Company Information
E-mail		[email protected]
Mobile		+8615980777398
Whatsapp		+8615980777398
WeChat		15980777398

20G11JC1K1JN0NNNNN — Detailed Product Overview, Technical Parameters, Applications, Advantages and Related Models

Note: As requested, the following content is presented in English, without web links, company names, source lists, or citation-style references. The technical description is written in a straightforward product-documentation style. For dimensions and weight, where the exact packaged configuration can vary, the table explicitly identifies the value as approximate or configuration-dependent rather than presenting an uncertain figure as an exact specification.

---

1. Product Identification

The 20G11JC1K1JN0NNNNN is a high-power AC variable-frequency drive from the PowerFlex 755 series.

It is a 400 VAC, three-phase, Frame 9 industrial drive designed for large motor applications. The configuration provides a rated output current of approximately 1,090 A, with power ratings of approximately 710 kW for Light Duty, 630 kW for Normal Duty, and 500 kW for Heavy Duty.

This is a large cabinet-style drive rather than a compact wall-mounted inverter. It is intended for demanding industrial installations where the motor, mechanical load and production process require high power, adjustable speed, controlled acceleration and integration with an industrial automation system.

The configuration uses forced-air cooling, an IP54 / Type 12 enclosure arrangement, an 800 mm deep MCC-style cabinet, AC input with DC terminals, integrated EtherNet/IP communication, filtering with the CM jumper installed, no dynamic braking, and a blank configuration without a HIM.

---

2. Basic Product Parameters

Important: The dimensions and weight of a Frame 9 packaged drive can vary with cabinet configuration, installed options, shipping arrangement and accessories. The values above should therefore be treated as preliminary engineering values rather than fabrication or lifting-document values.

---

3. Product Series

The product belongs to the:

PowerFlex 755 AC Drive Series

The PowerFlex 755 is a high-performance industrial AC drive platform intended for applications where a basic speed controller is not sufficient.

The series provides a combination of motor-speed control, torque control, industrial networking, diagnostics, optional feedback, safety functions and configurable hardware.

It is particularly suitable for machinery that forms part of a larger automated production system.

Typical industries include:

• Material handling.
• Mining.
• Metals.
• Cement.
• Oil and gas.
• Refining.
• Manufacturing.
• Process industries.
• Water and wastewater.
• Heavy industrial production.

---

4. Product Model Interpretation

The catalog number contains configuration information that identifies the electrical and mechanical arrangement of the drive.

For practical selection purposes, the most important characteristics of this particular configuration are:

The complete catalog number should be retained when specifying a replacement. Selecting another drive merely because it has the same voltage or approximate kW rating may result in differences in enclosure, braking, filtering, operator interface, input arrangement or other options.

---

5. Electrical Performance

The principal electrical rating of this model is approximately:

1,090 A output current

This is a very high-current drive intended for large industrial motors.

The corresponding duty ratings are:

The three ratings should not be interpreted as three separate simultaneous operating capacities.

They represent different loading conditions and overload requirements.

For example, a large centrifugal fan or pump may have relatively predictable torque characteristics, while a conveyor or heavy process machine may require significantly greater starting and overload torque.

Therefore, the motor nameplate current and actual mechanical load are more important than simply matching the kW value.

---

6. Light-Duty Rating — 710 kW

The approximate 710 kW Light-Duty rating makes the drive suitable for very large variable-torque applications.

Typical examples include:

• Large centrifugal fans.
• Large ventilation systems.
• Cooling-water pumps.
• Large process pumps.
• Industrial blowers.
• Air-handling equipment.
• Large exhaust systems.
• Certain water-treatment systems.

Variable-speed operation can allow the process to operate closer to its actual demand instead of continuously running the motor at full speed.

---

7. Normal-Duty Rating — 630 kW

The 630 kW Normal-Duty rating is particularly relevant to continuous industrial machinery.

Possible applications include:

• Large pumps.
• Process fans.
• Conveyors.
• Blowers.
• Material-handling equipment.
• Large rotating machinery.
• Industrial process systems.

For a 630 kW motor, the motor’s actual rated current should be compared directly with the drive’s output-current rating.

This is especially important when the motor has a high power factor, unusual efficiency characteristics, special cooling requirements or a demanding operating cycle.

---

8. Heavy-Duty Rating — 500 kW

The approximate 500 kW Heavy-Duty rating is intended for more demanding load conditions.

Potential applications include:

• Heavy conveyors.
• Crushers.
• Mining equipment.
• High-inertia machinery.
• Large material-handling systems.
• Heavy process equipment.
• Machines requiring significant acceleration torque.

Heavy-duty selection is especially important when the machine has frequent starts and stops, high inertia or significant torque requirements at low speed.

---

9. Mechanical Parameters

The exact mechanical drawing should be used when designing the foundation, transportation route, lifting system or electrical room layout.

---

10. Size and Weight

Because this is a Frame 9, high-current packaged drive, it is substantially larger than compact drives.

For preliminary equipment-room planning, the following values can be used:

The final shipping weight should not be assumed from the electrical rating alone.

Installed options, cabinet sections, packaging and accessories can alter the final weight.

---

11. Product Introduction

The 20G11JC1K1JN0NNNNN is intended to regulate the speed and torque of large three-phase AC motors.

Instead of operating the motor only at the fixed speed determined by the supply frequency, the drive changes the electrical output delivered to the motor.

This makes it possible to adjust motor speed according to the production process.

For example, a large pump may operate at a lower speed during low-demand conditions and increase speed when process demand rises.

A conveyor can accelerate gradually rather than applying full mechanical torque immediately.

A large fan can adjust airflow according to process requirements.

A high-inertia machine can use programmed acceleration and deceleration rather than uncontrolled starting and stopping.

This type of operation can improve process control while reducing unnecessary mechanical stress.

---

12. Main Features

High Current Capacity

The 1,090 A output rating makes this configuration appropriate for large industrial motors.

It is intended for applications where smaller drive frames would not provide sufficient current capacity.

---

High Power Capability

The drive reaches approximately:

710 kW LD

630 kW ND

500 kW HD

This places it firmly in the large industrial-drive category.

---

Three-Phase 400 VAC Operation

The drive is designed for a 400 VAC three-phase industrial power system.

This voltage class is widely used in industrial plants and large machinery installations.

---

Forced-Air Cooling

The drive uses forced-air cooling to remove heat generated by its power electronics.

Because of the high output-current rating, correct airflow is essential.

The installation should provide adequate room ventilation and should prevent blocked air passages.

---

IP54 / Type 12 Enclosure

The enclosure is designed for industrial environments where protection against dust and incidental moisture is required.

It is suitable for many indoor industrial applications when installed in an appropriate environment.

---

13. Industrial Communication

One of the practical advantages of the PowerFlex 755 architecture is its ability to communicate with an industrial control system.

This particular configuration includes embedded EtherNet/IP.

The network can be used for information such as:

• Start command.
• Stop command.
• Speed reference.
• Actual speed.
• Output frequency.
• Output current.
• Torque.
• Drive status.
• Warning status.
• Fault status.
• Diagnostic information.

This allows the drive to be integrated into a centralized control architecture.

---

14. Typical Automation Architecture

A typical application can be arranged as:

Operator Panel

↓

Industrial Controller

↓

EtherNet/IP Network

↓

20G11JC1K1JN0NNNNN

↓

630 kW-Class AC Motor

↓

Pump / Fan / Conveyor / Process Machine

The drive therefore becomes part of the overall automation system rather than functioning as an isolated motor controller.

---

15. Product Applications

15.1 Large Pumping Systems

Large pumps are an important application area.

Typical uses include:

• Industrial water circulation.
• Cooling-water systems.
• Process-water systems.
• Water transfer.
• Wastewater treatment.
• Mining-water systems.
• Large industrial pumping systems.

Variable-speed operation can provide better control over flow and pressure.

---

15.2 Large Fans

Large fans can require several hundred kilowatts of motor power.

Potential applications include:

• Furnace ventilation.
• Industrial exhaust.
• Cooling systems.
• Process-air systems.
• Dust extraction.
• Factory ventilation.
• Combustion-air systems.

The ability to adjust fan speed allows airflow to be controlled according to process requirements.

---

15.3 Blowers

The drive can also be applied to large blower systems.

Examples include:

• Aeration.
• Pneumatic conveying.
• Process air.
• Industrial ventilation.
• Combustion systems.

---

15.4 Conveyors

Heavy conveyors can require substantial starting torque.

Applications include:

• Mining conveyors.
• Cement conveyors.
• Aggregate conveyors.
• Bulk-material handling.
• Port handling.
• Heavy manufacturing.

Controlled acceleration can reduce mechanical shock on belts, gearboxes and couplings.

---

15.5 Mining

Large industrial drives are frequently required for:

• Long conveyors.
• Mine ventilation.
• Large pumps.
• Material handling.
• Processing machinery.
• Crushing-related systems.

The drive’s high-current capacity makes it appropriate for large motor installations.

---

15.6 Cement and Aggregate Equipment

Potential applications include:

• Large process fans.
• Conveyors.
• Pumps.
• Blowers.
• Dust collection.
• Material handling.
• Processing equipment.

---

15.7 Metals and Heavy Manufacturing

Potential applications include:

• Cooling pumps.
• Process fans.
• Conveyors.
• Material handling.
• Large auxiliary machinery.
• Process equipment.

---

16. Application Summary

---

17. Product Advantages

17.1 High Output Current

The primary advantage is the 1,090 A output-current capacity.

This allows the drive to control very large motors without requiring several smaller drives to perform the same basic function.

---

17.2 High Motor-Power Capability

The approximately 710 kW LD / 630 kW ND / 500 kW HD ratings allow the drive to cover a wide range of large industrial applications.

---

17.3 Flexible Load Applications

The platform can be applied to different load characteristics.

This makes it useful for both variable-torque equipment and demanding constant-torque machinery when the drive is correctly sized.

---

17.4 Network Integration

Embedded EtherNet/IP makes it easier to integrate the drive into an industrial automation system.

---

17.5 Controlled Acceleration

A large motor can be accelerated according to a programmed ramp.

This can reduce sudden mechanical loading.

---

17.6 Controlled Deceleration

Controlled deceleration can help prevent abrupt stopping and excessive mechanical stress.

For applications requiring regenerative or dynamic braking, however, the specific braking arrangement must be selected separately because this particular configuration has no dynamic braking.

---

17.7 Diagnostics

Drive operating information and fault information can assist maintenance personnel.

This can make troubleshooting more systematic.

---

17.8 Industrial Cabinet Construction

The large cabinet arrangement is intended for industrial electrical rooms and machinery installations.

The IP54 / Type 12 configuration provides substantially more environmental protection than an open-frame installation.

---

18. Maintenance Advantages

Useful information available from a modern industrial drive can include:

• Output current.
• Output frequency.
• Motor speed.
• Torque.
• Drive status.
• Fault status.
• Alarm status.
• Temperature-related information.
• Communication status.
• Operating conditions.

Maintenance personnel can use this information to identify abnormal operation and investigate problems before they become major failures.

---

19. Installation Considerations

Because the equipment is approximately 1.2–1.3 tonnes, installation needs careful planning.

Floor Loading

The floor and foundation must be able to support the cabinet and associated equipment.

Transportation

The cabinet requires suitable handling equipment.

Lifting

Approved lifting points and the correct lifting procedure should be used for the actual cabinet.

Ventilation

Adequate ventilation must be maintained.

Cable Routing

High-current input and motor cables require suitable routing and support.

Grounding

Correct protective grounding and bonding are essential.

Maintenance Clearance

Adequate service space should be provided around the cabinet.

---

20. Environmental Considerations

The exact environmental limits should be evaluated against the complete installation conditions.

---

21. Recommended Maintenance Schedule

---

22. Five Recommended Models from the Same Series or Closely Related Range

The following models are useful for comparison when selecting a PowerFlex 755 configuration around the same high-power range.

Model selection note: The models above are not interchangeable simply because they belong to the same series. Current rating, duty rating, braking, filtering, cabinet options and other suffix selections should be checked against the actual motor and machine requirements.

---

23. Comparison of the Same-Series Models

---

24. Recommended Model 1

20G11JC1K0JN0NNNNN

This is a closely related 1,040 A configuration.

It is particularly useful when the motor current is slightly below the requirement of the 1,090 A model.

---

25. Recommended Model 2

20G11JC1K0JN4NNNNN

This model is another close configuration within the same 1,040 A class.

It can be considered where the application requires the same general current and power class but a different catalog option arrangement.

---

26. Recommended Model 3

20G11JC1K1JN4NNNNN

This is the closely related JN4 configuration of the same 1,090 A electrical class.

It is worth considering when the complete configuration requirements call for the JN4 option arrangement.

---

27. Recommended Model 4

20G11JC1K2JN0NNNNN

This model increases the output-current capacity to approximately 1,175 A.

It is a useful choice when the motor’s current requirement is higher than the 1,090 A class.

---

28. Recommended Model 5

20G11JC1K2JN4NNNNN

This is another 1,175 A-class configuration.

It can be considered where the electrical capacity is suitable but the required catalog option arrangement differs.

---

29. Five Popular Models from the Same Brand

The following models represent different capacity levels within the broader product portfolio and are useful for comparison.

---

30. Brand-Level Product Comparison

---

31. Technical Parameter Table

---

32. Advantages in Large Industrial Systems

For a large production line, one of the biggest advantages of this drive is its ability to combine high-power motor control with automation communication.

A conventional motor starter generally provides only basic start/stop operation.

A high-performance drive can provide considerably more control.

The motor can be operated at different speeds.

Acceleration can be programmed.

Deceleration can be programmed.

Operating conditions can be monitored.

Faults can be communicated to the control system.

Process speed can be changed automatically.

This makes the drive particularly valuable in production equipment where motor speed is directly related to process output.

---

33. Why the 1,090 A Rating Matters

The 1,090 A rating is more significant than simply stating that the drive is a 630 kW unit.

Motor current determines whether the drive has sufficient semiconductor and thermal capacity for the application.

Two motors with similar kW ratings can have different current requirements because of differences in:

• Motor efficiency.
• Power factor.
• Motor voltage.
• Motor design.
• Operating conditions.
• Duty cycle.
• Temperature.

Therefore, the correct selection procedure should begin with the motor nameplate.

The motor’s rated voltage and current should then be compared with the drive’s corresponding ratings.

---

34. Why Duty Rating Matters

The three ratings provide flexibility:

A fan and a heavy conveyor should not necessarily use the same rating even if their motor power appears similar.

The mechanical characteristics of the machine determine how much current and torque are required.

---

35. Overall Product Advantages

The key strengths of 20G11JC1K1JN0NNNNN can be summarized as follows:

1. 1,090 A high-current capacity.
2. 710 kW Light-Duty rating.
3. 630 kW Normal-Duty rating.
4. 500 kW Heavy-Duty rating.
5. 400 VAC three-phase operation.
6. Frame 9 high-power construction.
7. Forced-air cooling.
8. IP54 / Type 12 enclosure.
9. 800 mm deep MCC-style cabinet.
10. Embedded EtherNet/IP communication.
11. Suitable for large industrial motors.
12. Adjustable speed control.
13. Controlled acceleration and deceleration.
14. Industrial diagnostic capability.
15. Suitable for integration into automated production systems.

---

36. Final Summary

The 20G11JC1K1JN0NNNNN is a high-power PowerFlex 755 AC variable-frequency drive intended for large industrial motor applications.

Its primary electrical characteristics are:

400 VAC

3 Phase

1,090 A

710 kW Light Duty

630 kW Normal Duty

500 kW Heavy Duty

Frame 9

Forced-Air Cooling

IP54 / Type 12

800 mm Deep MCC-Style Cabinet

Embedded EtherNet/IP

The approximate physical planning size is 2300 × 1300 × 800 mm, with an estimated equipment weight of approximately 1,200–1,300 kg, although the final value depends on the complete cabinet and option configuration.

The drive is especially well suited to large pumps, industrial fans, blowers, conveyors, mining machinery, cement equipment, metals processing, material-handling systems and other high-power rotating machinery.

Its main advantages are high current capacity, high motor-power capability, adjustable speed, controlled acceleration and deceleration, industrial enclosure protection, network integration and flexible application capability.

For replacement or new-project selection, the most important items to verify are motor rated current, motor voltage, duty classification, load torque, acceleration requirements, braking requirements, ambient conditions, cooling requirements, cabinet dimensions and the complete catalog-number suffix.

In particular, the JN0 configuration should not automatically be treated as interchangeable with a visually similar JN4 configuration. The complete catalog number should be matched when a direct replacement is required.