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Allen-Bradley 20F1ANF034JN0NNNNN — Detailed Product Specifications, Introduction, Applications, Advantages and Related Models

1. Product Overview

The Allen-Bradley 20F1ANF034JN0NNNNN is a PowerFlex 753 air-cooled AC drive designed for three-phase industrial motor-control applications.

This particular configuration is rated for a 690 VAC, three-phase input, with a nominal output current of 34 A. Its power rating is 30 kW under Normal Duty and 22 kW under Heavy Duty. It uses a Frame 6 mechanical configuration, forced-air cooling and an open-type enclosure.

One important characteristic of this exact catalog number is that it has no internal dynamic-braking transistor. This differentiates it from the closely related 20F1ANF034JA0NNNNN, which has an internal dynamic-braking transistor.

The JN0 configuration also specifies EMC filtering with the CM jumper installed and a blank/no-HIM configuration. The drive therefore fits well into automated systems where the main operating interface is provided by a PLC, HMI, communication network or external control station rather than a local keypad.

The PowerFlex 753 platform is intended for general-purpose industrial motor control and can be used across applications such as pumps, fans, blowers, conveyors, mixers, feeders, process machinery and material-handling equipment.

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2. Brand and Series

The PowerFlex 753 series is positioned as a flexible industrial AC-drive platform for general-purpose motor-control applications.

Its built-in I/O, configurable control functions and available expansion options make it suitable for machines that need more functionality than a basic standalone variable-frequency drive.

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3. Main Technical Parameters

The dimensions and weight should be treated as planning values for cabinet layout. Final mechanical drawings should be checked against the exact hardware configuration before fabrication.

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4. Product Introduction

The 20F1ANF034JN0NNNNN is a high-voltage industrial variable-frequency drive intended to control three-phase AC motors.

Its basic purpose is to control motor speed, acceleration, deceleration and operating behavior rather than simply connecting the motor directly to a fixed-frequency power supply.

By varying the electrical output supplied to the motor, the drive allows the machine to operate at different speeds according to process requirements.

This can be useful when a machine does not need to operate continuously at full speed.

For example, a pump may need high speed only when fluid demand is high.

A ventilation fan may need to slow down when airflow demand is reduced.

A conveyor may require controlled acceleration to avoid mechanical shock.

A mixer may need different speeds during different stages of a production process.

The drive provides the electrical control platform required for these types of applications.

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5. 690 VAC Three-Phase Design

The 690 VAC rating is one of the defining characteristics of this model.

The drive is designed for 690 VAC three-phase industrial power systems.

A higher-voltage motor system can be useful for larger industrial machinery because the current associated with a given power level can generally be lower than it would be at a lower voltage.

This can influence the design of:

• Motor feeders
• Power cables
• Electrical distribution
• Protective devices
• Motor control cabinets
• Drive systems
• Industrial power networks

The motor connected to the drive must have an appropriate voltage rating for the actual application.

The drive should not be selected only from the motor’s kW value. Motor voltage and nameplate current are equally important.

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6. 34 A Output Current

The drive has a nominal output current rating of 34 A.

This places the unit in the substantial-power section of the 690 VAC PowerFlex 753 range.

The 34 A rating is particularly useful when a 23 A or 30 A drive is too small, while a 46 A unit would provide more capacity than the application actually requires.

When selecting a drive, the motor’s nameplate current should be compared with the applicable Normal Duty or Heavy Duty current rating.

Motor horsepower or kW is useful for initial selection, but the actual motor current and load characteristics should determine the final choice.

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7. Normal Duty Rating — 30 kW

The Normal Duty rating is 30 kW.

This rating is especially relevant to variable-torque applications.

Typical examples include:

• Centrifugal pumps
• Industrial fans
• Blowers
• Ventilation equipment
• Cooling systems
• Air-handling equipment
• Fluid circulation systems
• Water-transfer systems

Variable-torque equipment often has lower torque requirements at reduced speeds.

This makes variable-frequency control particularly useful because the drive can adjust the motor speed according to the actual process demand.

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8. Heavy Duty Rating — 22 kW

The Heavy Duty rating is 22 kW.

This rating is more appropriate for demanding constant-torque applications.

Examples include:

• Conveyors
• Mixers
• Feeders
• Material-handling machinery
• Production machinery
• Mechanical processing equipment

Heavy Duty applications generally require more overload capability.

The motor should therefore be checked against the Heavy Duty current rating rather than simply using the 30 kW Normal Duty figure.

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9. Normal Duty and Heavy Duty Current Capability

The overload ratings are an important part of understanding this drive.

The two duty ratings serve different application types.

Normal Duty provides the higher power rating.

Heavy Duty provides stronger short-term overload capability for applications where starting, acceleration and mechanical loading are more demanding.

This distinction is important when selecting the drive for conveyors, mixers and other constant-torque machinery.

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10. No Internal Dynamic-Braking Transistor

The catalog number 20F1ANF034JN0NNNNN specifies:

Dynamic Braking: None

This means there is no internal dynamic-braking transistor in this particular configuration.

This is an important difference from the closely related 20F1ANF034JA0NNNNN.

The two models can have the same:

• 690 VAC rating
• 34 A current rating
• 30 kW Normal Duty rating
• 22 kW Heavy Duty rating
• Frame 6 construction

But the braking configuration is different.

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11. What the No-DB Configuration Means

The absence of an internal dynamic-braking transistor does not mean that the drive cannot be used in every application involving deceleration.

It means that this particular drive configuration does not provide the internal braking-transistor hardware.

For applications with relatively slow deceleration or low regenerative energy, this may not be a disadvantage at all.

For example, many pump and fan applications do not require aggressive braking.

In such applications, a no-dynamic-braking configuration can be a practical and economical choice.

For high-inertia machinery requiring frequent rapid stops, however, the braking requirements should be evaluated carefully before selecting this model.

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12. When Dynamic Braking May Not Be Necessary

The no-DB configuration can be suitable for applications such as:

• Centrifugal pumps
• Process pumps
• Fans
• Blowers
• Ventilation systems
• Cooling systems
• Fluid circulation
• Equipment with long deceleration times

If the machine naturally slows down over a relatively long period, the regenerative energy generated during deceleration may be manageable without a dedicated dynamic-braking arrangement.

The actual application should always be evaluated based on motor inertia, load inertia, operating speed, stopping time and cycle frequency.

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13. Applications Requiring Greater Braking Attention

Greater attention should be given to braking when the application involves:

• Large rotating masses
• Rapid deceleration
• Frequent stopping
• High-speed operation
• Heavy conveyors
• Hoisting equipment
• Centrifuges
• Large mechanical loads
• Repetitive start-stop cycles

In these cases, the 20F1ANF034JN0NNNNN should be compared with a suitable configuration that includes the required braking hardware.

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14. EMC Filter

The drive is configured with EMC filtering.

Electromagnetic compatibility is an important consideration in modern industrial control cabinets.

Power electronic switching can generate electrical noise that may affect nearby equipment if the overall installation is not properly designed.

Potentially sensitive equipment can include:

• PLC systems
• Analog sensors
• Communication equipment
• Measurement instruments
• Encoders
• HMI systems
• Industrial computers
• Control circuits

The EMC-filtered configuration can therefore be advantageous in electrically complex industrial environments.

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15. CM Jumper Installed

The model specifies that the CM jumper is installed.

The common-mode configuration affects the relationship between the drive’s internal electrical circuits and ground.

This can influence common-mode current and EMC behavior.

For replacement applications, the CM-jumper configuration should be matched carefully.

A replacement drive with the same voltage and current rating but a different CM-jumper configuration should not automatically be considered electrically identical.

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16. AC Input With Precharge

The drive uses an:

AC Input with Precharge, No DC Terminals

The precharge arrangement controls the initial charging of the drive’s DC-bus capacitors.

This helps manage the initial charging current when the drive is energized.

The configuration does not provide DC terminals for external DC-bus connections.

This should be considered when designing systems involving multiple drives or specialized DC-bus architectures.

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17. Frame 6

The drive uses Frame 6 construction.

Frame size affects the physical and electrical architecture of the drive.

It influences:

• Overall dimensions
• Mounting arrangement
• Cooling system
• Power-terminal arrangement
• Cabinet space
• Cable routing
• Service access
• Heat dissipation

Frame 6 is appropriate for the relatively high power level of this 34 A, 690 VAC drive.

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18. Dimensions and Weight

The approximately 38.6 kg weight should be considered when designing the cabinet mounting structure.

The actual installation space should be larger than the drive’s physical envelope.

Space should also be reserved for:

• Power wiring
• Motor wiring
• Control wiring
• Grounding
• Air circulation
• Maintenance
• Cable bending radius
• Adjacent equipment

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19. Open-Type Enclosure

The drive uses an IP20/IP00 open-type configuration.

It is therefore intended to be installed inside an appropriate electrical enclosure.

The cabinet should provide suitable protection against the surrounding environment.

The enclosure should prevent direct exposure to:

• Water
• Excessive dust
• Oil
• Metal particles
• Chemical contamination
• Accidental contact

The cabinet must also provide appropriate thermal management.

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20. Forced-Air Cooling

The drive uses forced-air cooling.

Power semiconductors and other electrical components produce heat during operation.

The cooling system removes this heat from the drive.

Proper airflow is therefore essential.

Important factors include:

• Ambient temperature
• Drive loading
• Cabinet temperature
• Fan performance
• Cabinet ventilation
• Heat-sink cleanliness
• Airflow path
• Installation environment

If the drive is installed in a dusty industrial environment, the cooling path should be inspected periodically.

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21. Embedded I/O

The PowerFlex 753 platform includes embedded I/O.

This allows the drive to exchange control and status signals directly with the machine control system.

Depending on the application, the drive can be used for functions such as:

• Start
• Stop
• Enable
• Direction
• Speed reference
• Fault reset
• Status monitoring
• Digital interlocking
• Analog control
• Process feedback

Embedded I/O can simplify the overall electrical design.

It can also reduce the number of additional interface components required for basic drive control.

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22. PID Control

PID control is particularly useful for process applications.

PID stands for:

Proportional + Integral + Derivative

The drive can use feedback from a process sensor to adjust motor speed automatically.

For example, in a pressure-control application:

Pressure Sensor → Feedback → PID Control → Drive → Pump Motor → Pressure Correction

The same principle can be used for:

• Flow
• Pressure
• Airflow
• Temperature-related processes
• Fluid circulation
• Industrial ventilation

PID capability makes the drive more than a simple speed controller.

It can become part of the process-control strategy.

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23. Blank / No HIM Configuration

This model uses a Blank / No HIM configuration.

HIM means Human Interface Module.

The absence of a local keypad is useful in automated systems where operators interact with the equipment through another interface.

Possible control methods include:

• PLC
• HMI
• Industrial communication network
• Remote operator station
• External control panel
• Supervisory control system

This configuration can be especially suitable for machines where local manual adjustment of the drive is not required.

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24. Pump Applications

The 20F1ANF034JN0NNNNN is well suited to many pump applications.

Typical applications include:

• Industrial water pumps
• Cooling-water pumps
• Process pumps
• Circulation pumps
• Water-treatment systems
• Fluid-transfer systems
• Pressure-control systems
• Industrial pumping stations

The 30 kW Normal Duty rating is particularly relevant for variable-torque centrifugal pumps.

The drive can vary motor speed according to process demand.

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25. Fan Applications

Industrial fans are another suitable application.

Examples include:

• Factory ventilation
• Exhaust fans
• Cooling fans
• Air-handling equipment
• Process ventilation
• Industrial blowers
• Dust-extraction equipment

Many fan applications do not require aggressive braking.

For this reason, the absence of an internal dynamic-braking transistor may not be a major concern in typical variable-torque fan systems.

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26. Blower Applications

Blowers can require considerable motor power, particularly in industrial processes.

Potential applications include:

• Air supply
• Industrial ventilation
• Process-air systems
• Exhaust systems
• Combustion air
• Dust collection
• Material-processing systems

The 30 kW Normal Duty rating provides useful capacity for many medium-to-large blower systems.

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27. Conveyor Applications

The drive can be used for conveyors, but the duty and braking requirements should be checked carefully.

Conveyors can benefit from variable-frequency control because the drive can provide:

• Controlled acceleration
• Adjustable speed
• Controlled deceleration
• Reduced mechanical shock
• Production synchronization

For conveyors with high inertia or frequent rapid stops, the absence of an internal dynamic-braking transistor becomes an important selection consideration.

If aggressive braking is required, a braking-capable configuration may be preferable.

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28. Mixer Applications

Mixers can present substantial torque requirements.

The actual load can vary significantly depending on:

• Material viscosity
• Material density
• Batch size
• Mixing speed
• Product characteristics
• Production stage

The 22 kW Heavy Duty rating makes this model suitable for many medium-sized constant-torque mixer applications.

The motor’s actual current should be checked carefully before final selection.

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29. Feeder Applications

Industrial feeders often require controlled speed.

Potential applications include:

• Material feeders
• Dosing equipment
• Production feeders
• Bulk-material systems
• Process feeders
• Automated feeding systems

The drive can adjust the motor speed to match the production process.

This can help coordinate material flow with other machinery.

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30. Material Handling

The drive can also be used for material-handling systems.

Examples include:

• Belt conveyors
• Roller conveyors
• Transfer systems
• Production-line handling
• Bulk-material equipment
• Industrial transport systems

The drive’s control functions can provide smooth acceleration and adjustable speed.

However, braking requirements should be reviewed carefully for heavy moving loads.

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31. Process Machinery

The drive is suitable for a broad range of process machinery.

Possible applications include:

• Pumps
• Fans
• Blowers
• Mixers
• Feeders
• Conveyors
• Process equipment
• Cooling systems
• Material-handling machinery

Its embedded I/O and PID capability make it useful in systems where the motor drive is part of a larger automated process.

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32. Main Product Advantages

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33. Advantage — Simple Braking Configuration

For applications that do not need dynamic braking, the absence of an internal braking transistor can be a practical advantage.

There is no need to pay for braking hardware that the machine does not actually require.

This can make the configuration appropriate for:

• Pumps
• Fans
• Blowers
• Ventilation systems
• Long-deceleration applications
• Equipment with low regenerative energy

The key is to select the configuration according to the actual machine rather than assuming that dynamic braking is always required.

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34. Advantage — High-Voltage Motor Control

The 690 VAC design makes this drive appropriate for industrial installations using high-voltage motors.

It is particularly useful in larger process systems where 690 VAC motor distribution is already part of the plant electrical architecture.

This can simplify standardization when multiple motors operate within the same voltage class.

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35. Advantage — 30 kW Normal Duty Capacity

The 30 kW Normal Duty rating provides considerable capacity for variable-torque equipment.

This makes the drive attractive for:

• Large centrifugal pumps
• Industrial fans
• Blowers
• Ventilation systems
• Cooling systems
• Fluid-transfer equipment

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36. Advantage — 22 kW Heavy Duty Capacity

The 22 kW Heavy Duty rating gives the drive useful constant-torque capability.

It can be appropriate for:

• Conveyors
• Feeders
• Mixers
• Material-handling equipment
• Production machinery

The Heavy Duty current rating should be used for final motor selection in these applications.

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37. Advantage — EMC-Filtered Configuration

The EMC-filtered configuration can be beneficial in installations containing multiple electronic devices.

A typical industrial cabinet may contain:

• PLCs
• HMIs
• AC drives
• Communication equipment
• Analog instruments
• Sensors
• Safety equipment

Electrical noise control therefore becomes an important part of cabinet design.

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38. Advantage — Embedded I/O

Embedded I/O can reduce system complexity.

It can reduce the need for additional interface equipment for basic drive commands.

This can potentially reduce:

• Wiring
• Panel space
• Component count
• Installation time
• Troubleshooting complexity

For machine builders and system designers, this can be a meaningful advantage.

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39. Advantage — PID Process Control

The built-in PID capability is valuable in process applications.

A pressure-control system, for example, can continuously compare actual pressure with the target pressure.

The drive can then increase or decrease motor speed.

This can provide:

• More stable process control
• Automatic speed adjustment
• Better response to changing demand
• Reduced operator intervention
• More flexible operation

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40. Five Recommended Same-Series or Related Models

The following models are closely related to the subject drive and are useful when comparing different current ratings or configurations.

These models provide a useful progression around the 34 A unit.

If the motor current is lower, the 23 A or 30 A versions may be sufficient.

If more capacity is required, the 46 A or 50 A versions may be considered.

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41. Recommended Model — 20F1ANF023JN0NNNNN

The 23 A version is a useful smaller alternative.

This model is suitable when the motor’s current requirement is comfortably below the 34 A capacity of the subject drive.

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42. Recommended Model — 20F1ANF030JN0NNNNN

This model is one of the closest lower-capacity alternatives.

This is a logical alternative when the 34 A rating is not required.

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43. Recommended Model — 20F1ANF034JA0NNNNN

This is the closest alternative with the same current and power rating but a different braking configuration.

The primary reason to choose this version over the subject model would be an application requiring integrated dynamic-braking capability.

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44. Recommended Model — 20F1ANF046JN0NNNNN

The 46 A configuration provides more capacity.

This model is appropriate when the motor current is greater than the 34 A capability.

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45. Recommended Model — 20F1ANF050JN0NNNNN

The 50 A configuration provides another step up in capacity.

This is useful when additional motor-current capacity is required while maintaining the same general 690 VAC PowerFlex 753 architecture.

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46. Five Representative Same-Brand Models

The following five models provide a broader comparison within the Allen-Bradley PowerFlex range.

They are representative alternatives rather than direct replacements for the subject drive.

The first three are particularly close to the subject model because they remain within the PowerFlex 753 family.

The PowerFlex 755 represents a larger-capacity and more advanced drive platform.

The PowerFlex 525 represents a smaller, more compact drive family intended for lower-power machinery.

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47. Same-Series 690 VAC Power Progression

The 34 A / 30 kW model sits in an important part of the 690 VAC PowerFlex 753 range.

It provides a noticeable increase over the 30 A version without moving to the 46 A configuration.

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48. Application Suitability

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49. Why This Model Is Particularly Good for Pumps

Pumps are among the most natural applications for this drive.

A centrifugal pump often does not need to operate at maximum speed all the time.

The drive can adjust motor speed based on the required process output.

For example, a pressure-control system can use PID feedback.

When pressure is below the target, the drive can increase pump speed.

When pressure rises above the target, the drive can reduce pump speed.

This creates a flexible control loop.

For such applications, the absence of an internal dynamic-braking transistor is usually much less important than it would be for a high-inertia machine with rapid stopping requirements.

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50. Why This Model Is Particularly Good for Fans

Fans and blowers are also strong applications.

The 30 kW Normal Duty rating gives the drive enough capacity for many substantial industrial ventilation systems.

Fan applications frequently involve variable operating requirements.

For example:

• Daytime operation may require high airflow.
• Night operation may require lower airflow.
• Production areas may require different ventilation levels.
• Cooling requirements may change according to machine load.

The drive can respond to these changing conditions by adjusting motor speed.

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51. Conveyor Application Considerations

The drive can operate conveyors successfully, but braking needs to be evaluated carefully.

If the conveyor is:

• Short
• Low inertia
• Slowly decelerated
• Infrequently stopped

then the no-DB configuration may be completely suitable.

If the conveyor is:

• Long
• Heavy
• High speed
• Frequently stopped
• Rapidly decelerated

then the braking system requires much more attention.

In that situation, the closely related 20F1ANF034JA0NNNNN may be worth considering.

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52. Mixer Application Considerations

For mixers, the Heavy Duty rating is more relevant than the 30 kW Normal Duty rating.

The motor should be checked against:

• 22 kW Heavy Duty power
• 30 A Heavy Duty continuous current
• 45 A Heavy Duty 60-second current
• 54 A Heavy Duty 3-second current

The actual starting torque and production cycle should also be considered.

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53. Cabinet Installation Requirements

The drive should be mounted in a suitable electrical cabinet.

The cabinet should provide adequate:

• Structural support
• Electrical protection
• Ventilation
• Heat dissipation
• Grounding
• Cable access
• Service clearance

The approximately 665.5 mm height, 308 mm width and 346.4 mm depth should be incorporated into the cabinet layout.

The drive’s weight of approximately 38.6 kg should also be considered when selecting the mounting structure.

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54. Thermal Management

Thermal management is particularly important for a 30 kW drive.

The cabinet designer should consider the total heat generated by all equipment inside the enclosure.

Relevant factors include:

• Drive load
• Ambient temperature
• Cabinet dimensions
• Cooling fans
• Air filters
• Heat exchangers
• Adjacent drives
• Control equipment
• Installation altitude

The forced-air cooling system must have an unobstructed airflow path.

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55. Motor Cable Considerations

The motor cable is an important part of the overall drive installation.

Attention should be given to:

• Cable length
• Insulation rating
• Grounding
• Shielding
• Cable routing
• Separation from control wiring
• Separation from communication cables
• Motor terminal connections

Long motor cables can increase electrical stress and common-mode effects.

The EMC-filtered configuration should therefore be considered together with the complete motor-cable installation.

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56. Grounding and Common-Mode Considerations

Proper grounding is essential for reliable drive operation.

The system should provide appropriate grounding for:

• Drive
• Motor
• Cabinet
• Motor cable
• Control equipment
• Associated equipment

The CM-jumper configuration should also be maintained according to the intended system design.

Changing this configuration during replacement without considering the overall electrical installation can affect EMC behavior.

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57. Maintenance

Because this configuration does not have an internal dynamic-braking transistor, there is no internal braking transistor to maintain.

However, if an external braking arrangement is used in the overall system, that equipment still needs appropriate inspection.

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58. Product Selection Checklist

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59. Important Difference Between JN and JA Configurations

One of the most useful comparisons is between the subject model and the corresponding JA configuration.

The two models have very similar primary motor ratings.

The main functional distinction is the braking configuration.

Therefore, if a machine has no significant regenerative-energy requirement, the JN configuration can be a sensible choice.

If rapid deceleration is important, the JA configuration deserves consideration.

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60. Important Difference Between JN and AN Configurations

This is an important replacement consideration.

The difference is not simply cosmetic.

The common-mode configuration can affect the electrical behavior of the installation.

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61. Complete Parameter Summary

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62. Overall Product Advantages

The 20F1ANF034JN0NNNNN offers a useful combination of high-voltage operation, substantial current capacity and flexible industrial control functions.

Its 690 VAC three-phase input makes it suitable for high-voltage industrial motor systems.

Its 34 A output rating provides a substantial motor-control range.

The 30 kW Normal Duty rating makes it particularly attractive for pumps, fans, blowers and other variable-torque machinery.

The 22 kW Heavy Duty rating allows it to be used with many constant-torque applications, provided the motor current and overload requirements remain within the specified limits.

The EMC-filtered configuration with CM jumper installed is useful where electrical-noise management is an important part of the system design.

The embedded I/O reduces the need for separate interface components for many basic control functions.

The PID capability makes the drive useful for pressure, flow and other process-control applications.

The blank/no-HIM configuration is well suited to automated systems where the main operator interface is located elsewhere.

The absence of an internal dynamic-braking transistor is not necessarily a disadvantage.

For applications such as pumps, fans and blowers where rapid deceleration is not required, it can be a perfectly practical configuration.

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63. Final Product Evaluation

The Allen-Bradley 20F1ANF034JN0NNNNN is a PowerFlex 753, 690 VAC, three-phase, 34 A air-cooled AC drive designed for demanding industrial motor-control applications.

Its key ratings are:

34 A output current

30 kW Normal Duty

22 kW Heavy Duty

690 VAC three-phase

Frame 6

The exact configuration is also characterized by:

EMC filtering

CM jumper installed

No internal dynamic-braking transistor

Embedded I/O

PID capability

Blank/no HIM

Forced-air cooling

Open-type IP20/IP00 construction

The approximately 665.5 × 308 × 346.4 mm dimensions and approximately 38.6 kg weight should be considered during cabinet and mounting design.

The most important selection issue with this particular model is the absence of an internal dynamic-braking transistor.

For pumps, fans, blowers, ventilation systems and other applications where the motor can decelerate naturally or relatively slowly, this configuration can be very appropriate.

For high-inertia machinery, frequent rapid stops or applications with significant regenerative energy, the braking requirements should be evaluated before final selection.

When compared with the closely related 20F1ANF034JA0NNNNN, the main difference is the integrated braking capability.

The JA version includes an internal dynamic-braking transistor, while the JN version does not.

When compared with 20F1ANF034AN0NNNNN, the major configuration difference is the CM-jumper arrangement.

Therefore, for replacement projects, the complete catalog number should always be considered rather than selecting a replacement based only on voltage, current or kW.

Overall, the 20F1ANF034JN0NNNNN is a strong choice for 690 VAC industrial motor-control systems that require 34 A capacity, 30 kW Normal Duty performance, 22 kW Heavy Duty performance, embedded I/O, PID control and EMC-filtered operation, but do not require an internal dynamic-braking transistor.