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20G11RD014AA0NNNNN PowerFlex 755 AC Drive — Detailed Product Description and Technical Specification

1. Product Overview

The 20G11RD014AA0NNNNN is a high-performance industrial AC variable frequency drive designed for three-phase motor speed control in industrial automation and machinery applications.

It belongs to the PowerFlex 755 series and is designed for applications where reliable motor control, flexible configuration, network communication and advanced drive functions are required.

This model is a 480 VAC, three-phase, 14 A air-cooled AC drive. Its rated capacity is approximately 10 HP under normal-duty conditions and 7.5 HP under heavy-duty conditions.

The drive uses a Frame 1, open-type IP20 construction and is intended to be installed inside a suitable electrical cabinet or protected control enclosure.

The configuration includes an AC input with precharge, DC terminals, EMC filtering, a dynamic-braking transistor and an embedded EtherNet/IP communication interface. The model is supplied without a local Human Interface Module, making it especially suitable for machines where the drive is controlled through a PLC, industrial network, remote operator station or centralized automation system.

The 14 A output rating places this model above the smaller 5.5 kW-class PowerFlex 755 configurations and makes it suitable for a broader range of conveyors, pumps, fans, material-handling equipment, process machinery and general-purpose industrial motor applications.

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2. Brand and Product Series

Item	Specification
Brand	Allen-Bradley
Product family	PowerFlex
Product series	PowerFlex 755
Product platform	PowerFlex 750-Series
Product type	AC Variable Frequency Drive
Drive category	Industrial AC Drive
Application class	General-purpose / high-performance motor control
Cooling	Air cooled
Enclosure	IP20 Open Type
Frame	Frame 1
Input	AC input with precharge
DC terminals	Included
Dynamic braking	Internal DB transistor
EMC filtering	Included
CM capacitor configuration	Jumper removed
Communication	Embedded EtherNet/IP
Local HIM	No HIM / blank configuration

The PowerFlex 755 series is intended for applications where a basic frequency converter is not enough and the machine requires more flexible control, diagnostics, communication and configuration options.

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3. Main Technical Parameters

Parameter	Specification
Model	20G11RD014AA0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product type	AC Variable Frequency Drive
Input voltage class	480 VAC
Input voltage range	380–480 VAC class
Input phase	3-phase
Output phase	3-phase
Continuous output current	14 A
1-minute overload current	Approx. 15.4 A
3-second overload current	Approx. 21 A
Normal-duty rating	10 HP
Heavy-duty rating	7.5 HP
Normal-duty power	Approx. 7.5 kW
Heavy-duty power	Approx. 5.5 kW
DC bus voltage class	Approx. 650 VDC
Frame size	Frame 1
Enclosure	IP20
Enclosure type	Open Type
Cooling	Forced-air / air cooled
Input configuration	AC input with precharge
DC terminals	Yes
Dynamic braking transistor	Yes
EMC filter	Yes
CM capacitor	Jumper removed
EtherNet/IP	Embedded
HIM	No HIM
PID control	Supported
Mounting	Vertical cabinet mounting
Approx. height	400 mm
Approx. width	190 mm
Approx. depth	211.1 mm
Approx. dimensions	400 × 190 × 211.1 mm
Approx. weight (kg)	5.74 kg
Approx. weight in pounds	12.65 lb

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4. Electrical Characteristics

The 20G11RD014AA0NNNNN is designed for a three-phase 380–480 VAC-class supply.

Its nominal voltage class is commonly described as 480 VAC.

The drive provides a continuous output current of approximately 14 A, with higher short-duration current capability available for acceleration and overload conditions.

Electrical Parameter	Value
Model	20G11RD014AA0NNNNN
Voltage class	480 VAC
Typical input range	380–480 VAC
Input phase	3-phase
Output phase	3-phase
Continuous output current	14 A
1-minute current	Approx. 15.4 A
3-second current	Approx. 21 A
Normal-duty motor rating	10 HP
Heavy-duty motor rating	7.5 HP
Normal-duty metric rating	Approx. 7.5 kW
Heavy-duty metric rating	Approx. 5.5 kW
DC bus class	Approx. 650 VDC
Input frequency	50/60 Hz class
Precharge	Yes
DC terminals	Yes
Dynamic braking transistor	Yes
EMC filtering	Yes

The actual motor should be selected based on rated voltage, full-load current, duty cycle and mechanical load rather than horsepower alone.

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5. Normal-Duty Rating

Under normal-duty operation, the drive is rated for approximately 10 HP / 7.5 kW.

This makes it suitable for many general-purpose industrial machines where the load is relatively stable and the motor does not continuously experience severe overload conditions.

Typical normal-duty applications include:

• Conveyor systems
• Industrial fans
• Pumps
• Rollers
• Feeders
• Packaging equipment
• Material-handling machines
• Production-line machinery
• General rotating equipment

For these applications, the 14 A output rating provides useful operating capacity while retaining the compact Frame 1 mechanical configuration.

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6. Heavy-Duty Rating

For heavy-duty applications, the drive is rated approximately 7.5 HP / 5.5 kW.

Heavy-duty operation is more appropriate when the machine experiences higher starting torque, repeated acceleration and deceleration, greater mechanical inertia or significant load variation.

Typical examples include:

• Heavy conveyors
• Loaded feeders
• High-inertia rotating equipment
• Material-handling machinery
• Repetitive start/stop systems
• Machines with demanding acceleration requirements
• Equipment requiring increased torque during operation

The heavy-duty rating should always be compared with the motor’s actual current and the machine’s load profile.

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7. Physical Dimensions and Weight

The 20G11RD014AA0NNNNN uses a Frame 1 configuration.

The approximate physical dimensions are:

400 mm × 190 mm × 211.1 mm

The approximate weight is:

5.74 kg

The commonly listed shipping/product weight of approximately 12.65 lb corresponds to about 5.74 kg.

Mechanical Parameter	Specification
Model	20G11RD014AA0NNNNN
Frame	Frame 1
Height	Approx. 400 mm
Width	Approx. 190 mm
Depth	Approx. 211.1 mm
Overall dimensions	Approx. 400 × 190 × 211.1 mm
Height	Approx. 15.75 in
Width	Approx. 7.48 in
Depth	Approx. 8.31 in
Weight (kg)	Approx. 5.74 kg
Weight	Approx. 12.65 lb
Cooling	Forced air
Installation	Vertical
Enclosure	IP20
Enclosure type	Open Type

The cabinet should provide additional space beyond the drive’s physical dimensions for power cables, motor cables, network cables, ventilation and maintenance access.

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8. Product Construction

The drive uses an IP20 open-type enclosure.

This means the unit is designed to be installed within an appropriate control cabinet or electrical enclosure rather than being exposed directly to water, outdoor weather or uncontrolled industrial contamination.

A suitable installation should provide protection against:

• Water
• Excessive dust
• Conductive contamination
• Chemical contamination
• Mechanical impact
• Excessive temperature
• Uncontrolled humidity

The cabinet should also provide adequate airflow.

Because the drive is air cooled, ventilation around the unit is important for maintaining normal operating temperature.

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9. Embedded EtherNet/IP Communication

A major feature of this configuration is the embedded EtherNet/IP communication capability.

This allows the drive to communicate with a plant or machine control network without requiring a separate basic communication interface for normal network integration.

The drive can exchange operating information such as:

Information	Typical Function
Start command	Starts motor operation
Stop command	Stops motor operation
Speed reference	Sets desired motor speed
Direction	Controls motor direction
Actual speed	Provides operating feedback
Output current	Indicates motor loading
Drive status	Indicates operating state
Warning status	Provides warning information
Fault status	Reports drive faults
Parameter information	Supports configuration
Diagnostic data	Supports troubleshooting
Process information	Supports machine monitoring

This makes the drive particularly suitable for automated machinery.

A central controller can issue speed and operating commands while receiving feedback from the drive.

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10. Motor Control Capability

The PowerFlex 755 platform is designed for flexible AC motor control.

Depending on the application and final configuration, it can be used with several control strategies.

V/Hz Control

V/Hz control is suitable for straightforward applications where the main requirement is adjustable motor speed.

Typical applications include:

• Fans
• Pumps
• Simple conveyors
• General rotating machinery

Sensorless Vector Control

Sensorless vector control provides improved motor torque and speed performance compared with basic V/Hz control.

It is useful when the application requires improved low-speed behavior or better response to changing load conditions.

Vector-Based Control

More demanding machinery can benefit from vector-based control techniques where greater torque regulation and speed control are required.

This is useful for applications involving:

• Conveyors
• Material handling
• Feeders
• High-inertia loads
• Variable mechanical loads

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11. Dynamic Braking

The model includes an internal dynamic-braking transistor.

Dynamic braking is useful when the motor must slow down more quickly than it would through normal uncontrolled deceleration.

When a motor decelerates, mechanical energy can be transferred into the drive’s DC bus.

A suitable external braking resistor can be used to dissipate this energy.

Dynamic braking can be particularly useful for:

• Conveyors
• Rollers
• High-inertia machines
• Material-handling equipment
• Feeders
• Repetitive stop/start machinery
• Machinery requiring controlled deceleration

The braking resistor must be selected according to the actual motor, load inertia, braking time and duty cycle.

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12. EMC Filtering

The drive includes EMC filtering.

This helps reduce conducted electrical interference generated by the drive and motor system.

EMC considerations are particularly important in control cabinets containing:

• PLC systems
• Industrial Ethernet
• Sensors
• Measurement instruments
• Communication equipment
• Multiple drives
• Motion-control equipment

Correct grounding, shielding and cable routing remain important even when an EMC filter is installed.

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13. No HIM Configuration

The 20G11RD014AA0NNNNN configuration is supplied without a local Human Interface Module.

This means the drive does not depend on a permanently installed keypad for normal operation.

This arrangement is convenient when the drive is installed inside a cabinet and controlled through:

• PLC commands
• EtherNet/IP
• Remote operator panels
• HMI systems
• Supervisory control systems
• Machine-control software

For machines requiring frequent local adjustment, a suitable interface option can be considered separately.

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14. PID Process Control

The PowerFlex 755 platform supports PID process-control functions.

PID control can be useful when the motor needs to maintain a process variable automatically.

For example, in a pressure-control application:

Pressure below setpoint → motor speed increases

Pressure above setpoint → motor speed decreases

This type of control can be applied to:

• Pumps
• Pressure systems
• Flow-control systems
• Cooling systems
• Ventilation systems
• Process circulation equipment

The ability to combine motor speed control with process feedback can simplify machine architecture.

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15. Main Product Applications

15.1 Conveyor Systems

The drive is well suited to conveyor systems requiring adjustable speed.

It can provide controlled acceleration and deceleration, which can help reduce mechanical shock.

Typical conveyor components benefiting from controlled drive operation include:

• Belts
• Rollers
• Gearboxes
• Couplings
• Bearings
• Shafts

The drive can also receive speed commands through the industrial network.

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15.2 Pump Systems

Pump applications are another important use case.

The motor speed can be adjusted according to the process requirement rather than being limited to a fixed operating speed.

Possible applications include:

• Water pumps
• Process pumps
• Cooling pumps
• Circulation systems
• Pressure-control systems
• Fluid-transfer equipment

PID control can also be used for suitable pressure or flow applications.

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15.3 Fan and Blower Systems

Fans and blowers frequently operate under changing airflow requirements.

The drive can adjust motor speed to meet changing process demand.

Typical applications include:

• Industrial ventilation
• Factory exhaust
• Cooling systems
• Process air
• Industrial blowers
• Air-handling equipment

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15.4 Material Handling

Material-handling equipment often benefits from controlled acceleration and deceleration.

The drive can be used on:

• Transfer conveyors
• Roller conveyors
• Feed systems
• Production-line transport
• Material-transfer machinery
• Handling equipment

Smooth motor control can help reduce sudden mechanical loading.

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15.5 Packaging Machinery

Packaging machinery often requires repeatable motor speed.

The drive can be used for:

• Feed rollers
• Conveyor sections
• Material handling
• Product transfer
• Packaging mechanisms
• Auxiliary rotating equipment

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15.6 Feeders

Feeders often require stable and adjustable motor speed.

The drive can receive a speed reference from the machine controller and adjust motor operation accordingly.

Typical feeder applications include:

• Product feeders
• Material feeders
• Processing feeders
• Packaging feeders
• Production-line feeders

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15.7 Process Equipment

The drive can also be used in general process machinery.

Examples include:

• Mixers
• Rotating machines
• Process pumps
• Auxiliary machinery
• Industrial production systems
• Material-processing equipment

For extremely high-torque applications, the motor current and heavy-duty rating should be checked carefully.

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16. Product Advantages

16.1 14 A Output Capacity

The 14 A continuous output rating gives the drive a useful capacity for medium-sized industrial motors.

Compared with lower-current Frame 1 configurations, this model can handle a larger motor within the same general mechanical platform.

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16.2 10 HP Normal-Duty Rating

The approximately 10 HP normal-duty rating makes the drive suitable for many medium-sized industrial machines.

This includes conveyors, pumps, fans, feeders and other general-purpose rotating equipment.

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16.3 7.5 HP Heavy-Duty Rating

The heavy-duty rating provides additional flexibility for machines with more demanding operating conditions.

It can be useful where the motor experiences higher starting torque or repeated acceleration.

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16.4 Embedded EtherNet/IP

The embedded network capability allows the drive to become part of a centralized machine-control system.

This can simplify:

• Start/stop control
• Speed control
• Status monitoring
• Fault reporting
• Parameter management
• Machine diagnostics

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16.5 Dynamic-Braking Transistor

The integrated braking transistor makes the drive suitable for applications where controlled deceleration is important.

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16.6 Flexible Motor Control

The PowerFlex 755 platform provides multiple motor-control options.

This gives machine builders greater flexibility when selecting the control method.

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16.7 PID Functionality

Built-in PID functionality can be useful for process applications where motor speed must respond automatically to a feedback signal.

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16.8 Diagnostic Capability

Drive status, warning and fault information can assist maintenance personnel in identifying operating problems.

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16.9 Compact Frame 1 Construction

The Frame 1 format provides a relatively compact mechanical package for its 14 A electrical capacity.

This can be useful when control-panel space is limited.

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16.10 Industrial Automation Integration

The drive is particularly suitable for machines where motor operation must be coordinated with other automation equipment.

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17. Detailed Technical Specification Table

Category	Parameter	Specification
Identification	Model	20G11RD014AA0NNNNN
Identification	Brand	Allen-Bradley
Identification	Series	PowerFlex 755
Identification	Family	PowerFlex 750-Series
Electrical	Voltage class	480 VAC
Electrical	Input voltage	380–480 VAC class
Electrical	Input phase	3-phase
Electrical	Output phase	3-phase
Electrical	Continuous output	14 A
Electrical	1-minute overload	Approx. 15.4 A
Electrical	3-second overload	Approx. 21 A
Electrical	Normal-duty	7.5 kW / 10 HP
Electrical	Heavy-duty	5.5 kW / 7.5 HP
Electrical	DC bus	Approx. 650 VDC class
Construction	Frame	1
Construction	Enclosure	IP20
Construction	Enclosure type	Open Type
Construction	Cooling	Forced air
Communication	EtherNet/IP	Embedded
Braking	DB transistor	Yes
Filtering	EMC filter	Yes
Filtering	CM jumper	Removed
Interface	HIM	No HIM
Control	PID	Supported
Installation	Mounting	Vertical
Mechanical	Height	Approx. 400 mm
Mechanical	Width	Approx. 190 mm
Mechanical	Depth	Approx. 211.1 mm
Mechanical	Dimensions	Approx. 400 × 190 × 211.1 mm
Mechanical	Weight (kg)	Approx. 5.74 kg
Application	Motor control	Variable-speed AC motor control
Application	Typical loads	Pumps, fans, conveyors, feeders
Installation	Recommended location	Protected electrical cabinet

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18. Five Same-Series or Closely Related Models

The following models are useful alternatives when selecting another PowerFlex 755 configuration.

They cover different voltage and current capacities, so they should be selected according to the motor nameplate current, supply voltage and machine duty.

Model	Series	Voltage Class	Current Class	Normal-Duty Rating	Heavy-Duty Rating	Frame	Approx. Dimensions	Weight (kg)
20G11RD011AA0NNNNN	PowerFlex 755	480 VAC	11 A	7.5 HP	5 HP	1	Approx. 400 × 190 × 211 mm	Approx. 5.7 kg
20G11RD014JA0NNNNN	PowerFlex 755	480 VAC	14 A	10 HP	7.5 HP	1	Approx. 400 × 190 × 211 mm	Approx. 5.7 kg
20G11RD8P0AA0NNNNN	PowerFlex 755	480 VAC	8 A class	5 HP class	3 HP class	1	Approx. 400 × 190 × 211 mm	Approx. 5.7 kg
20G11RD5P0AA0NNNNN	PowerFlex 755	480 VAC	5 A class	3 HP class	2 HP class	1	Approx. 400 × 190 × 211 mm	Approx. 5.7 kg
20G11RD011JA0NNNNN	PowerFlex 755	480 VAC	11 A	7.5 HP	5 HP	1	Approx. 400 × 190 × 211 mm	Approx. 5.7 kg

Among these choices, the 20G11RD014JA0NNNNN is particularly relevant because it is the corresponding newer configuration for the 14 A PowerFlex 755 drive.

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19. Same-Series Comparison

Specification	20G11RD5P0AA0NNNNN	20G11RD8P0AA0NNNNN	20G11RD011AA0NNNNN	20G11RD014AA0NNNNN	20G11RD014JA0NNNNN
Series	PowerFlex 755	PowerFlex 755	PowerFlex 755	PowerFlex 755	PowerFlex 755
Voltage class	480 VAC	480 VAC	480 VAC	480 VAC	480 VAC
Current class	5 A	8 A	11 A	14 A	14 A
Normal-duty	3 HP	5 HP	7.5 HP	10 HP	10 HP
Heavy-duty	2 HP	3 HP	5 HP	7.5 HP	7.5 HP
Frame	1	1	1	1	1
Cooling	Air cooled	Air cooled	Air cooled	Air cooled	Air cooled
Enclosure	IP20	IP20	IP20	IP20	IP20
Network	EtherNet/IP	EtherNet/IP	EtherNet/IP	EtherNet/IP	EtherNet/IP
Approx. height	400 mm	400 mm	400 mm	400 mm	400 mm
Approx. width	190 mm	190 mm	190 mm	190 mm	190 mm
Approx. depth	211 mm	211 mm	211 mm	211 mm	211 mm
Approx. weight (kg)	5.7 kg	5.7 kg	5.7 kg	5.74 kg	Approx. 5.7 kg

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20. Recommended Same-Series Models by Application

Application Requirement	Recommended Model	Reason
Smaller 480 VAC motor	20G11RD5P0AA0NNNNN	Lower current capacity
Medium motor	20G11RD8P0AA0NNNNN	Intermediate current rating
Approx. 7.5 HP normal-duty	20G11RD011AA0NNNNN	11 A class
Approx. 10 HP normal-duty	20G11RD014AA0NNNNN	14 A class
Replacement for target configuration	20G11RD014JA0NNNNN	Newer corresponding configuration
High-inertia 7.5 HP application	20G11RD014AA0NNNNN	Heavy-duty capability
Automated conveyor	20G11RD014AA0NNNNN	Network and motor-control functions
Process pump	20G11RD014AA0NNNNN	PID and variable-speed capability
Fan system	20G11RD8P0AA0NNNNN	Suitable lower-capacity alternative
Medium feeder	20G11RD011AA0NNNNN	Balanced capacity for medium loads

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21. Five Popular Models from the Same Brand

The following models represent commonly selected products from the same brand across different drive families.

They are not all direct replacements for the 20G11RD014AA0NNNNN.

Their purpose is to provide alternative choices when the motor power, physical size, communication requirements or application complexity is different.

Model	Series	Voltage Class	Approx. Current	Typical Power Class	Typical Application	Approx. Dimensions	Weight (kg)
25B-D2P3N104	PowerFlex 525	480 VAC class	2.3 A	Approx. 0.75 kW	Small machines, pumps, fans	Approx. 200 × 90 × 180 mm	Approx. 2 kg
25B-D4P0N104	PowerFlex 525	480 VAC class	4.0 A	Approx. 1.5 kW	Conveyors, pumps, fans	Approx. 200 × 90 × 180 mm	Approx. 2–3 kg
25B-D6P0N104	PowerFlex 525	480 VAC class	6.0 A	Approx. 2.2 kW	General machinery	Approx. 200 × 90 × 180 mm	Approx. 2–3 kg
25C-D2P3N104	PowerFlex 523	480 VAC class	2.3 A	Approx. 0.75 kW	Basic motor control	Approx. 200 × 90 × 180 mm	Approx. 2 kg
25C-D4P0N104	PowerFlex 523	480 VAC class	4.0 A	Approx. 1.5 kW	Compact machinery	Approx. 200 × 90 × 180 mm	Approx. 2–3 kg

These smaller products are more appropriate for applications where the motor capacity and control requirements are significantly below the 14 A PowerFlex 755 configuration.

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22. Comparison with Smaller Drive Families

Requirement	20G11RD014AA0NNNNN	25B-D2P3N104	25B-D4P0N104	25B-D6P0N104
Product class	High-performance industrial drive	Compact industrial drive	Compact industrial drive	Compact industrial drive
Series	PowerFlex 755	PowerFlex 525	PowerFlex 525	PowerFlex 525
Current	14 A	2.3 A	4.0 A	6.0 A
Typical motor size	Up to approx. 7.5 kW ND	Approx. 0.75 kW	Approx. 1.5 kW	Approx. 2.2 kW
Frame	Frame 1	Compact frame	Compact frame	Compact frame
Enclosure	IP20	IP20 class	IP20 class	IP20 class
Network	Embedded EtherNet/IP	Ethernet-capable	Ethernet-capable	Ethernet-capable
PID	Supported	Supported	Supported	Supported
Dynamic braking	Available by configuration	Application dependent	Application dependent	Application dependent
Approx. weight (kg)	5.74 kg	Approx. 2 kg	Approx. 2–3 kg	Approx. 2–3 kg
Best application	Medium industrial machinery	Small machines	Small/medium machines	Medium-small machines

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23. Advantages in Conveyor Applications

The 20G11RD014AA0NNNNN is a strong choice for conveyor systems where the motor requires controlled acceleration and variable speed.

A conveyor can be operated at different speeds depending on production requirements.

For example, the machine may use a low speed during setup, a moderate speed during normal operation and a controlled stopping sequence during production changes.

The drive can provide:

• Adjustable speed
• Controlled acceleration
• Controlled deceleration
• Motor protection
• Network start/stop
• Remote speed adjustment
• Drive-status feedback
• Fault reporting
• Diagnostic information

This is especially useful when multiple conveyors must work together as part of one production line.

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24. Advantages in Pump Applications

Pump systems often benefit from variable-speed operation.

Instead of running the motor at one fixed speed, the drive can adjust speed according to process demand.

This can be useful for:

• Water circulation
• Cooling systems
• Pressure systems
• Process-fluid handling
• Industrial circulation
• Transfer pumps

The PID function can also be used in suitable applications where the system needs to maintain a pressure or flow target.

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25. Advantages in Fan and Blower Applications

Industrial ventilation and blower systems frequently require different airflow levels.

Variable-speed control allows the motor to operate according to actual demand.

Typical applications include:

• Factory ventilation
• Exhaust systems
• Cooling equipment
• Process air
• Blowers
• Air-handling systems

This gives the machine designer greater flexibility than a simple fixed-speed motor arrangement.

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26. Advantages in Material Handling

Material-handling equipment can benefit from controlled acceleration because abrupt starting can create mechanical shock.

The drive can be programmed with suitable acceleration and deceleration profiles.

Potential benefits include:

• Smoother product movement
• Reduced mechanical shock
• Better speed control
• Easier machine integration
• Centralized monitoring
• Remote diagnostics
• Flexible operating speeds

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27. Advantages in Packaging Machinery

Packaging machines often require repeatable motor operation.

The drive can be integrated into a larger machine-control system and used for:

• Product conveyors
• Feed rollers
• Material rollers
• Transfer mechanisms
• Packaging lines
• Auxiliary motors

Network control can make it easier to coordinate motor operation with sensors, controllers and other machine components.

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28. Industrial Network Integration

A major advantage of the 20G11RD014AA0NNNNN is its ability to communicate with an industrial control network.

A typical control structure can operate as follows:

Controller to Drive

• Start
• Stop
• Speed reference
• Direction
• Reset
• Operating command

Drive to Controller

• Running status
• Actual speed
• Output current
• Warning
• Fault
• Drive status
• Diagnostic information

This two-way communication can reduce the need for separate hardwired signals in suitable machine architectures.

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29. Cabinet Installation

Because the drive is an IP20 open-type device, it should normally be installed in a protected electrical enclosure.

The cabinet should provide enough space for:

• Drive mounting
• Input power cables
• Motor cables
• Network wiring
• Grounding
• Ventilation
• Maintenance
• Heat dissipation

The approximate drive size is:

400 mm high × 190 mm wide × 211.1 mm deep

The approximate weight is:

5.74 kg

These figures describe the drive itself and should not be interpreted as the minimum cabinet dimensions.

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30. Thermal Management

Thermal management is important for reliable operation.

The drive uses forced-air cooling, so the cooling airflow should not be obstructed.

The installation should avoid:

• Blocked air passages
• Excessive cabinet temperature
• Accumulated dust
• Poor ventilation
• Heat sources immediately beside the drive
• Insufficient cabinet clearance

When multiple drives are installed together, the combined heat output of the complete panel should be considered.

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31. Maintenance

Regular maintenance can help prevent unexpected downtime.

Maintenance Item	Recommended Inspection
Cooling fan	Check fan operation and unusual noise
Air passages	Check for blockage
Cabinet	Check dust accumulation
Power terminals	Inspect connection condition
Motor cables	Inspect insulation and connections
Grounding	Check grounding connections
Network cable	Check physical condition
Drive temperature	Monitor abnormal heating
Fault history	Review recurring faults
Motor load	Check abnormal current
Braking circuit	Inspect when dynamic braking is used
Cabinet ventilation	Confirm adequate airflow

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32. Troubleshooting Reference

Problem	Possible Areas to Check
Motor does not start	Enable command, start command and fault status
Overcurrent during acceleration	Acceleration time, motor data and mechanical load
Overvoltage during stopping	Deceleration time and braking system
Motor overheats	Motor load, ventilation and operating current
Drive overheats	Cabinet temperature and airflow
Motor speed is incorrect	Speed reference and drive parameters
Network communication problem	Network wiring and configuration
Unexpected stop	Fault history and control commands
Excessive motor current	Mechanical load and motor parameters
Unstable process	PID parameters and feedback signal

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33. Selection Recommendations

Before selecting the 20G11RD014AA0NNNNN, several points should be confirmed.

Motor Voltage

The motor voltage should match the drive output requirements.

Motor Current

The motor full-load current should be compared with the drive’s 14 A continuous output rating.

Motor Power

The application should be classified according to normal-duty or heavy-duty requirements.

Load Type

Determine whether the application is:

• Variable torque
• Constant torque
• High inertia
• High starting torque
• Repetitive start/stop

Acceleration

Check the required acceleration time and starting torque.

Deceleration

Determine whether the machine needs rapid controlled stopping.

Braking

If rapid stopping is required, the dynamic-braking system and resistor should be evaluated.

Communication

Confirm whether embedded EtherNet/IP is suitable for the machine network.

Cabinet

Confirm sufficient space for the drive, wiring and cooling.

Environment

Check:

• Temperature
• Humidity
• Dust
• Chemical exposure
• Vibration
• Altitude

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34. Target Model Versus Direct Replacement Configuration

The original 20G11RD014AA0NNNNN configuration has a corresponding newer configuration:

20G11RD014JA0NNNNN

The newer catalog configuration should be considered when designing a new system or replacing an existing unit.

However, replacement should not be based solely on the 14 A rating.

The following items should be checked:

Selection Item	Check
Input voltage	380–480 VAC class
Input phase	3-phase
Output current	14 A class
Normal-duty rating	10 HP
Heavy-duty rating	7.5 HP
Frame	Frame 1
Enclosure	IP20
Communication	EtherNet/IP
Braking	Dynamic-braking capability
Filtering	EMC configuration
HIM	Configuration without HIM
Motor data	Match actual motor
Control method	Match application
Firmware	Confirm compatibility
Cabinet dimensions	Confirm installation clearance

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35. Product Positioning

The 20G11RD014AA0NNNNN sits in the medium-power range of the PowerFlex 755 family.

It is considerably more capable than a small compact drive intended for fractional-horsepower or low-kilowatt machinery.

At the same time, its Frame 1 construction keeps the mechanical package relatively compact for a 14 A industrial drive.

The product is therefore particularly suitable for machinery that needs a combination of:

• 480 VAC three-phase operation
• 14 A output capacity
• 10 HP normal-duty capability
• 7.5 HP heavy-duty capability
• Industrial Ethernet communication
• Advanced motor control
• Dynamic braking
• Process-control functions
• Diagnostic capability
• Cabinet-based installation

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36. Recommended Model Selection by Motor Size

Approximate Motor Requirement	Suggested Model	Main Reason
Around 2 HP	20G11RD5P0AA0NNNNN	Smaller current requirement
Around 3 HP	20G11RD5P0AA0NNNNN	Suitable lower-capacity PowerFlex 755 configuration
Around 5 HP	20G11RD8P0AA0NNNNN	Intermediate capacity
Around 7.5 HP	20G11RD011AA0NNNNN	11 A configuration
Around 10 HP ND	20G11RD014AA0NNNNN	14 A / 10 HP ND
Around 7.5 HP HD	20G11RD014AA0NNNNN	14 A / 7.5 HP HD
Small 0.75 kW machine	25B-D2P3N104	Compact drive
Around 1.5 kW	25B-D4P0N104	Compact medium-small drive
Around 2.2 kW	25B-D6P0N104	Higher compact-drive capacity

The actual final selection should always be based on motor current and application duty rather than the approximate horsepower values alone.

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37. Overall Advantages Summary

Advantage	Practical Value
14 A continuous output	Suitable for medium-sized industrial motors
10 HP normal-duty rating	Good capacity for general machinery
7.5 HP heavy-duty rating	Supports more demanding loads
480 VAC three-phase	Suitable for common industrial power systems
Embedded EtherNet/IP	Convenient machine-network integration
Dynamic-braking transistor	Useful for controlled deceleration
EMC filter	Helps manage conducted interference
PID capability	Useful for process applications
Frame 1	Compact mechanical configuration
IP20	Suitable for protected cabinet installation
Air cooling	Effective thermal management when properly installed
No HIM	Suitable for centrally controlled machines
Diagnostics	Supports maintenance and troubleshooting
Flexible control	Suitable for different motor-control requirements

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38. Final Product Specification

Category	Final Specification
Model	20G11RD014AA0NNNNN
Brand	Allen-Bradley
Product series	PowerFlex 755
Product family	PowerFlex 750-Series
Product type	AC Variable Frequency Drive
Voltage class	480 VAC
Input voltage	380–480 VAC class
Input phase	3-phase
Output phase	3-phase
Continuous output current	14 A
1-minute overload	Approx. 15.4 A
3-second overload	Approx. 21 A
Normal-duty rating	7.5 kW / 10 HP
Heavy-duty rating	5.5 kW / 7.5 HP
DC bus class	Approx. 650 VDC
Frame	Frame 1
Enclosure	IP20
Enclosure type	Open Type
Cooling	Air cooled / forced air
Input	AC with precharge
DC terminals	Yes
Dynamic braking	Internal DB transistor
EMC filter	Yes
CM configuration	Jumper removed
Communication	Embedded EtherNet/IP
HIM	No HIM
PID	Supported
Approx. height	400 mm
Approx. width	190 mm
Approx. depth	211.1 mm
Approx. dimensions	400 × 190 × 211.1 mm
Approx. weight (kg)	5.74 kg
Main applications	Conveyors, pumps, fans, feeders, material handling, process equipment
Main advantages	14 A capacity, network integration, flexible control, braking, diagnostics
Installation	Protected electrical cabinet

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39. Conclusion

The 20G11RD014AA0NNNNN is a medium-capacity PowerFlex 755 AC drive designed for three-phase 480 VAC industrial motor applications.

Its 14 A continuous output rating, 10 HP normal-duty capacity and 7.5 HP heavy-duty capacity make it suitable for a wide range of industrial machinery.

The combination of embedded EtherNet/IP communication, dynamic-braking capability, EMC filtering, PID functions, flexible motor control and diagnostic functions makes the drive particularly suitable for automated machinery rather than simple standalone motor applications.

The drive is well suited to conveyors, pumps, fans, feeders, material-handling equipment, packaging machinery and general process equipment.

Its Frame 1 construction provides a relatively compact mechanical package for its electrical rating.

The approximate physical dimensions are 400 × 190 × 211.1 mm, and the approximate product weight is 5.74 kg.

For applications requiring a lower motor capacity, smaller PowerFlex 755 configurations such as the 5 A, 8 A and 11 A classes can be considered.

For applications requiring the same 14 A class but a newer configuration, 20G11RD014JA0NNNNN is the most relevant model to evaluate.

For smaller machines, compact drive families such as the PowerFlex 525 and PowerFlex 523 can provide a smaller and lighter solution.

Overall, the 20G11RD014AA0NNNNN is best suited to industrial equipment where motor speed control, network integration, controlled acceleration and deceleration, process flexibility and centralized diagnostics are important.