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The Allen-Bradley 20G1ANF263JN0NNNNN is a high-power PowerFlex 755 AC drive designed for large industrial motor-control applications where high output capacity, reliable variable-speed operation, network communication, and flexible system integration are required.
This model is designed for 690 VAC three-phase power and has a rated output current of 263 A. It provides a 250 kW Normal Duty rating and a 200 kW Heavy Duty rating, making it suitable for a wide range of large pumps, fans, blowers, conveyors, process machines, mixers, agitators, and other high-power rotating equipment.
The drive uses a Frame 7 mechanical platform and forced-air cooling. Its open-type construction allows it to be installed inside a properly engineered electrical cabinet or control enclosure.
The 20G1ANF263JN0NNNNN includes embedded EtherNet/IP communication, allowing it to communicate directly with industrial controllers and automation systems.
One of the most important characteristics of this model is its JN configuration. The drive uses a filtered configuration with the CM jumper installed, while dynamic braking is not included internally. This makes the model particularly appropriate for applications where an internal braking transistor is not required.
| Parameter | Specification |
|---|---|
| Model | 20G1ANF263JN0NNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Product Type | High-Power AC Variable Frequency Drive |
| Drive Family | PowerFlex 755 |
| Rated Voltage | 690 VAC |
| Input Phase | 3 Phase |
| Output Current | 263 A |
| Normal Duty Rating | 250 kW |
| Heavy Duty Rating | 200 kW |
| Frame Size | Frame 7 |
| Cooling Method | Forced Air |
| Input Configuration | AC Input with Precharge |
| DC Terminals | None |
| Dynamic Braking | None |
| Filtering | Filtered |
| CM Jumper | Installed |
| Communication | Embedded EtherNet/IP |
| HIM | Blank / No HIM |
| Enclosure Type | NEMA/UL Open Type |
| Protection | IP20/IP00 |
| Approx. Height | 881.5 mm |
| Approx. Width | 430.0 mm |
| Approx. Depth | 349.6 mm |
| Approx. Weight | 72.6–108.9 kg |
| Mounting | Electrical Cabinet / Panel |
| Cooling | Forced Air |
| Typical Use | Large Industrial Motor Control |
20G1ANF263JN0NNNNN
The model belongs to the high-power 690 V section of the PowerFlex 755 family.
The 263 A output-current class places the drive in the large Frame 7 range and allows it to control substantially larger motors than the lower-current models in the same family.
The 250 kW Normal Duty rating makes the drive suitable for many high-power variable-torque and relatively stable-load applications.
The 200 kW Heavy Duty rating provides a separate operating rating for applications with more demanding load characteristics.
The JN configuration is particularly important because it specifies a filtered drive with the CM jumper installed and without an internal dynamic braking transistor.
| Electrical Parameter | 20G1ANF263JN0NNNNN |
|---|---|
| Model | 20G1ANF263JN0NNNNN |
| Rated Input Voltage | 690 VAC |
| Input Phase | 3 Phase |
| Input Frequency | 50/60 Hz class |
| Output Current | 263 A |
| Normal Duty Power | 250 kW |
| Heavy Duty Power | 200 kW |
| Input Type | AC Input with Precharge |
| DC Input Terminals | None |
| Dynamic Braking | None |
| Filtering | Filtered |
| CM Capacitor Jumper | Installed |
| Cooling | Forced Air |
| Frame | 7 |
| Communication | Embedded EtherNet/IP |
| HIM | Blank / No HIM |
| Enclosure | Open Type |
| Protection | IP20/IP00 |
The 690 V operating class makes this model particularly suitable for high-power industrial motor systems.
At a given motor power, a higher motor voltage can allow the system to operate with lower current than a comparable lower-voltage motor arrangement, which can be beneficial when designing large industrial power-distribution systems.
The 20G1ANF263JN0NNNNN provides two important power ratings: 250 kW Normal Duty and 200 kW Heavy Duty.
Normal Duty applications generally involve loads where the motor operates with relatively predictable torque requirements and moderate overload demand.
Heavy Duty applications can involve more demanding acceleration, higher torque requirements, greater load fluctuations, or more frequent overload conditions.
| Duty Classification | Power Rating | Typical Load Characteristics |
|---|---|---|
| Normal Duty | 250 kW | Variable-torque or relatively stable industrial loads |
| Heavy Duty | 200 kW | Higher-torque, more demanding or variable-load applications |
The correct rating should be selected according to the actual motor current, load profile, acceleration requirements, overload requirements, and operating cycle.
Motor nameplate current is particularly important when determining whether a particular drive size is appropriate.
The 20G1ANF263JN0NNNNN uses the Frame 7 mechanical platform.
| Mechanical Parameter | Specification |
|---|---|
| Model | 20G1ANF263JN0NNNNN |
| Frame Size | Frame 7 |
| Height | Approx. 881.5 mm |
| Width | Approx. 430.0 mm |
| Depth | Approx. 349.6 mm |
| Approx. Weight | 72.6–108.9 kg |
| Cooling | Forced Air |
| Installation | Vertical Cabinet / Panel |
| Enclosure | Open Type |
| Protection | IP20/IP00 |
The weight is given as a range because the final installed configuration can vary depending on the hardware and accessories used with the drive.
For transportation, cabinet design, lifting, and structural calculations, the actual configured product weight should be confirmed before final installation.
The physical dimensions should also be considered together with cable-bending space, ventilation clearance, maintenance access, and cabinet-mounted accessories.
The PowerFlex 755 series is designed for industrial applications that require advanced variable-speed motor control rather than simple frequency adjustment.
The 20G1ANF263JN0NNNNN is positioned toward the high-power end of the 690 V range.
Its combination of 263 A output current, 250 kW Normal Duty capability, 200 kW Heavy Duty capability, Frame 7 construction, forced-air cooling, and embedded EtherNet/IP makes it suitable for large industrial installations.
The drive can be integrated into centralized control cabinets, motor-control systems, production lines, process plants, pumping stations, material-handling systems, and other industrial installations where large motors must be controlled from an automation system.
The open-type construction provides flexibility for cabinet designers.
Instead of using the drive as a standalone outdoor product, it is normally incorporated into a suitable electrical enclosure that provides the necessary environmental protection and thermal management.
The JN configuration is one of the key characteristics of this model.
For the 20G1ANF263JN0NNNNN:
This configuration can be useful when the machine does not require an internal dynamic braking transistor.
For applications requiring significant regenerative braking, the braking arrangement must instead be designed separately according to the machine’s regenerative energy and stopping requirements.
Unlike the corresponding JA configuration, the 20G1ANF263JN0NNNNN does not include an internal dynamic braking transistor.
This distinction should be considered carefully when selecting between the JN and JA models.
A motor can regenerate energy during deceleration, especially when the driven machine has substantial rotating inertia or when the load drives the motor during speed reduction.
If the application requires frequent rapid deceleration, the engineering design should evaluate whether an external braking solution, regenerative system, or different drive configuration is necessary.
Typical applications requiring detailed braking analysis include:
The absence of an internal braking transistor is therefore not simply a limitation; it is a configuration characteristic that allows the drive to be selected for applications where internal dynamic braking is not required.
The 20G1ANF263JN0NNNNN can be compared directly with the 20G1ANF263JA0NNNNN.
| Parameter | 20G1ANF263JN0NNNNN | 20G1ANF263JA0NNNNN |
|---|---|---|
| Voltage | 690 VAC | 690 VAC |
| Output Current | 263 A | 263 A |
| Normal Duty | 250 kW | 250 kW |
| Heavy Duty | 200 kW | 200 kW |
| Frame | 7 | 7 |
| Cooling | Forced Air | Forced Air |
| Filtering | Filtered | Filtered |
| CM Jumper | Installed | Installed |
| Dynamic Braking | None | Internal DB Transistor |
| EtherNet/IP | Embedded | Embedded |
| Dimensions | Approx. 881.5 × 430 × 349.6 mm | Approx. 881.5 × 430 × 349.6 mm |
| Weight | Approx. 72.6–108.9 kg | Approx. 72.6–108.9 kg |
The primary functional difference between these two configurations is the internal dynamic braking capability.
When internal dynamic braking is required, the JA configuration provides the internal braking transistor.
When internal dynamic braking is not required, the JN configuration provides the corresponding high-power drive platform without that internal transistor.
The 20G1ANF263JN0NNNNN includes embedded EtherNet/IP communication.
This is useful in modern industrial automation systems where the drive must communicate directly with a controller or plant network.
Typical information exchanged through the network can include:
This allows the drive to become an integrated component of the overall automation architecture rather than functioning as an isolated motor controller.
The 20G1ANF263JN0NNNNN can be applied to large water-pumping systems where the motor operates at variable speeds according to process demand.
Typical applications include:
For variable-torque pump applications, speed control can be used to match pump output with process requirements.
Large industrial fans can require substantial motor power.
The 690 V, 263 A configuration is suitable for large fan installations where motor current and duty fall within the drive rating.
Typical applications include:
Large blowers can also benefit from variable-speed operation.
The drive can regulate motor speed according to air-flow requirements and can communicate operating information to the plant control system.
Potential applications include:
Large conveyors often require stable speed control and reliable acceleration.
The 20G1ANF263JN0NNNNN can be used for large material-handling systems where the motor power and current are within the drive’s operating range.
Typical installations include:
The actual motor starting torque and acceleration requirements should be evaluated before final drive selection.
Industrial mixers and agitators frequently operate under changing mechanical loads.
The drive can provide adjustable motor speed and centralized control, making it useful for processes where mixing speed must be changed according to the production stage.
Potential industries include:
Large process machines may require stable speed regulation, centralized monitoring, and communication with the main automation controller.
The PowerFlex 755 platform is well suited to these requirements.
Examples include:
The 690 V rating makes the drive suitable for large industrial motor systems.
This voltage class is widely associated with large industrial motors and high-power electrical installations.
The higher motor voltage can also help reduce motor current compared with equivalent lower-voltage motor systems for the same power level.
The 263 A output-current rating provides substantial motor-control capacity.
This makes the drive appropriate for large industrial motors where smaller PowerFlex models would not provide sufficient current capability.
The 250 kW Normal Duty rating gives the model a large operating range for high-power variable-torque and relatively stable-load machinery.
This is particularly relevant for large pumps, fans, blowers, and other industrial systems where the motor does not continuously operate under severe overload conditions.
The 200 kW Heavy Duty rating allows the same drive platform to be applied to more demanding applications when the actual motor current and overload profile remain within the specified drive capability.
This gives engineers more flexibility when matching the drive to the actual machine duty.
Integrated industrial Ethernet communication simplifies connection to automation systems.
The drive can exchange commands, status information, alarms, and operating data with the plant control architecture.
The filtered configuration can be advantageous in installations where electrical noise and electromagnetic compatibility require careful consideration.
Proper grounding, cable routing, shielding, motor cable selection, and cabinet design remain important parts of the complete installation.
The installed CM jumper provides the specified common-mode capacitor configuration for this model.
This is relevant when considering the overall grounding and electrical-noise characteristics of the drive installation.
For applications that do not require internal dynamic braking, the JN configuration avoids including the internal braking transistor.
This can be appropriate for applications where the machine has relatively long natural deceleration, low regenerative energy, or an independently designed braking or regenerative system.
The Frame 7 platform is designed for high-power operation.
Its larger mechanical structure accommodates the power components and cooling requirements associated with the 263 A rating.
The 20G1ANF263JN0NNNNN uses forced-air cooling.
The cooling system is critical for reliable operation because high-power drives generate significant heat during operation.
The electrical cabinet should therefore be designed with sufficient ventilation and thermal capacity.
Important considerations include:
A high-power drive should not be installed in a cabinet that was designed only according to physical dimensions without considering heat dissipation.
Because the drive is an open-type product, the final installation should provide the required environmental and electrical protection.
The cabinet should accommodate:
The mechanical structure must also be capable of supporting a drive with an approximate weight of 72.6–108.9 kg.
| Installation Parameter | Value |
|---|---|
| Model | 20G1ANF263JN0NNNNN |
| Frame | 7 |
| Height | 881.5 mm |
| Width | 430.0 mm |
| Depth | 349.6 mm |
| Approx. Weight | 72.6–108.9 kg |
| Installation Position | Vertical |
| Cooling | Forced Air |
| Enclosure | Open Type |
| Protection | IP20/IP00 |
The listed dimensions describe the approximate drive dimensions and should not be interpreted as the complete cabinet dimensions.
Additional space is required for power cables, control cables, network connections, ventilation, maintenance, and safe installation.
Proper maintenance is important for high-power variable frequency drives.
Check fans, ventilation paths, air filters where applicable, and cabinet airflow.
Restricted airflow can increase internal temperatures.
Inspect power terminals, grounding connections, motor cables, control wiring, and other electrical connections according to the maintenance schedule.
Check for dust, moisture, excessive temperature, loose connections, and other environmental conditions that could affect the drive.
Check EtherNet/IP connections and communication status when the drive is integrated into a plant automation network.
Use drive diagnostic information to identify abnormal operating conditions and recurring faults.
The following models are closely related 690 V PowerFlex 755 models and can be considered when selecting a different motor-current or power range.
| Model | Voltage | Output Current | Normal Duty | Heavy Duty | Frame | Dynamic Braking |
|---|---|---|---|---|---|---|
| 20G1ANF142JN0NNNNN | 690 VAC | 142 A | 132 kW | 110 kW | 6 | None |
| 20G1ANF171JN0NNNNN | 690 VAC | 171 A | 160 kW | 132 kW | 7 | None |
| 20G1ANF212JN0NNNNN | 690 VAC | 212 A | 200 kW | 160 kW | 7 | None |
| 20G1ANF263JN0NNNNN | 690 VAC | 263 A | 250 kW | 200 kW | 7 | None |
| 20G1AGF263JN0NNNNN | 690 VAC | 263 A | 250 kW | 200 kW | 7 | None |
The first four models provide a convenient current and power progression within the 690 V PowerFlex 755 range.
The 20G1AGF263JN0NNNNN is a related configuration using the same general high-power platform but with a different enclosure arrangement.
| Parameter | 20G1ANF142JN0NNNNN | 20G1ANF171JN0NNNNN | 20G1ANF212JN0NNNNN | 20G1ANF263JN0NNNNN |
|---|---|---|---|---|
| Voltage | 690 VAC | 690 VAC | 690 VAC | 690 VAC |
| Current | 142 A | 171 A | 212 A | 263 A |
| Normal Duty | 132 kW | 160 kW | 200 kW | 250 kW |
| Heavy Duty | 110 kW | 132 kW | 160 kW | 200 kW |
| Frame | 6 | 7 | 7 | 7 |
| Cooling | Forced Air | Forced Air | Forced Air | Forced Air |
| Dynamic Braking | None | None | None | None |
| Filtering | Filtered | Filtered | Filtered | Filtered |
| CM Jumper | Installed | Installed | Installed | Installed |
| EtherNet/IP | Embedded | Embedded | Embedded | Embedded |
This comparison shows the progression from the lower-current Frame 6 model through the larger Frame 7 configurations.
The 20G1ANF263JN0NNNNN provides the highest current and power rating within this group.
| Model | Frame | Approx. Height | Approx. Width | Approx. Depth | Approx. Weight |
|---|---|---|---|---|---|
| 20G1ANF142JN0NNNNN | 6 | 665.5 mm | 308.0 mm | 346.4 mm | Approx. 38.6 kg |
| 20G1ANF171JN0NNNNN | 7 | 881.5 mm | 430.0 mm | 349.6 mm | Approx. 72.6–108.9 kg |
| 20G1ANF212JN0NNNNN | 7 | 881.5 mm | 430.0 mm | 349.6 mm | Approx. 72.6–108.9 kg |
| 20G1ANF263JN0NNNNN | 7 | 881.5 mm | 430.0 mm | 349.6 mm | Approx. 72.6–108.9 kg |
| 20G1AGF263JN0NNNNN | 7 | Configuration dependent | Configuration dependent | Configuration dependent | Configuration dependent |
The Frame 7 open-type dimensions are approximately 881.5 × 430.0 × 349.6 mm.
The Frame 7 weight can vary from approximately 72.6 kg to 108.9 kg, depending on configuration.
The following five models are useful related selections within the same Allen-Bradley PowerFlex product family.
| Model | Series | Voltage | Current | Normal Duty | Heavy Duty | Frame | Approx. Dimensions | Approx. Weight |
|---|---|---|---|---|---|---|---|---|
| 20G1ANF212JA0NNNNN | PowerFlex 755 | 690 VAC | 212 A | 200 kW | 160 kW | 7 | 881.5 × 430.0 × 349.6 mm | 72.6–108.9 kg |
| 20G1ANF263JA0NNNNN | PowerFlex 755 | 690 VAC | 263 A | 250 kW | 200 kW | 7 | 881.5 × 430.0 × 349.6 mm | 72.6–108.9 kg |
| 20G1ANF171JA0NNNNN | PowerFlex 755 | 690 VAC | 171 A | 160 kW | 132 kW | 7 | 881.5 × 430.0 × 349.6 mm | 72.6–108.9 kg |
| 20G1ANF142JA0NNNNN | PowerFlex 755 | 690 VAC | 142 A | 132 kW | 110 kW | 6 | 665.5 × 308.0 × 346.4 mm | Approx. 38.6 kg |
| 20G1AGF263JN0NNNNN | PowerFlex 755 | 690 VAC | 263 A | 250 kW | 200 kW | 7 | Configuration dependent | Configuration dependent |
These models are particularly relevant when comparing current capacity, dynamic braking configuration, frame size, and enclosure requirements.
| Requirement | Recommended Configuration |
|---|---|
| Internal dynamic braking transistor required | JA |
| Internal dynamic braking transistor not required | JN |
| Same 690 V / 263 A power rating needed | JA or JN |
| 250 kW Normal Duty | JA or JN |
| 200 kW Heavy Duty | JA or JN |
| Embedded EtherNet/IP | JA or JN |
| Filtered configuration | JA or JN |
| CM jumper installed | JA or JN |
| High-power Frame 7 | JA or JN |
The main selection point between the two configurations is the internal dynamic braking arrangement.
For a machine with substantial regenerative energy, the braking requirements should be calculated before choosing the JN configuration.
For a machine without significant regenerative requirements, the JN configuration can be a suitable high-power solution.
| Industry / Area | Typical Equipment |
|---|---|
| Water Treatment | Large pumps, circulation systems |
| Mining | Conveyors, material-handling equipment |
| Cement | Fans, conveyors, process machinery |
| Steel | Large rotating equipment and process machinery |
| Chemical Processing | Pumps, mixers, agitators |
| Power Generation | Fans, pumps, auxiliary equipment |
| Manufacturing | Production machinery |
| HVAC / Industrial Ventilation | Large fans and blowers |
| Material Handling | Conveyors and transfer systems |
| General Process Industry | Large pumps, fans, blowers and rotating machinery |
Variable-speed control can allow pump output to follow actual process requirements.
This can reduce the need for mechanical throttling in suitable systems and provide more flexible process control.
Fan and blower speed can be adjusted according to ventilation or process demand.
This can provide improved process control and may reduce unnecessary energy consumption in appropriate variable-torque applications.
The drive can provide controlled acceleration and deceleration, helping the conveyor system reach operating speed in a controlled manner.
Network communication also allows conveyor status and drive information to be incorporated into the main control system.
The drive can provide adjustable motor speed and centralized monitoring, which is useful for machines where process conditions change during operation.
The 20G1ANF263JN0NNNNN is well suited to automated production environments.
With embedded EtherNet/IP, the drive can become part of a centralized control architecture.
A typical automation structure may include:
This arrangement allows motor operation and process information to be handled within the same automation architecture.
The 20G1ANF263JN0NNNNN offers several features that are particularly useful for large motors:
This combination allows the drive to be used across a wide range of large industrial applications.
Before selecting the 20G1ANF263JN0NNNNN, the following points should be checked:
| Selection Item | Requirement |
|---|---|
| Model | 20G1ANF263JN0NNNNN |
| Motor Voltage | Compatible with 690 V class system |
| Motor Phase | Three Phase |
| Motor Current | Must remain within drive rating |
| Motor Power | Up to approximately 250 kW ND / 200 kW HD depending on duty |
| Duty Type | Normal Duty or Heavy Duty |
| Dynamic Braking | Not internally included |
| Regeneration | Evaluate separately |
| Cooling | Forced Air |
| Cabinet | Suitable for Frame 7 installation |
| Communication | Embedded EtherNet/IP |
| Filtering | Filtered |
| CM Jumper | Installed |
| Physical Space | Approx. 881.5 × 430.0 × 349.6 mm drive body |
| Weight Capacity | Cabinet should support approximately 72.6–108.9 kg |
| Maintenance Access | Required |
| Cable Routing | Adequate power/control separation |
| Grounding | Proper grounding arrangement required |
| Specification | Details |
|---|---|
| Model | 20G1ANF263JN0NNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Product Type | AC Variable Frequency Drive |
| Input Voltage | 690 VAC |
| Phase | 3 Phase |
| Output Current | 263 A |
| Normal Duty | 250 kW |
| Heavy Duty | 200 kW |
| Frame | 7 |
| Cooling | Forced Air |
| Input | AC Input with Precharge |
| DC Terminals | None |
| Dynamic Braking | None |
| Filtering | Filtered |
| CM Jumper | Installed |
| Communication | Embedded EtherNet/IP |
| HIM | Blank / No HIM |
| Enclosure | NEMA/UL Open Type |
| Protection | IP20/IP00 |
| Height | Approx. 881.5 mm |
| Width | Approx. 430.0 mm |
| Depth | Approx. 349.6 mm |
| Weight | Approx. 72.6–108.9 kg |
| Mounting | Cabinet / Panel |
| Typical Applications | Pumps, fans, blowers, conveyors, mixers, process machinery |
The Allen-Bradley 20G1ANF263JN0NNNNN is a high-power PowerFlex 755 AC variable frequency drive designed for large industrial motor-control systems.
With a 690 VAC three-phase rating, 263 A output current, 250 kW Normal Duty capability, and 200 kW Heavy Duty capability, the drive is designed for large motors and demanding industrial equipment.
Its Frame 7 construction provides the mechanical and thermal platform required for this high-power class.
The drive uses forced-air cooling and an open-type construction intended for integration into a suitable electrical cabinet.
The embedded EtherNet/IP interface makes the drive suitable for industrial automation systems where motor commands, operating status, alarms, and diagnostic information need to be exchanged with a controller or plant network.
The JN configuration distinguishes this model from the corresponding JA version primarily through its dynamic-braking configuration. The 20G1ANF263JN0NNNNN does not include an internal dynamic braking transistor, while maintaining the same general 690 V, 263 A, 250 kW Normal Duty, and 200 kW Heavy Duty platform.
This configuration can be appropriate for large pumps, fans, blowers, conveyors, process machines, mixers, agitators, and other industrial equipment where internal dynamic braking is not required.
For applications with substantial regenerative energy or frequent rapid deceleration, the braking requirements should be evaluated separately before final selection.
The physical size of approximately 881.5 × 430.0 × 349.6 mm and weight range of approximately 72.6–108.9 kg should be taken into account during cabinet design, transportation, lifting, and installation planning.
Overall, the 20G1ANF263JN0NNNNN combines high-voltage motor control, high output-current capacity, advanced automation communication, forced-air cooling, and flexible cabinet integration in a Frame 7 PowerFlex 755 configuration.
It is particularly well suited to large industrial motor applications where reliable variable-speed operation and integration with an automated control system are important, while an internal dynamic braking transistor is not required.