Products Description
| Company Information | |||
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| Mobile | +8613950166376 | ||
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Technical Specifications
| Parameter | Description |
|---|---|
| Product Model | Allen-Bradley 20G11NC072JA0NNNNN |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Series | PowerFlex® 755 |
| Product Type | Air-Cooled AC Variable Frequency Drive (VFD) |
| Function | Provides advanced speed, torque, and position control for three-phase AC motors |
| Application | Pumps, fans, conveyors, compressors, mixers, extruders, and industrial automation systems |
| Drive Type | PowerFlex 755 AC Drive with Embedded EtherNet/IP |
| Input Voltage | 400 VAC, Three-phase |
| Output Current | 72 A |
| Motor Power Rating | 37 kW (Normal Duty), 30 kW (Heavy Duty) |
| Input Configuration | AC Input with DC Terminals |
| Input Frequency | 50/60 Hz |
| Frame Size | Frame 4 |
| Enclosure Rating | IP20 / IP00, NEMA/UL Open Type |
| Cooling Method | Forced Air |
| EMC Filtering | Integrated EMC Filter |
| CM Jumper | Installed (Preferred) |
| Dynamic Braking | Built-in Dynamic Braking Transistor |
| Communication | Embedded EtherNet/IP |
| Human Interface Module (HIM) | Blank (No HIM) |
| Embedded I/O | Standard Embedded I/O |
| Control Modes | V/Hz Control, Sensorless Vector Control, Vector Control with FORCE™ Technology, PID Control |
| Safety Function | Supports Safe Torque Off (STO) with optional safety modules |
| Mounting Type | Panel Mount |
| Operating Temperature | -20°C to +50°C (without derating) |
| Dimensions | Approx. 480 × 222 × 300 mm (H × W × D) |
| Weight | Approx. 18 kg |
FAQ
FAQ
Q1: What is the Allen-Bradley 20G11NC072JA0NNNNN used for?
A: The 20G11NC072JA0NNNNN is used for controlling three-phase AC motors in applications such as pumps, fans, conveyors, compressors, and process machinery that require accurate speed and torque control.
Q2: What are the voltage and current ratings of this drive?
A: The drive operates on a 400 VAC three-phase power supply and provides 72 A output current. It supports 37 kW Normal Duty and 30 kW Heavy Duty motor applications.
Q3: Does the 20G11NC072JA0NNNNN include a built-in braking transistor?
A: Yes. This model includes a built-in dynamic braking transistor, allowing connection of an external braking resistor for applications requiring faster deceleration or improved stopping performance.
Q4: What type of enclosure does this PowerFlex 755 drive use?
A: The drive uses an IP20/IP00 NEMA/UL Open Type enclosure and is intended for installation inside a suitable industrial control cabinet with proper ventilation.
Q5: Does the 20G11NC072JA0NNNNN include a keypad or HIM module?
A: No. This configuration is supplied as Blank (No HIM). A compatible PowerFlex HIM can be installed separately for local programming, monitoring, and diagnostics.
Q6: What are the dimensions and weight of the 20G11NC072JA0NNNNN?
A: The drive dimensions are approximately 480 × 222 × 300 mm, and the weight is approximately 18 kg. The compact Frame 4 design allows installation in standard industrial control cabinets.
Q7: What communication features are available on this drive?
A: The PowerFlex 755 includes embedded EtherNet/IP communication, allowing direct integration with Rockwell Automation Logix control systems. Optional communication, feedback, and safety modules can also be added for expanded system requirements.
Q8: What should be checked before installing the 20G11NC072JA0NNNNN?
A: Before installation, verify the incoming three-phase power supply, motor ratings, wiring, grounding, cabinet ventilation, network configuration, braking resistor requirements, and drive parameters to ensure safe and reliable operation.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
