PowerFlex 70 AC Drive 20A
Rockwell Automation announces that as of
September 30, 2026,
the PowerFlex 70 AC Drive 20A will be discontinued and no longer available for sale.
Customers are encouraged to remove references to the affected product(s).
Discontinued Date:
September 30, 2026
Replacement Category:
Engineering Replacement
Rockwell Automation announces that as of
September 30, 2026,
the PowerFlex 70 AC Drive 20A will be discontinued and no longer available for sale.
Customers are encouraged to remove references to the affected product(s).
Discontinued Date:
September 30, 2026
Replacement Category:
Engineering Replacement
| Brake IGBT | Brake IGBT Installed |
|---|---|
| Brake Resistor | With Internal |
| Feedback Options | No ftdback |
| Filter Options | W/O EMC Filt & ComModeChoke |
| Internal Communication Module | No Communication Module |
| Product Family | PowerFlex 70 AC Drive |
| Degree of protection (IP) | IP20 |
|---|---|
| Shock | 15 G peak for 11 ms duration (±1.0 ms) |
| Vibration | 0.152 mm (0.006 in) displacement, 1 G peak |
| Number of analogue outputs | 1 None |
|---|---|
| Mains voltage | 400 V |
| Integrated breaking resistance | True |
| Internal dynamic brake resistors | 115 ohm |
| Brake IGBT | Brake IGBT installed |
| Bus undervoltage output shutoff | 305V DC @ 380/400V |
| Bus undervoltage fault level | 300V DC @ 380/400V |
| Internal communication module | No communication module |
| AC input undervoltage trip | 233V AC @ 380/400V |
| Bus voltage, nom | 540V DC @ 380/400V |
| Bus overvoltage trip | 810V DC @ 380/400V |
| Circuit breaker current rating, max | 15A @ 400V AC, 3-phase |
| Motor circuit protector current rating, max | 7A @ 400V AC, 3-phase |
| Output current rating, continuous | 2.1A @ 400V AC, 3-phase |
| Output current rating, 1 min | 2.4A @ 400V AC, 3-phase |
| Output current rating, 3 sec | 3.2A @ 400V AC, 3-phase |
| Logic control ride-thru | 0.5 s minimum, 2 s typical |
| Brake resistor | Drive mounted brake resistor installed |
| Input current rating | 2.5A @ 400V AC, 3-phase |
| Documentation | Manual |
| Carrier frequency | Standard control: 2, 3, 4, 5, 6, 7, 8, 9, and 10 kHz, vector control: 2, 4, 8, and 12 kHz, drive rating based on 4 kHz |
| Encoder quadrature | 90° ±27° |
| AC input overvoltage trip | 475V AC @ 380/400V |
| Input power rating | 1.8 kVA @ 400V AC, 3-phase |
| Dual element time delay fuse current rating | 6A @ 400V AC, 1-phase |
| Non-time delay fuse current rating | 4...8A @ 400V AC, 3-phase |
| Heat sink thermistor | Monitored by microprocessor overtemp trip |
| Drive to motor power ratio, max | Recommended not greater than 2:1 ratio |
| Stop modes | Multiple progmable stop modes including - RA, Coast, DC-brake, Fast brake, RA-to-hold and S-curve |
| Acceleration/deceleration | Two independently progmable accel and decel times. Each time can be progmed from 0...3600 s in 0.1 s increments |
| Frequency accuracy | Digital input: within ±0.01% of set output frequency |
| Number of digital inputs | 6 None |
| Number of digital outputs | 2 None |
| Internal watts loss | 19.5 W @ 400V @ 0.75Hp normal duty |
| Number of analogue inputs | 2 None |
| Motor voltage, nom | 460V @ 380...480V drive rating, 480V nominal line voltage |
| Human interface model | No HIM-blank plate |
| Supporting protocol for DeviceNet | True |
| Application in industrial area permitted | True |
| External watts loss | 27.8 W @ 400V @ 0.75Hp normal duty |
| Total watts loss | 47.3 W @ 400V @ 0.75Hp normal duty |
| Line voltage, nom | 480V @ 380...480V drive rating, 460V nominal motor voltage |
| Supporting protocol for EtherNet/IP | True |
| Mains frequency | 50 Hz |
| Output frequency range | Standard control: 0...400 Hz, enhanced control: 0...500 Hz |
| Internal EMC filtering | Without EMC filter & common mode choke |
| Feedback option | No ftdback |
| Drive full power range | 460...528V @ 380...480V drive rating, 460V nominal motor voltage |
| Drive operating range | 342...528V @ 380...480V drive rating, 460V nominal motor voltage |
| Torque regulation | Without ftdback +/-10%, with ftdback +/-5% |
| Enclosure type | Panel mount-IP20/NEMA Type 1 |
| Output current rating | 2.1 A, 0.75 kW normal duty, 0.55 kW heavy duty, frame A |
| Cooling fan operation | Frames B, D, and E: fan operates when power is applied and in run condition |
| Control options | Enhanced control with 24V I/O |
| Drive overcurrent trip | Software current limit: 20...160% of rated current |
| Efficiency | 97.5% at rated A, nominal line volts |
| Encoder supply | 5V/12V configurable ±5% |
| Speed control-speed regulation | Without ftdback (Vector Control mode): 0.1% of base speed across 120:1 speed range, 120:1 operating range, 30 rad/sec bandwidth |
| Current limit capability | Proactive current limit progmable from 20...160% of rated output current, Independently progmable proportional and integral gain |
| Selectable motor control | Sensorless vector with full tuning. Standards V/Hz with full custom capability and vector control |
| Frequency control-speed regulation | With slip compensation (Volts per Hz mode): 0.5% of base speed across 40:1 speed range, 40:1 operating range, 10 rad/sec bandwidth |
| Input phases | Three-phase input provides full rating for all drives. single-phase ops provides 50% of rated current |
| Control method | Sine coded PWM with progmable carrier frequency. Ratings apply to all drives |
| Number of HW-interfaces RS-232 | 2 None |
| Number of HW-interfaces RS-485 | 2 None |
| Number of HW-interfaces USB | 2 None |
| Number of phases output | 3 None |
| Number of phases input | 3 None |
| Relative symmetric net voltage tolerance | 10 % |
| With control element | True |
| Supporting protocol for TCP/IP | True |
| Supporting protocol for PROFIBUS | True |
| Supporting protocol for CAN | True |
| Supporting protocol for Modbus | True |
| Application in domestic- and commercial area permitted | True |
| Motor overload protection | Class 10 motor overload protection according to NEC article 430 and motor over-temperature protection according to NEC article 430.126 (A)(2). UL 508C file E59272 |
| Input frequency tolerance | 47 Hz |
| Encoder duty cycle | 50% ±10% |
| Voltage tolerance | -10 % |
| Displacement power factor (all drives) | 0.98 across speed range |
| Short circuit rating, max | 200000 A symmetrical |
| Output voltage range | 0 to rated motor voltage |
| Encoder type | Incremental, dual channel |
| Power ride-thru | 15 ms at full load |
| Short circuit trip | Phase-to-phase on drive output |
| Ground fault trip | Phase-to-ground on drive output |
| Drive to motor power ratio, min | Recommended not less than 1:2 ratio |
| Control logic noise immunity | Showering arc transients upto 1500V peak |
| Line transients | Up to 6000 volts peak per IEEE C62.41-1991 |
| Short circuit current rating, max | Maximum short circuit current rating to match specified fuse/circuit breaker capability |
| Intermittent overload | 110% overload capability for up to 1 min, 150% overload capability for up to 3 s |
| Height, approx | IP20, NEMA/UL Type 1: 225.7 mm |
|---|---|
| Depth, approx | IP20, NEMA/UL Type 1: 179.8 mm |
| Width, approx | IP20, NEMA/UL Type 1: 122.4 mm |
| Weight, approx | IP20, NEMA/UL Type 1: 2.71 kg |
| Altitude | 1000 m (3300 ft.) maximum without derating |
|---|---|
| Degree of protection (NEMA) | 1 |
| Surrounding air temperature, max | IP20, NEMA/UL Type 1: 0...50 °C (32...122 °F) without derating |
| Atmosphere | Drive must not be installed in an area where the ambient atmosphere contains volatile or corrosive gas, vapors or dust, If the drive is not going to be installed immediately, store the drive where it is not exposed to a corrosive atmosphere |
| Storage temperature | -40 °C |
| Relative humidity | 5...95% noncondensing |
| Pollution degree 1 according to EN 61800-5-1 | No pollution occurs, only dry non-conductive pollution occurs, and has no influence |
| Pollution degree 4 according to EN 61800-5-1 | The pollution generates persistent conductivity caused, for exAle, by conductive dust, rain or snow |
| Pollution degree 3 according to EN 61800-5-1 | Conductive pollution occurs, dry non-conductive pollution occurs and becomes conductive due to condensation |
| Pollution degree 2 according to EN 61800-5-1 | Normally only non-conductive pollution occurs, Occasionally a temporary conductivity, caused by condensation is expected when the drive is out of ops |
| Surrounding environment pollution degree | All enclosures are acceptable for pollution degree 1 and 2, an enclosure that meets or exceeds IP54, NEMA/UL type 12, is required for pollution degree 3 and 4 |
Sales Info
| Repairable | REPAIRABLE |
| Preferred Availability | false |
| Quick Turnaround | false |
| Dimension Height | 31.394 |
| Lead Time | 53 |
| Dimension Width | 29.693 |
| Dimension Length | 34.798 |
| Stock Status | NON_STOCKED |
| Weight | 3.998 |
| Weight Unit | KG |
| Dimension Unit | CM |
| Drawings | |
|---|---|
| Control Terminal Block Drawing | Download (PDF) |
| 3D STEP (STP) Model | Download (ZIP) |
| Dimension Drawing (Catalog Pages) | Download (PDF) |
| 2D Dimension Drawing (DWG/DXF) | Download (ZIP) |
| PowerTerminal Block Drawing | Download (PDF) |
| 2D Dimension Drawing (PDF) | Download (PDF) |
| Drawings |
|---|
| Control Terminal Block Drawing Download (PDF) |
| 3D STEP (STP) Model Download (ZIP) |
| Dimension Drawing (Catalog Pages) Download (PDF) |
| 2D Dimension Drawing (DWG/DXF) Download (ZIP) |
| PowerTerminal Block Drawing Download (PDF) |
| 2D Dimension Drawing (PDF) Download (PDF) |
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| Type | Resource | Publication |
|---|---|---|
| Application Techniques | APPLICATION_TECHNIQUES_pflex-at001_-en-p | PFLEX-AT001 |
| General | Fuse Size Table | -- |
| General | Routine Maintenance Guidelines | -- |
| General | Product Cutsheet | -- |
| General | PowerFlex 70 700 Reference Manual - Vol 1 | PFLEX-RM001 |
| General | User Manual | -- |
| General | Wire Size Table | -- |
| General | Product Brochure | -- |
| General | Product Profile | -- |
| General | User Manual Documentation Update | -- |
| General | Parameter List | -- |
| General | Specification Sheet | -- |
| General | Drive Specification | -- |
| Installation Instructions | INSTALLATION_INSTRUCTIONS_20a-in002_-mu-p | 20A-IN002 |
| Quick Reference | QUICK_REFERENCE_20him-qr001_-mu-p | 20HIM-QR001 |
| Reference Manual | REFERENCE_MANUAL_pflex-rm004_-en-e | PFLEX-RM004 |
| Technical Data | 20a-td001_-en-p | 20A-TD001 |
| User Manual | USER_MANUAL_20a-um001_-en-p | 20A-UM001 |
| Wiring Diagram | WIRING_DIAGRAM_21vw-wd002_-en-p | 21VW-WD002 |
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Technical Specifications
| Brake IGBT | Brake IGBT Installed |
|---|---|
| Brake Resistor | With Internal |
| Feedback Options | No ftdback |
| Filter Options | W/O EMC Filt & ComModeChoke |
| Internal Communication Module | No Communication Module |
| Product Family | PowerFlex 70 AC Drive |
| Degree of protection (IP) | IP20 |
|---|---|
| Shock | 15 G peak for 11 ms duration (±1.0 ms) |
| Vibration | 0.152 mm (0.006 in) displacement, 1 G peak |
| Number of analogue outputs | 1 None |
|---|---|
| Mains voltage | 400 V |
| Integrated breaking resistance | True |
| Internal dynamic brake resistors | 115 ohm |
| Brake IGBT | Brake IGBT installed |
| Bus undervoltage output shutoff | 305V DC @ 380/400V |
| Bus undervoltage fault level | 300V DC @ 380/400V |
| Internal communication module | No communication module |
| AC input undervoltage trip | 233V AC @ 380/400V |
| Bus voltage, nom | 540V DC @ 380/400V |
| Bus overvoltage trip | 810V DC @ 380/400V |
| Circuit breaker current rating, max | 15A @ 400V AC, 3-phase |
| Motor circuit protector current rating, max | 7A @ 400V AC, 3-phase |
| Output current rating, continuous | 2.1A @ 400V AC, 3-phase |
| Output current rating, 1 min | 2.4A @ 400V AC, 3-phase |
| Output current rating, 3 sec | 3.2A @ 400V AC, 3-phase |
| Logic control ride-thru | 0.5 s minimum, 2 s typical |
| Brake resistor | Drive mounted brake resistor installed |
| Input current rating | 2.5A @ 400V AC, 3-phase |
| Documentation | Manual |
| Carrier frequency | Standard control: 2, 3, 4, 5, 6, 7, 8, 9, and 10 kHz, vector control: 2, 4, 8, and 12 kHz, drive rating based on 4 kHz |
| Encoder quadrature | 90° ±27° |
| AC input overvoltage trip | 475V AC @ 380/400V |
| Input power rating | 1.8 kVA @ 400V AC, 3-phase |
| Dual element time delay fuse current rating | 6A @ 400V AC, 1-phase |
| Non-time delay fuse current rating | 4...8A @ 400V AC, 3-phase |
| Heat sink thermistor | Monitored by microprocessor overtemp trip |
| Drive to motor power ratio, max | Recommended not greater than 2:1 ratio |
| Stop modes | Multiple progmable stop modes including - RA, Coast, DC-brake, Fast brake, RA-to-hold and S-curve |
| Acceleration/deceleration | Two independently progmable accel and decel times. Each time can be progmed from 0...3600 s in 0.1 s increments |
| Frequency accuracy | Digital input: within ±0.01% of set output frequency |
| Number of digital inputs | 6 None |
| Number of digital outputs | 2 None |
| Internal watts loss | 19.5 W @ 400V @ 0.75Hp normal duty |
| Number of analogue inputs | 2 None |
| Motor voltage, nom | 460V @ 380...480V drive rating, 480V nominal line voltage |
| Human interface model | No HIM-blank plate |
| Supporting protocol for DeviceNet | True |
| Application in industrial area permitted | True |
| External watts loss | 27.8 W @ 400V @ 0.75Hp normal duty |
| Total watts loss | 47.3 W @ 400V @ 0.75Hp normal duty |
| Line voltage, nom | 480V @ 380...480V drive rating, 460V nominal motor voltage |
| Supporting protocol for EtherNet/IP | True |
| Mains frequency | 50 Hz |
| Output frequency range | Standard control: 0...400 Hz, enhanced control: 0...500 Hz |
| Internal EMC filtering | Without EMC filter & common mode choke |
| Feedback option | No ftdback |
| Drive full power range | 460...528V @ 380...480V drive rating, 460V nominal motor voltage |
| Drive operating range | 342...528V @ 380...480V drive rating, 460V nominal motor voltage |
| Torque regulation | Without ftdback +/-10%, with ftdback +/-5% |
| Enclosure type | Panel mount-IP20/NEMA Type 1 |
| Output current rating | 2.1 A, 0.75 kW normal duty, 0.55 kW heavy duty, frame A |
| Cooling fan operation | Frames B, D, and E: fan operates when power is applied and in run condition |
| Control options | Enhanced control with 24V I/O |
| Drive overcurrent trip | Software current limit: 20...160% of rated current |
| Efficiency | 97.5% at rated A, nominal line volts |
| Encoder supply | 5V/12V configurable ±5% |
| Speed control-speed regulation | Without ftdback (Vector Control mode): 0.1% of base speed across 120:1 speed range, 120:1 operating range, 30 rad/sec bandwidth |
| Current limit capability | Proactive current limit progmable from 20...160% of rated output current, Independently progmable proportional and integral gain |
| Selectable motor control | Sensorless vector with full tuning. Standards V/Hz with full custom capability and vector control |
| Frequency control-speed regulation | With slip compensation (Volts per Hz mode): 0.5% of base speed across 40:1 speed range, 40:1 operating range, 10 rad/sec bandwidth |
| Input phases | Three-phase input provides full rating for all drives. single-phase ops provides 50% of rated current |
| Control method | Sine coded PWM with progmable carrier frequency. Ratings apply to all drives |
| Number of HW-interfaces RS-232 | 2 None |
| Number of HW-interfaces RS-485 | 2 None |
| Number of HW-interfaces USB | 2 None |
| Number of phases output | 3 None |
| Number of phases input | 3 None |
| Relative symmetric net voltage tolerance | 10 % |
| With control element | True |
| Supporting protocol for TCP/IP | True |
| Supporting protocol for PROFIBUS | True |
| Supporting protocol for CAN | True |
| Supporting protocol for Modbus | True |
| Application in domestic- and commercial area permitted | True |
| Motor overload protection | Class 10 motor overload protection according to NEC article 430 and motor over-temperature protection according to NEC article 430.126 (A)(2). UL 508C file E59272 |
| Input frequency tolerance | 47 Hz |
| Encoder duty cycle | 50% ±10% |
| Voltage tolerance | -10 % |
| Displacement power factor (all drives) | 0.98 across speed range |
| Short circuit rating, max | 200000 A symmetrical |
| Output voltage range | 0 to rated motor voltage |
| Encoder type | Incremental, dual channel |
| Power ride-thru | 15 ms at full load |
| Short circuit trip | Phase-to-phase on drive output |
| Ground fault trip | Phase-to-ground on drive output |
| Drive to motor power ratio, min | Recommended not less than 1:2 ratio |
| Control logic noise immunity | Showering arc transients upto 1500V peak |
| Line transients | Up to 6000 volts peak per IEEE C62.41-1991 |
| Short circuit current rating, max | Maximum short circuit current rating to match specified fuse/circuit breaker capability |
| Intermittent overload | 110% overload capability for up to 1 min, 150% overload capability for up to 3 s |
| Height, approx | IP20, NEMA/UL Type 1: 225.7 mm |
|---|---|
| Depth, approx | IP20, NEMA/UL Type 1: 179.8 mm |
| Width, approx | IP20, NEMA/UL Type 1: 122.4 mm |
| Weight, approx | IP20, NEMA/UL Type 1: 2.71 kg |
| Altitude | 1000 m (3300 ft.) maximum without derating |
|---|---|
| Degree of protection (NEMA) | 1 |
| Surrounding air temperature, max | IP20, NEMA/UL Type 1: 0...50 °C (32...122 °F) without derating |
| Atmosphere | Drive must not be installed in an area where the ambient atmosphere contains volatile or corrosive gas, vapors or dust, If the drive is not going to be installed immediately, store the drive where it is not exposed to a corrosive atmosphere |
| Storage temperature | -40 °C |
| Relative humidity | 5...95% noncondensing |
| Pollution degree 1 according to EN 61800-5-1 | No pollution occurs, only dry non-conductive pollution occurs, and has no influence |
| Pollution degree 4 according to EN 61800-5-1 | The pollution generates persistent conductivity caused, for exAle, by conductive dust, rain or snow |
| Pollution degree 3 according to EN 61800-5-1 | Conductive pollution occurs, dry non-conductive pollution occurs and becomes conductive due to condensation |
| Pollution degree 2 according to EN 61800-5-1 | Normally only non-conductive pollution occurs, Occasionally a temporary conductivity, caused by condensation is expected when the drive is out of ops |
| Surrounding environment pollution degree | All enclosures are acceptable for pollution degree 1 and 2, an enclosure that meets or exceeds IP54, NEMA/UL type 12, is required for pollution degree 3 and 4 |
Sales Info
| Repairable | REPAIRABLE |
| Preferred Availability | false |
| Quick Turnaround | false |
| Dimension Height | 31.394 |
| Lead Time | 53 |
| Dimension Width | 29.693 |
| Dimension Length | 34.798 |
| Stock Status | NON_STOCKED |
| Weight | 3.998 |
| Weight Unit | KG |
| Dimension Unit | CM |
Drawings
| Drawings | |
|---|---|
| Control Terminal Block Drawing | Download (PDF) |
| 3D STEP (STP) Model | Download (ZIP) |
| Dimension Drawing (Catalog Pages) | Download (PDF) |
| 2D Dimension Drawing (DWG/DXF) | Download (ZIP) |
| PowerTerminal Block Drawing | Download (PDF) |
| 2D Dimension Drawing (PDF) | Download (PDF) |
| Drawings |
|---|
| Control Terminal Block Drawing Download (PDF) |
| 3D STEP (STP) Model Download (ZIP) |
| Dimension Drawing (Catalog Pages) Download (PDF) |
| 2D Dimension Drawing (DWG/DXF) Download (ZIP) |
| PowerTerminal Block Drawing Download (PDF) |
| 2D Dimension Drawing (PDF) Download (PDF) |
Sign in to your Rockwell Automation account to view and download technical drawings.
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Documents
|
APPLICATION_TECHNIQUES_pflex-at001_-en-p
Application Techniques
PFLEX-AT001 |
|
Fuse Size Table
General
-- |
|
Routine Maintenance Guidelines
General
-- |
|
Product Cutsheet
General
-- |
|
PowerFlex 70 700 Reference Manual - Vol 1
General
PFLEX-RM001 |
|
User Manual
General
-- |
|
Wire Size Table
General
-- |
|
Product Brochure
General
-- |
|
Product Profile
General
-- |
|
User Manual Documentation Update
General
-- |
|
Parameter List
General
-- |
|
Specification Sheet
General
-- |
|
Drive Specification
General
-- |
|
INSTALLATION_INSTRUCTIONS_20a-in002_-mu-p
Installation Instructions
20A-IN002 |
|
QUICK_REFERENCE_20him-qr001_-mu-p
Quick Reference
20HIM-QR001 |
|
REFERENCE_MANUAL_pflex-rm004_-en-e
Reference Manual
PFLEX-RM004 |
|
20a-td001_-en-p
Technical Data
20A-TD001 |
|
USER_MANUAL_20a-um001_-en-p
User Manual
20A-UM001 |
|
WIRING_DIAGRAM_21vw-wd002_-en-p
Wiring Diagram
21VW-WD002 |
| Type | Resource | Publication |
|---|---|---|
| Application Techniques | APPLICATION_TECHNIQUES_pflex-at001_-en-p | PFLEX-AT001 |
| General | Fuse Size Table | -- |
| General | Routine Maintenance Guidelines | -- |
| General | Product Cutsheet | -- |
| General | PowerFlex 70 700 Reference Manual - Vol 1 | PFLEX-RM001 |
| General | User Manual | -- |
| General | Wire Size Table | -- |
| General | Product Brochure | -- |
| General | Product Profile | -- |
| General | User Manual Documentation Update | -- |
| General | Parameter List | -- |
| General | Specification Sheet | -- |
| General | Drive Specification | -- |
| Installation Instructions | INSTALLATION_INSTRUCTIONS_20a-in002_-mu-p | 20A-IN002 |
| Quick Reference | QUICK_REFERENCE_20him-qr001_-mu-p | 20HIM-QR001 |
| Reference Manual | REFERENCE_MANUAL_pflex-rm004_-en-e | PFLEX-RM004 |
| Technical Data | 20a-td001_-en-p | 20A-TD001 |
| User Manual | USER_MANUAL_20a-um001_-en-p | 20A-UM001 |
| Wiring Diagram | WIRING_DIAGRAM_21vw-wd002_-en-p | 21VW-WD002 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Search the Literature Library
Accessories
Technotes
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Sign In
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
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