Frame 2 endpoint
The 11.5 A drive serves the lower kW class on the compact Frame 2 platform.
Allen-Bradley · PowerFlex 755
Allen-Bradley 20G11NC011JA0NNNNN / 20G11NC072JA0NNNNN PowerFlex 755 400 V EtherNet/IP Drives
AC DRIVE7552 CATALOG NUMBERS
Product Description
A 400 V drive system can use Allen-Bradley 20G11NC011JA0NNNNN and 20G11NC072JA0NNNNN as PowerFlex 755 variable-frequency drives with embedded EtherNet/IP. Both convert incoming three-phase power into regulated motor output, and their embedded interfaces carry network commands and references toward the drive controller while returning operating and diagnostic data to the automation controller.
Although 20G11NC011JA0NNNNN and 20G11NC072JA0NNNNN share filtered AC input with DC terminals, a DB transistor, forced-air cooling and a blank HIM selection, their power hardware is not interchangeable. The lower-output drive uses Frame 2 and the 72 A drive uses Frame 4, so current capacity, motor-duty rating, mounting outline and service parts change together.
Technical Specifications
| Technical Item | 20G11NC011JA0NNNNN | 20G11NC072JA0NNNNN |
|---|---|---|
| Brand | Allen-Bradley | |
| Product Type | PowerFlex 755 AC Drive, with Embedded Ethernet/IP | |
| Brand Country | United States | |
| Corrosive Gas Protection and Cooling Type | Standard Protection, Forced Air | |
| Voltage Class | 400 VAC, 3 PH | |
| Output Current | 11.5 Amps, (Fr1 5.5kW ND, 4kW HD/Fr2 5.5kW ND, 5.5kW HD) | 72 Amps, 37kW ND, 30kW HD |
| Enclosure Type | IP20/IP00, NEMA/UL Open Type | |
| Input Type | AC Input with DC Terminals | |
| Frame Size | Frame 2 | Frame 4 |
| EMC Filtering Options | Filtered, CM jumper installed (preferred) | |
| Dynamic Braking | DB Transistor | |
| HIM | Blank (No HIM) | |
| Maximum Surrounding Air Temperature | 0...50 °C (32...122 °F) | |
| Storage Temperature | -40...70 °C (-40...158 °F) | |
| Relative Humidity | 5...95%, noncondensing | |
| Input Frequency Tolerance | 47...63 Hz | |
| Displacement Power Factor | 0.98 across the speed range | |
| Efficiency | 97.5% at rated current and nominal line voltage | |
| Output Voltage Range | 0 to rated motor voltage | |
| Output Frequency Range | 0...325 Hz at 2 kHz carrier; 0...590 Hz at 4 kHz carrier | |
| Maximum Short-Circuit Rating | 200,000 A RMS symmetrical | |
| Operating Shock | 15 g peak for 11 ms | |
| Operating Vibration | 1.000 mm displacement, 2 g peak | 1.000 mm displacement, 1.5 g peak |
400 V Drive Scaling
PowerFlex 755
The two catalog numbers show how one control platform spans separated power and frame classes.
Frame 4 endpoint
The 72 A drive raises motor capacity and uses the larger Frame 4 power and cooling assembly.
Common voltage class
Both remain 400 V three-phase products; the shared voltage does not remove the current, duty and mechanical differences.
EtherNet/IP Monitoring Path
Configured network data moves between the controller, drive regulator and power stage status.
Reference delivery
The controller can deliver the assigned speed or torque reference through the embedded EtherNet/IP connection.
Operating feedback
The drive returns selected status and feedback values so the controller can observe the commanded motor-control process.
Diagnostic separation
Network status identifies communications conditions, while power-stage and motor faults remain drive diagnostics with their own causes.
Frequently Asked Questions
Two machines use the same 400 V supply. Can one spare cover both 20G11NC011JA0NNNNN and 20G11NC072JA0NNNNN without panel changes?
No. Their current and motor-power ratings differ, and the hardware changes from Frame 2 to Frame 4. A common supply class does not make them electrical or mechanical substitutes.
A controller program exchanges commands and status with 20G11NC011JA0NNNNN / 20G11NC072JA0NNNNN. Is a separate network adapter part of the order?
No. Both drives include embedded EtherNet/IP, but each catalog number still requires its own network address and drive parameters for the selected motor and duty.
A high-speed motor requires output above 325 Hz. What carrier-frequency boundary applies to 20G11NC011JA0NNNNN / 20G11NC072JA0NNNNN?
The output range is 0...325 Hz at a 2 kHz carrier and 0...590 Hz at a 4 kHz carrier. The required motor and application limits must also agree with the chosen output frequency.
20G11NC011JA0NNNNN / 20G11NC072JA0NNNNN will be stored before installation. What temperature range applies while they are not operating?
The specified storage range is -40...70 °C (-40...158 °F). Storage must also remain within the stated noncondensing humidity conditions.
Local parameter entry is required during startup of 20G11NC011JA0NNNNN / 20G11NC072JA0NNNNN. What is missing from the ordered configuration?
Both HIM selections are blank. A compatible parameter-access interface must therefore be provided separately for local viewing or entry.
Moore Automation
Why Choose Us
Moore Automation focuses on original automation products, clear product-condition communication and practical order support. Customers also receive a one-year warranty, fast delivery options and an online response within 12 hours.
original supplyclear condition detailsfast deliveryone-year warranty
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