal line voltage
Operating Temperature
40 °C at 400 VAC
Maximum Altitude Without Derating
1000 m / 3300 ft
Relative Humidity
5–95%, non-condensing
Dimensions
1574.8 × 609.6 × 450.7 mm
Weight
102.51 kg / 226.00 lb
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Applications
The Allen Bradley 20BC140G0ANNANC0 PowerFlex 700 AC Drive is a high-current industrial AC drive designed for variable-speed control of three-phase motors. It is rated for 400 VAC three-phase operation and 140 A, with a 75 kW normal-duty rating and 55 kW heavy-duty rating.
Its wall or machine-mount IP54 / Type 12 construction makes it suitable for industrial environments where the drive requires a higher level of enclosure protection than an open-frame cabinet-mounted drive.
Typical applications include:
Heavy-duty conveyor systems
Industrial pumps
Fans and blowers
Compressors
Material-handling machinery
Extrusion and processing equipment
Packaging machinery
Mixers and agitators
Machine tools
Process manufacturing systems
Production lines
Large industrial motor applications
The 20BC140G0ANNANC0 is particularly suitable for applications where a 140 A PowerFlex 700 drive, protected wall/machine-mount construction, and vector motor control are required.
Advantages
140 A high-current capacity
The 20BC140G0ANNANC0 provides a 140 A current rating and supports 75 kW normal-duty and 55 kW heavy-duty applications. This makes it suitable for demanding industrial motor-control systems.
400 VAC three-phase operation
The drive is designed around a 400 VAC nominal supply with a 380–480 VAC drive rating, making it appropriate for many industrial three-phase electrical systems.
IP54 / Type 12 enclosure protection
The wall or machine-mount configuration provides IP54 and NEMA Type 12 protection. This makes the model appropriate for installations where greater environmental protection is required than an IP20 cabinet-mounted configuration.
Vector control with 24 V I/O
The 20BC140G0ANNANC0 uses vector control with 24 V I/O. This configuration is suitable for industrial automation systems requiring controlled motor operation and conventional external control signals.
EMC filter and common-mode choke
The specified configuration includes an EMC filter and common-mode choke, helping address electromagnetic compatibility and common-mode electrical noise considerations within a properly engineered installation.
Flexible industrial integration
PowerFlex 700 drives can be incorporated into PLC-based automation systems and industrial control architectures. Depending on the overall system configuration, operating commands, references, status, and diagnostic information can be exchanged with external controllers.
No internal brake resistor
This particular configuration does not include a drive-mounted brake resistor or brake IGBT. For high-inertia machinery or applications requiring rapid stopping, the braking requirements should therefore be evaluated separately.
Suitable for retrofit and maintenance
The PowerFlex 700 family has been widely used in industrial automation. The 20BC140G0ANNANC0 can be useful for maintaining existing installations where its voltage, current, mounting, enclosure, and control configuration match the application.
Technical FAQs
1. What is the Allen Bradley 20BC140G0ANNANC0?
The Allen Bradley 20BC140G0ANNANC0 is a PowerFlex 700 AC Drive designed for three-phase AC motor control. It has a 140 A rating, 400 VAC nominal input, wall/machine-mount construction, and IP54 / NEMA Type 12 protection.
2. What are the normal-duty and heavy-duty ratings?
The specified ratings are 75 kW for normal-duty operation and 55 kW for heavy-duty operation. The actual motor selection should also be based on motor current, load characteristics, and operating duty.
3. What input voltage does this model use?
The drive has a 400 VAC nominal mains voltage and a 380–480 VAC drive rating. The actual incoming supply must be verified before installation.
4. Does the 20BC140G0ANNANC0 include a brake resistor?
No. This configuration is specified without an internal brake resistor and without a brake IGBT. External braking equipment may need to be considered for applications with rapid or frequent deceleration.
5. Does this drive provide encoder feedback?
The specified configuration is without feedback. If closed-loop motor control is required, the application should be reviewed to determine whether another PowerFlex 700 configuration is more appropriate.
6. What can cause an overcurrent fault?
Possible causes include excessive load torque, mechanical binding, incorrect motor parameters, shorted motor cables, motor insulation problems, or an acceleration ramp that is too aggressive. Both the motor and driven machinery should be inspected.
7. What should be checked when the motor does not start?
Check incoming power, active faults, enable signals, run commands, speed-reference signals, interlocks, motor wiring, and drive parameters. A powered drive does not necessarily mean that a valid start command is being received.
8. What should be considered when installing an IP54 drive?
The mounting surface, cabinet or machine structure, cable entry, grounding, ventilation, ambient temperature, and maintenance clearance should be considered. IP54 protection does not eliminate the need to follow the specified installation environment and temperature limits.
9. Can this PowerFlex 700 drive be controlled by a PLC?
Yes. The PowerFlex 700 platform is designed for integration into industrial control systems. The exact communication method depends on the system architecture and installed communication equipment.
10. Can the 20BC140G0ANNANC0 directly replace another 140 A PowerFlex 700?
Not necessarily. Different 140 A PowerFlex 700 catalog numbers can have different mounting styles, enclosure ratings, I/O configurations, feedback, braking, filtering, and communication options. The complete catalog number should be matched before replacement.
