Products Description
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Technical Specifications
|
Parameter |
Specification |
|---|---|
|
Manufacturer |
Allen-Bradley |
|
Model |
|
|
Product Series |
PowerFlex 700 |
|
Product Type |
AC Drive / Variable Frequency Drive |
|
Drive Type |
PowerFlex 700, Type 20B |
|
Input Voltage |
690 VAC |
|
Input Phases |
3-phase |
|
Input Frequency |
50 Hz |
|
Continuous Output Current |
142 A |
|
1-Minute Overload Current |
179 A |
|
3-Second Overload Current |
238 A |
|
Normal-Duty Power Rating |
132 kW / approximately 177 HP |
|
Heavy-Duty Power Rating |
110 kW / approximately 148 HP |
|
Output Phases |
3-phase |
|
Output Voltage |
0–690 VAC, depending on supply and configuration |
|
Maximum Output Frequency |
420 Hz |
|
Frame Size |
Frame 6 |
|
Enclosure |
IP20 / NEMA/UL Type 1 |
|
Conformal Coating |
Yes |
|
Control Method |
Vector Control |
|
Motor Control Modes |
Sensorless Vector / V/Hz / Vector Control |
|
Control I/O |
24 V DC I/O |
|
Analog Inputs |
2 |
|
Analog Outputs |
2 |
|
Digital Inputs |
6 |
|
Digital Outputs |
3 |
|
Human Interface Module |
No HIM; blank plate |
|
Feedback |
No feedback |
|
Brake IGBT |
No |
|
Internal Brake Resistor |
No |
|
Internal Communication Module |
No |
|
EMC Filtering |
EMC filter with common-mode choke |
|
Carrier Frequency |
2, 4, 8, and 10 kHz |
|
PWM Frequency |
2 kHz at 690 VAC |
|
Speed Regulation |
0.1% of base speed across a 120:1 speed range in vector control without feedback |
|
Torque Regulation |
±5% without feedback |
|
Efficiency |
Approximately 97.5% at rated current and nominal line voltage |
|
Displacement Power Factor |
0.98 across the speed range |
|
Short-Circuit Rating |
Up to 200,000 A symmetrical, subject to applicable protection configuration |
|
Current Limit Capability |
Programmable from 20–160% of rated output current |
|
Instantaneous Current Limit |
Approximately 220–300% of rated current, depending on drive rating |
|
Motor Overload Protection |
Class 10 in vector control |
|
Acceleration Time |
0–3600 s |
|
Deceleration Time |
0–3600 s |
|
Power Ride-Through |
15 ms at full load |
|
Maximum Altitude |
1000 m (3281 ft) without derating |
|
Operating Temperature |
0–50°C (32–122°F) |
|
Relative Humidity |
5–95%, non-condensing |
|
Encoder Option |
Incremental, dual-channel encoder support available as an option |
|
Dimensions (H × W × D) |
976.3 × 403.9 × 275.5 mm |
|
Weight |
71.44 kg |
|
Product Lifecycle |
Discontinued November 30, 2023 |
FAQ
FAQ
Q1: What is the Allen-Bradley 20BF142A0ANNANC0?
A: The 20BF142A0ANNANC0 is a PowerFlex 700 adjustable frequency AC drive designed to regulate the speed and torque of industrial three-phase AC motors.
Q2: What is the rated output current?
A: The drive has a continuous output current rating of 142 A. The specified overload ratings are 179 A for one minute and 238 A for three seconds.
Q3: What are its normal-duty and heavy-duty power ratings?
A: The manufacturer’s related 690 V PowerFlex 700 specifications identify the 142 A rating as 132 kW normal duty and 110 kW heavy duty. Confirm the exact duty ratings against the model nameplate and applicable technical documentation.
Q4: Which motor control modes are supported?
A: The PowerFlex 700 supports sensorless vector control, V/Hz control, and vector control. The best mode depends on motor characteristics, speed range, and torque requirements.
Q5: What are the dimensions and weight of this model?
A: The exact dimensions and drive-only weight for catalog number 20BF142A0ANNANC0 should be verified against the manufacturer’s dimensional drawing. Do not use the dimensions or weight of a standalone NEMA Type 12 enclosure as the drive’s physical specifications.
Q6: Does the drive include a keypad or communication module?
A: No. This configuration has a blank HIM plate and no internal communication module. Additional compatible accessories may be required for local operation or network integration.
Q7: Does this model include a braking IGBT or internal brake resistor?
A: No. The specified configuration does not include a braking IGBT or an internal brake resistor. Applications requiring rapid deceleration may need a separately selected braking solution.
Q8: What should be checked before installation?
A: Confirm the input supply, motor current, protective-device ratings, grounding, ventilation, and installation clearances. The specified maximum altitude without derating is 1000 m, and the normal operating temperature range is 0–50°C. Rockwell Automation lists the PowerFlex 700 Type 20B family as discontinued effective November 30, 2023.
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Packing & Delivery
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