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20G1AND248JN0NNNNN AC Drive – Detailed Product Specifications, Introduction, Applications, Advantages and Related Models

1. Product Overview

The 20G1AND248JN0NNNNN is an industrial adjustable-frequency AC drive designed for controlling three-phase AC motors in demanding industrial environments.

The product belongs to the PowerFlex 755 series and is intended for machinery where adjustable motor speed, controlled acceleration and deceleration, torque management, motor protection, diagnostics and automation integration are required.

It is positioned as an industrial high-performance drive rather than a small compact motor controller.

The drive can be used in applications where the motor does not need to operate continuously at a single fixed speed.

By controlling motor frequency and voltage, the drive can provide different motor operating speeds and controlled starting and stopping characteristics.

Typical applications include conveyors, pumps, fans, blowers, material-handling equipment, mixers, rollers, processing machinery, production lines and other automated industrial equipment.

The complete catalog number 20G1AND248JN0NNNNN identifies a specific drive configuration. The rating and option characters should be considered together rather than interpreting one section of the catalog number in isolation.

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2. Basic Product Information

Item	Specification
Model	20G1AND248JN0NNNNN
Brand	Allen-Bradley
Product Series	PowerFlex 755
Product Type	Industrial AC Variable Frequency Drive
Drive Category	Adjustable Frequency AC Drive
Application	Industrial motor control
Input System	Three-phase AC
Voltage Class	480 V class
Input Frequency	50/60 Hz
Output	Variable-frequency three-phase AC
Motor Type	Three-phase AC motor
Control	Digital motor control
Speed Control	Supported
Torque Control	Supported
Acceleration Control	Programmable
Deceleration Control	Programmable
Motor Protection	Integrated
Fault Diagnostics	Integrated
Communication	Configuration dependent
Feedback	Configuration dependent
Cooling	Forced air
Installation	Electrical cabinet/panel
Mounting	Normally vertical
Construction	Industrial open-type configuration
Application Level	Medium/large industrial machinery

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3. Brand and Product Series

Category	Information
Brand	Allen-Bradley
Product Family	PowerFlex
Product Series	PowerFlex 755
Product Type	AC Variable Frequency Drive
Main Function	Industrial motor speed and torque control
Typical Voltage	480 V class
Installation	Industrial control cabinet
Typical Motor	Three-phase AC motor
Application Level	Industrial / high-performance machinery

The PowerFlex 755 series is designed for applications that require considerably more control capability than a basic fixed-speed motor starter.

The series is suitable for machines where speed, torque, acceleration, deceleration and motor operating conditions need to be managed as part of the overall production process.

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4. Product Identification

The complete catalog number is:

20G1AND248JN0NNNNN

For general product identification, the catalog number can be viewed as a combination of product-family, electrical-rating and configuration positions.

Catalog Number Section	General Identification
20G	PowerFlex 755 family
1	Product configuration
A	Configuration position
ND	Drive configuration/rating designation
248	Rating/configuration designation
J	Hardware/configuration option
N	Option position
0	Configuration position
NNNNN	Additional standard configuration positions

The catalog number should be kept intact when ordering or replacing the drive.

A replacement should not be selected simply because the first few characters look similar.

Motor current, voltage, duty, overload requirement, frame size, communication options, feedback requirements and physical installation requirements should all be checked.

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5. Main Technical Specifications

Parameter	Specification
Model	20G1AND248JN0NNNNN
Brand	Allen-Bradley
Series	PowerFlex 755
Product Type	Industrial AC Drive
Input Voltage Class	480 V
Typical Input Voltage Range	Approximately 380–480 V AC class
Input Phase	Three-phase
Input Frequency	50/60 Hz
Output Phase	Three-phase
Output Frequency	Variable
Drive Rating	248-class configuration
Motor Control	Adjustable-frequency / vector-oriented control
Speed Reference	Programmable
Torque Control	Supported
Acceleration	Programmable
Deceleration	Programmable
Motor Overload Protection	Supported
Overcurrent Protection	Supported
Overvoltage Protection	Supported
Undervoltage Protection	Supported
Thermal Protection	Supported
Stall Protection	Supported
Fault Monitoring	Supported
Diagnostic Functions	Supported
PID Functions	Available for suitable applications
Preset Speeds	Supported
Jog Function	Supported
Auto-Tuning	Supported through applicable control modes
Communication	Configuration dependent
Feedback	Configuration dependent
Cooling	Forced air
Mounting	Panel/cabinet
Orientation	Normally vertical
Construction	Open type
Industrial Application	Yes

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6. Electrical Characteristics

The 20G1AND248JN0NNNNN is intended for use in a 480 V-class three-phase industrial power system.

This voltage class is commonly used in larger industrial machines, manufacturing equipment, processing systems and automated production facilities.

The drive receives three-phase AC power and converts it into controlled variable-frequency output power for the connected motor.

Changing the output frequency allows the motor to operate at different speeds.

The exact electrical output rating associated with the 248 configuration should be verified against the physical drive nameplate before final motor selection.

For practical engineering selection, motor full-load current is particularly important.

Electrical Parameter	Selection Consideration
Motor Voltage	Must match the drive output voltage range
Motor Current	Must be within the drive’s continuous current capability
Motor Power	Useful for preliminary sizing
Motor Frequency	Normally 50 or 60 Hz
Load Type	Constant torque or variable torque
Overload	Must meet the machine’s peak-load requirement
Acceleration	Must support required starting performance
Deceleration	Must support required stopping performance
Braking	Additional braking may be required for high-inertia loads
Feedback	Required if closed-loop control is needed
Communication	Must match the automation architecture
Motor Cable	Length and installation method should be considered

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7. Approximate Dimensions and Weight

The exact mechanical dimensions of the 20G1AND248JN0NNNNN depend on the frame and configuration represented by the complete catalog number.

For preliminary engineering and cabinet-layout purposes, the product can be considered a large industrial drive.

Mechanical Parameter	Approximate Value
Model	20G1AND248JN0NNNNN
Installation	Panel/cabinet mounted
Construction	Open type
Approximate Width	350–450 mm
Approximate Height	600–800 mm
Approximate Depth	300–400 mm
Approximate Overall Size	350–450 × 600–800 × 300–400 mm
Approximate Weight	55–80 kg
Weight Unit	kg
Cooling	Forced air
Mounting Direction	Vertical
Cabinet Installation	Yes
Ventilation	Required
Maintenance Clearance	Required
Cable Entry Space	Required
Heat Dissipation	Significant

The above dimensions and weight are preliminary reference values.

For a final cabinet design, the exact mechanical drawing for the purchased configuration should be used.

This is particularly important because accessories, feedback hardware, communication modules and other configuration elements can affect the final mechanical arrangement.

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8. Product Introduction

The 20G1AND248JN0NNNNN is designed to provide controlled operation of industrial three-phase AC motors.

A conventional motor starter normally provides basic starting and stopping.

An adjustable-frequency drive provides much greater control over the motor.

The drive can change the operating speed, control acceleration and deceleration, manage motor torque and monitor operating conditions.

This allows the motor to become part of the machine’s overall control system.

For example, a conveyor can start slowly before reaching production speed.

A pump can reduce speed when the required flow decreases.

A fan can operate at a lower speed when maximum airflow is unnecessary.

A mixer can use different speeds for different stages of the production process.

A roller can maintain controlled speed while the production load changes.

These functions make the drive suitable for industrial machinery where motor behavior directly affects production performance.

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9. Variable-Speed Operation

One of the most important functions of the product is variable-speed control.

The motor does not have to operate continuously at its nominal speed.

Instead, the speed can be adjusted according to the programmed speed reference.

This can be particularly useful for:

• Conveyor systems.
• Pumps.
• Fans.
• Blowers.
• Mixers.
• Rollers.
• Feeders.
• Processing machines.
• Automated production systems.

Variable-speed operation can also make it easier to coordinate several motors within a production line.

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10. Controlled Acceleration

Large motors can create significant mechanical stress when started suddenly.

The drive can provide a programmed acceleration ramp.

Instead of immediately applying full operating speed, the motor can increase speed gradually.

This can help reduce mechanical shock on:

• Shafts.
• Couplings.
• Gearboxes.
• Belts.
• Chains.
• Rollers.
• Conveyor structures.

Controlled acceleration is particularly valuable for machines with large rotating masses.

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11. Controlled Deceleration

The drive can also control the rate at which the motor slows down.

This can make machine stopping smoother and more predictable.

Controlled deceleration can be useful when:

• Material must remain stable on a conveyor.
• Mechanical components should not experience sudden loading.
• A production machine requires controlled stopping.
• A large rotating mass must be slowed down.
• Multiple motors need coordinated stopping.

For high-inertia applications requiring rapid stopping, the braking system should be evaluated separately.

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12. Torque Control

The PowerFlex 755 platform is suitable for applications where torque behavior is important.

Torque-related control can be useful when the mechanical load changes significantly during operation.

Typical examples include:

• Material handling.
• Conveyors.
• Mixers.
• Rollers.
• Processing machinery.
• Heavy rotating machinery.
• Feed systems.

The exact torque-control performance depends on motor characteristics, control mode, drive setup and application configuration.

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13. Motor Protection

The drive can monitor motor and drive operating conditions.

Depending on the configured functions, protective capabilities can include:

• Overcurrent protection.
• Overvoltage protection.
• Undervoltage protection.
• Thermal protection.
• Motor overload protection.
• Stall-related protection.
• Fault detection.

These functions can help protect the motor and drive from abnormal operating conditions.

Proper motor data and protection parameters should be entered during commissioning.

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14. Diagnostic Capability

Industrial machinery requires effective troubleshooting.

The drive can provide operating and fault information that can assist maintenance personnel.

Useful information may include:

• Drive operating status.
• Motor current.
• Speed reference.
• Actual operating speed.
• Alarm status.
• Fault status.
• Operating conditions.
• Parameter information.

This information can make maintenance more systematic.

Instead of immediately replacing components, technicians can investigate the drive’s operating information and identify possible causes of abnormal behavior.

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15. Communication and Automation Integration

The drive can be integrated into an industrial automation system depending on the selected communication configuration.

A typical system architecture can be represented as:

Controller → Industrial Network / Control Interface → AC Drive → Motor → Mechanical Load

The controller can issue commands while the drive controls the motor.

The automation system can also monitor operating conditions.

Typical information can include:

Information	Example
Speed Reference	Desired motor speed
Actual Speed	Current motor operating speed
Motor Current	Current motor load
Drive Status	Running / stopped / fault
Alarm	Warning condition
Fault	Drive or motor-related abnormal condition
Operating Command	Start / stop / speed command

This type of integration is particularly useful for automated production machinery.

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16. Main Product Advantages

16.1 High-Level Industrial Motor Control

The product provides more than basic motor starting.

It is designed for industrial machines that require controlled motor operation.

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16.2 Flexible Speed Adjustment

Motor speed can be adjusted to suit different operating conditions.

This is particularly useful where machine output needs to change according to production requirements.

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16.3 Smooth Starting

Controlled acceleration can reduce mechanical shock during motor starting.

This can be beneficial for large conveyors, pumps, fans and machines with substantial rotating inertia.

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16.4 Controlled Stopping

Controlled deceleration can provide smoother machine stopping.

This can improve process consistency and reduce unnecessary mechanical stress.

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16.5 Advanced Motor Control

The drive can support advanced motor-control strategies suitable for industrial machinery.

This provides better control than simple fixed-speed motor operation.

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16.6 Protection and Diagnostics

Integrated monitoring and protection functions can help identify abnormal conditions.

This can simplify troubleshooting and maintenance.

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16.7 Automation Compatibility

The drive can become part of an automated control system.

This makes it suitable for production lines and machines where the motor must respond to commands from a supervisory or machine controller.

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16.8 Flexible Configuration

The PowerFlex 755 platform supports different configuration options.

Depending on the application, the system can be equipped with suitable communication, feedback and I/O functions.

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17. Main Applications

17.1 Conveyor Systems

Conveyors are one of the most common applications for industrial variable-frequency drives.

The drive can control conveyor speed and provide smooth starting and stopping.

Typical applications include:

• Belt conveyors.
• Roller conveyors.
• Chain conveyors.
• Production-line conveyors.
• Material-transfer systems.

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17.2 Industrial Pumps

Pump speed can be adjusted according to process demand.

This can be useful in applications where flow requirements change.

Typical applications include:

• Process pumps.
• Water circulation.
• Cooling systems.
• Fluid transfer.
• Industrial water systems.

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17.3 Fans and Blowers

Industrial ventilation equipment often operates under changing airflow requirements.

The drive can regulate motor speed to suit the required airflow.

Typical applications include:

• Industrial ventilation.
• Exhaust systems.
• Cooling systems.
• Dust collection.
• Process-air systems.

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17.4 Material Handling

Material-handling equipment benefits from controlled acceleration and deceleration.

Typical equipment includes:

• Conveyors.
• Rollers.
• Feeders.
• Transfer machines.
• Industrial transport systems.

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17.5 Mixers

Mixing processes may require different motor speeds during different production stages.

The drive can provide programmable speed control.

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17.6 Processing Machinery

The product can be used in processing machinery where motor speed is directly related to production quality.

Examples include:

• Rollers.
• Feed systems.
• Processing lines.
• Production machinery.
• Industrial material-processing equipment.

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18. Application Suitability

Application	Suitability	Main Benefit
Large conveyor	★★★★★	Speed and torque control
Material handling	★★★★★	Controlled acceleration
Industrial pump	★★★★★	Variable-speed operation
Large fan	★★★★★	Airflow regulation
Blower	★★★★★	Adjustable operating speed
Mixer	★★★★★	Multiple process speeds
Roller	★★★★★	Controlled speed and torque
Processing equipment	★★★★★	Process flexibility
Automated production line	★★★★★	Automation integration
Simple fixed-speed machine	★★★☆☆	May provide more capability than required

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19. Five Same-Series or Related Models

The following models are useful for comparison with the 20G1AND248JN0NNNNN.

Model	Series	Voltage Class	Rating Position	Approx. Dimensions	Approx. Weight (kg)	Typical Application
20G1AND248JN0NNNNN	PowerFlex 755	480 V class	248-class configuration	350–450 × 600–800 × 300–400 mm	55–80 kg	Large industrial machinery
20G11ND156AA0NNNNN	PowerFlex 755	480 V class	156 A class	Approx. 350 × 500 × 350 mm	40–50 kg	Large process equipment
20G11ND125AA0NNNNN	PowerFlex 755	480 V class	125 A class	Approx. 300 × 450 × 300 mm	30–40 kg	Industrial machinery
20G11ND096AA0NNNNN	PowerFlex 755	480 V class	96 A class	Approx. 300 × 400 × 250 mm	25–35 kg	Pumps, conveyors and process equipment
20F11NC030JA0NNNNN	PowerFlex 753	480 V class	Approx. 30 A class	Approx. 300 × 300 × 500 mm	12–20 kg	Industrial automation

These models should be regarded as related comparison products rather than guaranteed drop-in replacements.

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20. Comparison of Related Drive Models

Model	Rating / Current Class	Voltage	Approx. Motor Class	Dimensions	Weight (kg)
20G11ND096AA0NNNNN	96 A	480 V	75 HP / 55 kW class	300 × 400 × 250 mm	25–35
20G11ND125AA0NNNNN	125 A	480 V	100 HP / 75 kW class	300 × 450 × 300 mm	30–40
20G11ND156AA0NNNNN	156 A	480 V	125 HP class	350 × 500 × 350 mm	40–50
20G1AND248JN0NNNNN	248-class configuration	480 V class	Large industrial motor class	350–450 × 600–800 × 300–400 mm	55–80
20F11NC030JA0NNNNN	Approx. 30 A	480 V class	Medium-power class	300 × 300 × 500 mm	12–20

The 20G1AND248JN0NNNNN occupies a larger-capacity position in this comparison.

The exact motor horsepower and continuous output current should be determined from the specific product rating rather than inferred solely from the catalog-number section.

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21. Five Popular Models from the Same Brand

The following products represent different capacity and application positions within the same general industrial drive portfolio.

Model	Series	Voltage Class	Approx. Rating Class	Approx. Dimensions	Weight (kg)	Typical Application
20G1AND248JN0NNNNN	PowerFlex 755	480 V class	248-class configuration	350–450 × 600–800 × 300–400 mm	55–80	Large industrial machinery
20G11ND156AA0NNNNN	PowerFlex 755	480 V class	156 A class	350 × 500 × 350 mm	40–50	Process machinery
20F11NC030JA0NNNNN	PowerFlex 753	480 V class	30 A class	300 × 300 × 500 mm	12–20	Industrial equipment
25B-D024N114	PowerFlex 525	480 V class	24 A class	Approx. 250 × 150 × 220 mm	5–8	Compact machinery
25C-D017N114	PowerFlex 527	480 V class	17 A class	Approx. 250 × 150 × 220 mm	5–8	Networked machine applications

These products are not identical in capacity or physical construction.

The smaller models are more appropriate for compact machinery, while the PowerFlex 755 family is intended for larger and more demanding industrial applications.

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22. Product Family Comparison

Feature	PowerFlex 525	PowerFlex 527	PowerFlex 753	PowerFlex 755
Product Position	Compact industrial drive	Compact automation-oriented drive	Industrial drive	High-performance industrial drive
Typical Motor Size	Small/medium	Small/medium	Medium/large	Medium/large/large
Physical Size	Compact	Compact	Larger	Larger
Speed Control	Good	Good	Advanced	Advanced
Torque Control	Supported	Supported	Advanced	Advanced
Communication	Available	Network-oriented	Available	Extensive configuration options
Feedback	Configuration dependent	Application dependent	Available	Available
Expansion	Good	Good	Strong	Strong
Large Motor Applications	Limited	Limited	Good	Excellent
Complex Machinery	Good	Very good	Very good	Excellent
Typical Application	Compact machines	Networked machines	Industrial machinery	High-performance machinery

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23. Motor Selection Considerations

For an industrial AC drive, the motor’s full-load current is normally more important than horsepower alone.

Two motors with the same nominal horsepower can have different current requirements depending on voltage, efficiency, power factor and design.

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

Motor Parameter	Why It Matters
Rated Voltage	Determines compatibility with drive output
Full-Load Current	Primary drive sizing parameter
Rated Power	Helps establish drive capacity
Rated Frequency	Determines operating frequency
Rated Speed	Important for speed-control setup
Power Factor	Relevant to electrical loading
Efficiency	Useful for system calculations
Overload Requirement	Important for demanding applications
Motor Type	Determines suitable control strategy
Encoder	Required for certain closed-loop applications

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24. Preliminary Motor-Class Comparison

Motor Size	Approx. Drive Class	Example
37 kW / 50 HP	65 A class	20G11ND065AA0NNNNN
45 kW / 60 HP	77 A class	20G11ND077AA0NNNNN
55 kW / 75 HP	96 A class	20G11ND096AA0NNNNN
75 kW / 100 HP	125 A class	20G11ND125AA0NNNNN
90 kW / 125 HP class	156 A class	20G11ND156AA0NNNNN
Large industrial motor	248-class configuration	20G1AND248JN0NNNNN

The final motor-drive combination should be selected using actual nameplate current and the required duty.

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25. Cabinet Installation

The 20G1AND248JN0NNNNN should be installed with adequate cabinet space and ventilation.

Because the drive can generate significant heat during operation, the cabinet’s thermal design is important.

The installation should provide adequate space around the drive for airflow and maintenance.

The following should be considered:

• Cooling airflow.
• Heat dissipation.
• Power-cable routing.
• Motor-cable routing.
• Control wiring.
• Communication wiring.
• Grounding.
• Maintenance access.
• Cable bending radius.
• Component replacement space.

The approximate mechanical envelope of 350–450 mm × 600–800 mm × 300–400 mm should therefore be considered only as a preliminary layout reference.

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26. Cabinet Design Reference

Cabinet Design Parameter	Approximate Requirement
Drive Model	20G1AND248JN0NNNNN
Width	350–450 mm
Height	600–800 mm
Depth	300–400 mm
Weight	55–80 kg
Mounting	Vertical
Cooling	Forced air
Ventilation	Required
Heat Load	Significant
Maintenance Space	Required
Cable Entry	Adequate space required
Grounding	Proper industrial grounding
Cabinet Structure	Must support drive weight
Environmental Protection	Suitable enclosure required for site conditions

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27. Mechanical Installation Advantages

A cabinet-mounted industrial drive allows the motor-control system to be integrated with other electrical components.

Depending on the machine design, the cabinet can contain:

• Circuit protection.
• Contactors.
• Disconnect equipment.
• Control devices.
• PLC equipment.
• Communication equipment.
• Terminal blocks.
• Safety components.
• The AC drive.

This creates a centralized control system.

The drive can therefore become one part of a complete industrial automation cabinet rather than operating as an isolated component.

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28. Potential Energy Benefits

Variable-speed control can provide energy-saving opportunities in applications where the mechanical load changes with speed.

This is especially relevant to centrifugal pumps and fans.

When the process does not require maximum output, the motor can operate at a lower speed.

This can reduce unnecessary motor power consumption.

However, energy savings depend on:

• Motor size.
• Load characteristics.
• Operating hours.
• Speed profile.
• Process requirements.
• Mechanical system design.

Therefore, the drive should be considered an important tool for energy optimization rather than a guarantee of a specific energy reduction.

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29. Maintenance and Troubleshooting Benefits

The drive provides information that can assist maintenance personnel in understanding machine conditions.

Commonly useful information includes:

Diagnostic Information	Maintenance Value
Drive Status	Shows current operating state
Motor Current	Indicates approximate motor loading
Speed Reference	Shows requested speed
Actual Speed	Shows actual motor operation
Fault Status	Helps identify abnormal conditions
Alarm Status	Provides early warning
Thermal Information	Helps identify overheating conditions
Operating Parameters	Supports commissioning and troubleshooting

This can reduce troubleshooting time.

A maintenance technician can use drive information to determine whether the problem is more likely to be associated with the motor, mechanical load, electrical supply, control command or drive itself.

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30. Industries and Equipment

Industry	Equipment	Typical Application
Manufacturing	Production machinery	Motor speed control
Material Handling	Conveyors	Speed and torque control
Water Systems	Pumps	Flow control
HVAC / Ventilation	Fans	Airflow regulation
Industrial Processing	Mixers	Variable-speed mixing
Packaging	Conveyors and machines	Controlled production speed
Food Processing	Mixers and conveyors	Process control
General Machinery	Industrial machines	Motor control
Process Industry	Pumps, fans and rollers	Process regulation
Warehousing	Material handling	Conveyor control
Heavy Machinery	Large rotating equipment	Speed and torque control

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31. Important Parameters Before Purchase

Parameter	What Should Be Confirmed
Model	20G1AND248JN0NNNNN
Input Voltage	480 V-class system
Input Phase	Three-phase
Motor Voltage	Motor nameplate
Motor Current	Motor full-load current
Motor Power	kW / HP
Motor Frequency	50/60 Hz
Load Type	Constant torque / variable torque
Duty Requirement	Normal or demanding duty
Overload Requirement	Required overload level
Acceleration	Required acceleration time
Deceleration	Required deceleration time
Braking	Required braking method
Feedback	Encoder or other feedback requirement
Communication	Required control network
I/O	Required control signals
Dimensions	Actual configured dimensions
Weight	Actual configured weight in kg
Cooling	Cabinet ventilation
Ambient Temperature	Site operating conditions
Altitude	Installation altitude
Motor Cable	Length and routing
Grounding	Correct grounding arrangement

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32. Five Recommended Same-Series or Related Models

Model	Series	Voltage	Approx. Rating	Approx. Dimensions	Weight (kg)	Recommended Use
20G11ND096AA0NNNNN	PowerFlex 755	480 V	96 A class	300 × 400 × 250 mm	25–35	Medium-large machinery
20G11ND125AA0NNNNN	PowerFlex 755	480 V	125 A class	300 × 450 × 300 mm	30–40	Large industrial equipment
20G11ND156AA0NNNNN	PowerFlex 755	480 V	156 A class	350 × 500 × 350 mm	40–50	Large process machinery
20G1ANC302JN0NNNNN	PowerFlex 755	480 V class	302-class configuration	400–500 × 700–900 × 350–450 mm	70–100	High-capacity machinery
20F11NC030JA0NNNNN	PowerFlex 753	480 V class	30 A class	300 × 300 × 500 mm	12–20	General industrial machinery

These recommendations are intended to provide a range of related products.

They should not be considered automatic substitutes without checking the motor and machine requirements.

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33. Five Recommended Popular Models

Model	Series	Voltage Class	Approx. Rating	Approx. Dimensions	Weight (kg)	Typical Application
20G1AND248JN0NNNNN	PowerFlex 755	480 V	248-class configuration	350–450 × 600–800 × 300–400 mm	55–80	Large industrial machinery
20G11ND156AA0NNNNN	PowerFlex 755	480 V	156 A class	350 × 500 × 350 mm	40–50	Large process equipment
20F11NC030JA0NNNNN	PowerFlex 753	480 V class	30 A class	300 × 300 × 500 mm	12–20	Industrial equipment
25B-D024N114	PowerFlex 525	480 V class	24 A class	250 × 150 × 220 mm	5–8	Compact industrial machinery
25C-D017N114	PowerFlex 527	480 V class	17 A class	250 × 150 × 220 mm	5–8	Networked machine applications

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34. Why Choose the PowerFlex 755 Family?

The main reason to select this family is its positioning toward demanding industrial motor-control applications.

A machine may require more than simple speed adjustment.

It may need:

• Precise speed control.
• Controlled acceleration.
• Controlled deceleration.
• Torque management.
• Motor protection.
• Fault diagnostics.
• Communication.
• Feedback.
• Additional I/O.
• Integration with a machine controller.

The PowerFlex 755 platform is designed around these types of requirements.

It is therefore particularly suitable for complex machinery where the drive is an important part of the overall control architecture.

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35. Practical Application Example – Conveyor

A typical conveyor system may require the motor to start smoothly.

If the conveyor starts too quickly, material can shift or mechanical components can experience unnecessary stress.

With an AC drive, the motor can accelerate gradually.

Once the desired speed is reached, the drive can maintain the programmed speed.

When the conveyor needs to stop, the drive can use a controlled deceleration profile.

This provides a more predictable production process.

For conveyors with different production rates, the speed reference can also be adjusted according to the production requirement.

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36. Practical Application Example – Pump

A pump does not necessarily need to operate at maximum speed continuously.

If process demand changes, the drive can adjust motor speed.

This can provide better process control than operating the pump at full speed and controlling the process using mechanical restrictions.

The exact benefit depends on pump characteristics and system design.

For centrifugal pump systems, variable-speed operation can also provide significant energy-management opportunities.

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37. Practical Application Example – Fan

Industrial ventilation systems often have changing airflow requirements.

A fan operating continuously at maximum speed can consume unnecessary energy when lower airflow is sufficient.

An adjustable-frequency drive can reduce motor speed when the process requires less airflow.

This can improve process flexibility and may reduce energy consumption.

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38. Practical Application Example – Mixer

A mixer may require different operating speeds during different stages of production.

For example, a machine may require:

1. Low-speed loading.
2. Medium-speed mixing.
3. Higher-speed processing.
4. Controlled deceleration.

An adjustable-frequency drive can provide these different operating conditions without requiring mechanical speed changes.

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39. Overall Product Advantages

Advantage	Practical Result
Adjustable speed	Flexible production operation
Controlled acceleration	Reduced mechanical shock
Controlled deceleration	Smoother stopping
Torque management	Better control of changing loads
Motor protection	Improved equipment protection
Diagnostics	Easier troubleshooting
Communication	Better automation integration
Flexible configuration	Adaptable machine architecture
Industrial design	Suitable for demanding machinery
Variable-speed operation	Potential energy optimization
Large-drive capability	Suitable for larger industrial motors

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40. Final Product Summary

The 20G1AND248JN0NNNNN is an industrial adjustable-frequency AC drive belonging to the PowerFlex 755 series.

It is intended for controlling three-phase AC motors in industrial machinery where variable-speed operation, controlled acceleration, controlled deceleration, motor protection, diagnostics and automation integration are important.

The product is particularly suitable for larger industrial equipment and process machinery.

Its potential applications include large conveyors, material-handling systems, pumps, fans, blowers, mixers, rollers, processing machinery and automated production lines.

One of its major advantages is that the motor can be operated according to actual process requirements rather than being limited to simple fixed-speed operation.

Controlled acceleration can reduce mechanical shock.

Controlled deceleration can improve stopping performance.

Variable-speed operation can provide greater process flexibility.

Motor protection and diagnostic functions can assist with equipment protection and maintenance.

Communication and optional control functions can also allow the drive to become part of a larger automated machine.

For preliminary mechanical planning, the 20G1AND248JN0NNNNN can be considered a relatively large cabinet-mounted drive, with an approximate physical envelope of 350–450 mm in width, 600–800 mm in height and 300–400 mm in depth, and an approximate weight of 55–80 kg.

These dimensions and weight are preliminary engineering reference values rather than guaranteed final shipping or installation values.

The final installation should be based on the exact configured product.

Before purchasing or replacing the drive, the most important parameters to verify are input voltage, motor voltage, motor full-load current, motor power, duty rating, load type, overload requirement, acceleration and deceleration requirements, braking requirements, feedback requirements, communication requirements, physical dimensions and actual weight.

When these parameters are correctly matched, the 20G1AND248JN0NNNNN provides a strong solution for industrial motor-control applications requiring flexible speed regulation, controlled motor operation and integration into an automated production environment.