Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The Allen-Bradley 20G1E4F370MNANNNNN is an air-cooled PowerFlex 755 AC packaged drive designed for large industrial motor-control applications.
This model belongs to the PowerFlex 755 family and is intended for installations where a high-capacity variable-frequency drive is required to control large AC motors used in demanding industrial machinery.
The 20G1E4F370MNANNNNN is a large-frame packaged configuration rather than a compact general-purpose inverter. Its physical construction, cooling arrangement, current capacity, and installation requirements are therefore more closely associated with large industrial motor systems.
The model is particularly suitable for equipment where controlled acceleration, controlled deceleration, variable motor speed, torque regulation, and integration with a plant automation system are required.
The “370” designation identifies a high-current class within this PowerFlex 755 configuration family. For final engineering selection, however, the drive should be matched to the motor nameplate current and required overload duty rather than selecting the drive from horsepower alone.
| Parameter | Specification |
|---|---|
| Model | 20G1E4F370MNANNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Product Type | Air-Cooled 755 AC Packaged Drive |
| Drive Category | Industrial Variable Frequency AC Drive |
| Application | Large industrial motor control |
| Current Class | 370 A class |
| Cooling | Air Cooled / Forced Air |
| Installation | Industrial packaged / floor-mounted installation |
| Drive Architecture | PowerFlex 755 high-performance AC drive platform |
| Motor Control | Variable-speed and torque control |
| Communication | PowerFlex 755 industrial communication architecture |
| Feedback | Configuration dependent |
| Braking | Configuration and application dependent |
| Enclosure | Configuration dependent |
| Dimensions | Configuration dependent; large-frame packaged-drive construction |
| Weight | Configuration dependent; large-frame packaged-drive construction |
| Mounting | Floor / industrial equipment installation |
| Typical Application | Large pumps, fans, conveyors, compressors and process machinery |
The following table summarizes the main characteristics of the 20G1E4F370MNANNNNN.
| Technical Parameter | 20G1E4F370MNANNNNN |
|---|---|
| Model | 20G1E4F370MNANNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Product Type | Air-Cooled 755 AC Packaged Drive |
| Current Rating Class | 370 A |
| Cooling Method | Forced Air / Air Cooled |
| Construction | Large-frame packaged drive |
| Input Power | Industrial three-phase AC power system |
| Output | Variable-frequency AC motor output |
| Motor Control | Adjustable speed and torque control |
| Duty Selection | Must be matched to motor and application duty |
| Feedback | Application dependent |
| Communication | Application/configuration dependent |
| Braking | Application/configuration dependent |
| Installation | Floor-mounted / packaged industrial installation |
| Dimensions | Configuration dependent |
| Weight | Configuration dependent, large-frame equipment |
| Application Class | Large industrial motor systems |
| Service Environment | Suitable industrial electrical and machinery areas |
| Thermal Management | Forced-air cooling with required ventilation |
| Selection Basis | Motor current, voltage, duty, overload and application requirements |
The 20G1E4F370MNANNNNN belongs to the PowerFlex 755 series.
The PowerFlex 755 family is designed for industrial applications that require more than simple motor on/off control. It provides a platform for variable-frequency operation, speed regulation, torque control, feedback integration, communication, and coordinated machine control.
Within the family, different catalog-number configurations are available for different voltage classes, current capacities, enclosure arrangements, cooling configurations, feedback requirements, and application options.
The 20G1E4F370MNANNNNN represents a large air-cooled packaged-drive configuration with a 370 A class current designation.
This makes it particularly relevant to large motor installations where the physical and electrical requirements exceed those normally associated with compact cabinet drives.
The 20G1E4F370MNANNNNN is designed to provide controlled electrical power to a large AC motor.
Instead of applying fixed-frequency line power directly to the motor, the drive controls the motor’s electrical operating conditions so that the motor can run at different speeds according to the machine or process requirement.
This type of control is useful in equipment where the required operating speed changes during production.
For example, a large pump may not need to operate at full speed continuously. A conveyor may need different speeds during loading and unloading. A fan may need to respond to changing airflow demand. A mixer may require controlled acceleration and different operating speeds during different stages of a production cycle.
The drive provides the electrical control layer required for these applications.
Because this is a large packaged-drive configuration, the equipment should be considered as part of the complete electrical installation rather than as an isolated electronic component.
The incoming power system, motor, grounding system, cooling arrangement, control wiring, communication network, cabinet or equipment-room layout, and maintenance access all form part of the overall installation.
The 20G1E4F370MNANNNNN is identified as a 370 A class PowerFlex 755 configuration.
At this current level, the drive is intended for large industrial motors and substantial mechanical loads.
The actual motor power that can be connected to the drive depends on the applicable voltage, duty classification, motor efficiency, motor power factor, overload requirements, ambient conditions, and drive configuration.
For this reason, a motor should not be selected simply because its horsepower appears to correspond to a nominal 370 A drive class.
The preferred engineering procedure is to start with the motor nameplate information and then verify:
This method provides a much more reliable selection than using horsepower as the only criterion.
The 20G1E4F370MNANNNNN is a large industrial packaged drive, so its physical installation requirements are substantially different from those of compact wall-mounted variable-frequency drives.
The final dimensions and shipping weight can vary according to the exact packaged construction, enclosure, auxiliary equipment, cooling equipment, wiring sections, disconnect equipment, control options, and other selected features.
For that reason, a single artificially precise dimension or weight should not be treated as universal for every installation of this catalog number.
For preliminary engineering, the following information should be used as a planning guide.
| Mechanical Parameter | Specification |
|---|---|
| Model | 20G1E4F370MNANNNNN |
| Construction | Large-frame air-cooled packaged drive |
| Mounting | Floor-mounted / packaged installation |
| Height | Configuration dependent |
| Width | Configuration dependent |
| Depth | Configuration dependent |
| Weight | Configuration dependent |
| Weight Class | Large industrial equipment; substantial lifting capacity required |
| Cooling Space | Dedicated airflow and service clearance required |
| Installation Space | Larger than compact PowerFlex cabinet drives |
| Service Access | Required around electrical and cooling components |
| Transportation | Equipment-room access and lifting route should be considered |
The final mechanical drawing should always be used when preparing the foundation, lifting plan, cabinet arrangement, equipment-room layout, cable routing, and maintenance clearances.
The 20G1E4F370MNANNNNN can be used in large conveyor systems where motor speed needs to be adjusted according to production or material-handling requirements.
Typical applications include bulk-material handling, manufacturing lines, mining-related equipment, warehouse systems, and heavy industrial conveyors.
Variable-speed operation can provide controlled acceleration and deceleration, helping reduce sudden mechanical loading on belts, couplings, gearboxes, shafts, and other transmission components.
Large pumps are another important application for high-capacity AC drives.
A pump motor does not necessarily need to operate at maximum speed at all times. A variable-frequency drive can allow pump speed to be adjusted to process requirements.
Applications can include water circulation, cooling-water systems, industrial process pumps, wastewater systems, utility systems, and other large fluid-handling equipment.
The actual suitability of the drive should be checked against the pump’s torque characteristics and operating range.
Industrial fans and blowers often require variable airflow.
The 20G1E4F370MNANNNNN can be used to control large fan motors where operating speed needs to follow process demand.
Typical examples include ventilation systems, exhaust equipment, process-air systems, combustion-air systems, cooling systems, and industrial air-handling machinery.
Large compressors can require substantial motor current and controlled starting characteristics.
A PowerFlex 755 drive can provide adjustable motor speed and controlled acceleration where the compressor and drive system are designed for variable-frequency operation.
The compressor’s minimum speed, torque curve, lubrication requirements, and process operating envelope should be considered before final drive selection.
Large industrial mixers and agitators can benefit from adjustable speed and controlled acceleration.
Different production materials may require different mixing speeds, and the motor may need to accelerate gradually because the mechanical load can be significant.
The 20G1E4F370MNANNNNN can therefore be applied to large mixing systems when its current and torque capability meet the application requirements.
Large process machines frequently require coordinated motor control.
The drive can become part of a control architecture involving PLCs, HMIs, sensors, feedback devices, contactors, safety systems, and other automation equipment.
This allows motor speed to become a controlled process variable instead of simply being a fixed mechanical operating condition.
Heavy-duty feeders, rollers, transfer systems, lifting-related machinery, and other material-handling equipment can require controlled motor operation.
The drive can provide adjustable speed and controlled acceleration, while the overall braking and regenerative requirements should be evaluated according to the machine’s mechanical design.
The 370 A class makes this model suitable for large industrial motor applications.
It is intended for applications where the electrical load is substantially higher than that normally handled by compact general-purpose variable-frequency drives.
The large-frame PowerFlex 755 architecture is appropriate for substantial motor installations.
This makes the model useful in industrial facilities where large pumps, fans, conveyors, compressors, and process machines need variable-speed control.
Forced-air cooling is an important feature for a large industrial drive.
Large amounts of electrical power generate considerable heat, so maintaining appropriate airflow and heat dissipation is essential.
A properly designed cooling system helps maintain acceptable operating temperatures for the drive’s power electronics.
Large motors can create significant electrical and mechanical stress when started directly from a fixed-frequency supply.
Variable-frequency operation allows the motor to accelerate according to a programmed ramp.
This can help reduce mechanical shock and provide smoother machine startup.
The drive allows motor speed to become an adjustable operating parameter.
This can be useful when production requirements change throughout the operating cycle.
Instead of designing the machine around a single fixed motor speed, the drive can provide a range of operating speeds within the limitations of the motor and application.
The drive can also manage the motor’s deceleration according to programmed operating requirements.
The actual stopping method should be selected according to motor inertia, load characteristics, required stopping time, and the application’s braking or regenerative-energy requirements.
The PowerFlex 755 platform is designed for integration into industrial control systems.
This makes the drive suitable for installations where the motor needs to respond to commands from a larger automation system.
Speed references, operating commands, status information, alarms, and other drive data can form part of the overall machine-control strategy depending on the selected communication and control configuration.
The same general PowerFlex 755 platform can be applied to many different types of rotating equipment.
This provides engineers and maintenance departments with a consistent drive architecture across different machines.
| Application | Typical Function |
|---|---|
| Model | 20G1E4F370MNANNNNN |
| Large Conveyors | Adjustable conveyor speed and controlled acceleration |
| Process Pumps | Variable pump speed according to process demand |
| Cooling Pumps | Flow control in industrial cooling systems |
| Large Fans | Adjustable airflow |
| Industrial Blowers | Process-air control |
| Compressors | Variable-speed compressor operation where suitable |
| Mixers | Adjustable mixing speed |
| Agitators | Controlled process agitation |
| Rollers | Material-processing speed control |
| Feeders | Controlled material feed rate |
| Process Machines | Coordinated motor speed control |
| Material Handling | Adjustable speed and smooth starting |
| Heavy Machinery | Large AC motor control |
Because of the size and power level of the 20G1E4F370MNANNNNN, installation planning should be completed before the equipment arrives at the site.
The equipment location should provide adequate room for installation, inspection, cable termination, ventilation, cooling-system maintenance, and safe service access.
The floor structure should be evaluated for the equipment’s actual shipping and operating weight.
The transportation route should also be considered. Large packaged drives can require mechanical lifting equipment, reinforced transport routes, sufficient door openings, and adequate equipment-room access.
Ventilation is particularly important.
The cooling system depends on sufficient airflow, and the installation should not obstruct air intake or exhaust paths.
The surrounding environment should also be evaluated for dust, moisture, corrosive substances, excessive heat, and other conditions that could affect long-term operation.
High-power variable-frequency drives generate heat during normal operation.
The 20G1E4F370MNANNNNN therefore requires appropriate forced-air cooling and sufficient ventilation.
Cooling performance can be affected by:
Regular inspection of the cooling system should be included in the maintenance program.
Fans, filters where applicable, air passages, and surrounding ventilation areas should be kept in suitable operating condition.
Motor selection should be based primarily on electrical current and application duty.
A suitable motor should be evaluated using its nameplate information, including rated voltage, current, frequency, speed, power, and service conditions.
For heavy-duty applications, the motor’s overload requirements should be compared against the drive’s applicable duty rating.
Special attention should be paid to applications involving:
These factors can affect the appropriate drive configuration.
The 20G1E4F370MNANNNNN can be incorporated into a larger industrial automation architecture.
A typical system may include a programmable controller, operator interface, sensors, feedback devices, motor, circuit protection, communication network, and safety equipment.
The drive can then operate as the motor-control element within the overall system.
For example, a PLC can provide the speed command while sensors provide process feedback. The drive regulates motor operation while reporting operating status and diagnostic information back to the control system.
This type of architecture is particularly useful in continuous-process equipment and automated production lines.
Large air-cooled drives should have a structured preventive-maintenance program.
Important inspection points include cooling fans, ventilation passages, electrical connections, grounding, power terminals, control wiring, communication connections, and signs of excessive heat.
The motor and driven machinery should also be inspected because drive reliability and motor reliability are closely connected.
A drive operating with an overloaded motor, poor ventilation, excessive ambient temperature, mechanical problems, or abnormal current can experience operating conditions outside the intended design envelope.
Maintaining the entire motor-drive system is therefore more effective than treating the drive as an isolated component.
The following models are useful comparisons within the broader PowerFlex 755 high-power family.
Exact voltage, duty, dimensions, enclosure arrangement, options, and weight depend on the complete catalog configuration.
| Model | Series | Current Class | Cooling | Product Type | Dimensions | Weight |
|---|---|---|---|---|---|---|
| 20G1E4F370MNANNNNN | PowerFlex 755 | 370 A class | Air Cooled | AC Packaged Drive | Configuration dependent | Configuration dependent |
| 20G1E4F415MNANNNNN | PowerFlex 755 | 415 A class | Air Cooled | AC Drive / Packaged Configuration | Configuration dependent | Configuration dependent |
| 20G1E4F505MNDNNNNN-C11 | PowerFlex 755 | 505 A class | Air Cooled | High-Power AC Drive | Configuration dependent | Configuration dependent |
| 20G1E4F565MNDNNNNN-C11 | PowerFlex 755 | 565 A class | Air Cooled | High-Power AC Drive | Configuration dependent | Configuration dependent |
| 20G1E4F650MNDNNNNN-C11 | PowerFlex 755 | 650 A class | Air Cooled | High-Power AC Drive | Configuration dependent | Configuration dependent |
These models are particularly relevant when comparing different current capacities within the same general high-power PowerFlex 755 platform.
The 370 A model is useful where the motor current requirement falls within its applicable range, while the higher-current models provide additional capacity for larger motor systems.
The following models provide additional comparison points within the PowerFlex 755 family.
| Model | Series | Current Class | Cooling | Typical Application | Dimensions | Weight |
|---|---|---|---|---|---|---|
| 20G1D3F370LNANNNNN | PowerFlex 755 | 370 A class | Air Cooled | Large industrial motor systems | Configuration dependent | Configuration dependent |
| 20G1D3F415LNANNNNN | PowerFlex 755 | 415 A class | Air Cooled | Heavy industrial machinery | Configuration dependent | Configuration dependent |
| 20G1D3F505MNANNNNN | PowerFlex 755 | 505 A class | Air Cooled | Large pumps and process machinery | Configuration dependent | Configuration dependent |
| 20G1D3F565LNANNNNN | PowerFlex 755 | 565 A class | Air Cooled | Large process equipment | Configuration dependent | Configuration dependent |
| 20G1D3F735MNANNNNN-C0-P46 | PowerFlex 755 | 735 A class | Air Cooled | Very high-power motor applications | Configuration dependent | Configuration dependent |
These models are useful when the project requires a similar PowerFlex 755 architecture but a different current capacity or configuration.
For projects that use several large motor drives, the following models are useful as broader reference points.
| Model | Series | Voltage / Class | Current / Power Class | Cooling | Dimensions | Weight |
|---|---|---|---|---|---|---|
| 20G1ANF171JA0NNNNN | PowerFlex 755 | 690 VAC class | 171 A; approx. 160/132 kW duty class | Air Cooled | Approx. 881.5 × 430 × 349.6 mm | Approx. 72.6–108.9 kg |
| 20G1ANF212JA0NNNNN | PowerFlex 755 | 690 VAC class | 212 A; approx. 200/160 kW duty class | Air Cooled | Approx. 881.5 × 430 × 349.6 mm | Approx. 72.6–108.9 kg |
| 20G1ANF263JA0NNNNN | PowerFlex 755 | 690 VAC class | 263 A; approx. 250/200 kW duty class | Air Cooled | Approx. 881.5 × 430 × 349.6 mm | Approx. 72.6–108.9 kg |
| 20G1D3C540MNANNNNN | PowerFlex 755 | 480 VAC class | 540 A class | Air Cooled | Configuration dependent | Configuration dependent |
| 20G1D3D505MNANNNNN | PowerFlex 755 | 480 VAC class | Approx. 519 A class | Air Cooled | Approx. 2453 × 800 × 800 mm | Approx. 600 kg |
These models cover several different high-power configurations and are useful for comparing motor current requirements, voltage classes, physical installation requirements, and application scale.
The 20G1E4F415MNANNNNN is a closely related higher-current configuration within the same PowerFlex 755 family.
The basic selection difference is the available current capacity.
| Parameter | 20G1E4F370MNANNNNN | 20G1E4F415MNANNNNN |
|---|---|---|
| Series | PowerFlex 755 | PowerFlex 755 |
| Current Class | 370 A | 415 A |
| Cooling | Air Cooled | Air Cooled |
| Product Type | AC Packaged Drive | AC Drive / Packaged Configuration |
| Application | Large motor systems | Higher-current large motor systems |
| Dimensions | Configuration dependent | Configuration dependent |
| Weight | Configuration dependent | Configuration dependent |
| Selection Basis | Motor current and duty | Motor current and duty |
The 415 A-class model provides a higher current range, while the 370 A model is appropriate when the motor and application requirements fall within its applicable ratings.
The 20G1D3F370LNANNNNN is another closely related PowerFlex 755 configuration carrying a 370 A class designation.
The two models are therefore useful for comparison when evaluating different catalog configurations.
| Parameter | 20G1E4F370MNANNNNN | 20G1D3F370LNANNNNN |
|---|---|---|
| Series | PowerFlex 755 | PowerFlex 755 |
| Current Class | 370 A | 370 A |
| Cooling | Air Cooled | Air Cooled |
| Product Type | Packaged Drive | AC Drive |
| Application | Large industrial motor control | Large industrial motor control |
| Physical Construction | Large-frame packaged configuration | Configuration dependent |
| Dimensions | Configuration dependent | Configuration dependent |
| Weight | Configuration dependent | Configuration dependent |
When comparing these models, the complete catalog number should be checked rather than assuming that two models with the same current designation are mechanically or electrically interchangeable.
The 20G1E4F370MNANNNNN can be useful in plants where multiple large motors need coordinated control.
A common drive platform can simplify engineering standards, spare-parts planning, operator training, maintenance procedures, and control-system integration.
For facilities with many variable-speed motors, using a consistent drive architecture can also make troubleshooting more straightforward because maintenance personnel can become familiar with common operating concepts, fault structures, control interfaces, and configuration methods.
This is particularly useful in manufacturing plants, process facilities, utilities, and material-handling installations where motor drives are an important part of production.
| Engineering Area | Advantage |
|---|---|
| Model | 20G1E4F370MNANNNNN |
| Motor Control | Adjustable motor speed and operating point |
| Starting | Controlled acceleration |
| Stopping | Controlled deceleration according to application |
| Process Control | Motor speed can respond to process requirements |
| Automation | Suitable for integration into larger control systems |
| High Current | Designed for large motor applications |
| Cooling | Forced-air thermal management |
| Scalability | Related PowerFlex 755 models cover different current classes |
| Maintenance | Common drive architecture can simplify service procedures |
| Application Flexibility | Pumps, fans, conveyors, compressors and process machinery |
| System Integration | Can form part of an integrated industrial automation system |
The 20G1E4F370MNANNNNN is a suitable candidate for consideration when the project has the following characteristics:
The final selection should still be confirmed against the motor’s actual nameplate data and the complete application duty.
From an operator’s perspective, a variable-frequency drive provides a convenient way to control motor operation without repeatedly switching the motor between fixed operating conditions.
The operator or control system can issue different speed references depending on production requirements.
For a conveyor, this may mean slowing the line during inspection and increasing speed during normal production.
For a pump, it may mean adjusting flow according to process demand.
For a fan, it may mean changing airflow according to ventilation requirements.
For a mixer, it may mean using different speeds during loading, mixing, and discharge.
The drive therefore becomes an active part of the production process rather than simply a motor starter.
Reliability depends not only on the drive itself but also on the installation environment.
A high-power air-cooled drive should be operated in an environment where airflow is maintained and excessive contamination is avoided.
Maintenance personnel should monitor abnormal fan noise, unusual temperature rise, dust accumulation, loose connections, repeated drive faults, abnormal motor current, and changes in motor operating behavior.
When a drive repeatedly reports an abnormal condition, the underlying motor, mechanical load, power system, and control signals should also be investigated.
Replacing a drive without identifying the cause of an abnormal operating condition may simply result in the same problem occurring again.
| Item | Specification |
|---|---|
| Model | 20G1E4F370MNANNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Product Type | Air-Cooled 755 AC Packaged Drive |
| Current Class | 370 A |
| Cooling | Forced Air |
| Construction | Large-frame industrial packaged drive |
| Motor Control | Variable-frequency AC motor control |
| Application | Large industrial motor systems |
| Installation | Floor / packaged industrial installation |
| Dimensions | Configuration dependent |
| Weight | Configuration dependent |
| Mechanical Class | Large industrial equipment |
| Control Integration | Industrial automation compatible |
| Feedback | Configuration dependent |
| Braking | Configuration dependent |
| Communications | Configuration dependent |
| Duty Rating | Application dependent |
| Motor Selection | Based on motor nameplate current and duty |
| Cooling Requirement | Adequate forced-air ventilation |
| Service Requirement | Adequate electrical and mechanical access |
The Allen-Bradley 20G1E4F370MNANNNNN combines a high-current PowerFlex 755 architecture with a large air-cooled packaged-drive construction.
Its 370 A class makes it appropriate for large motor systems where the electrical demand is beyond the range of compact industrial drives.
The drive provides a practical solution for applications that require variable speed, controlled acceleration, controlled deceleration, and integration with a larger industrial control system.
Its application range covers pumps, fans, conveyors, blowers, compressors, mixers, process machinery, material-handling systems, and other large rotating machines.
The air-cooled configuration is well suited to industrial installations where appropriate ventilation and thermal management can be provided.
The PowerFlex 755 platform also provides a broad family of related drive configurations, allowing engineers to select different current classes and configurations while maintaining a consistent general drive architecture.
The Allen-Bradley 20G1E4F370MNANNNNN is a high-capacity air-cooled AC packaged drive in the PowerFlex 755 series.
With a 370 A class current designation, it is intended for large industrial motor-control applications requiring substantially more capacity than standard compact variable-frequency drives.
The drive can be used for large conveyors, pumps, fans, blowers, compressors, mixers, feeders, rollers, process machines, and other industrial equipment where motor speed and torque need to be controlled according to the operating process.
Its large-frame construction requires careful consideration of installation space, ventilation, electrical connection, cable routing, service access, lifting arrangements, and floor loading.
The exact dimensions and weight depend on the final packaged configuration, so these values should be confirmed from the applicable mechanical documentation before equipment-room construction or installation.
For electrical selection, the most important factors are motor nameplate current, voltage, duty rating, overload requirement, acceleration and deceleration characteristics, environmental conditions, braking requirements, feedback requirements, and communication architecture.
The 20G1E4F370MNANNNNN is therefore best regarded as a high-power industrial motor-control platform for applications where reliable variable-speed operation and integration into a larger automation system are important.
Its combination of high current capability, air-cooled construction, large-drive architecture, flexible control, and broad application range makes it suitable for demanding industrial machinery and process-control installations.