Verified Product Configuration and Key Ratings

The main ratings for the 20BC170A0ANNANA0 configuration in the same series are a useful reference when comparing other PowerFlex 700 drives. The target model, 20BC170A0ANNANA0, is a 170 A drive rated at 90 kW normal duty and 75 kW heavy duty, with a 400 V-class three-phase input, IP20 / NEMA Type 1 protection, conformal coating, no operator HIM, no braking IGBT, no drive-mounted braking resistor, no communication module, standard control with 24 V I/O and no feedback.

This is a different current and power class from the 140 A models described in the previous comparison. Always match the complete catalog number and the motor’s rated current before choosing a replacement.

1. Brand and Product Series

2. Detailed Technical Specifications

The following table summarizes the principal electrical, control, environmental and mechanical characteristics of the 20BC170A0ANNANA0. The mechanical dimensions correspond to the standard Frame 6 IP20 configuration; confirm the physical drawing for the exact unit before finalizing a cabinet or replacement installation.

Electrical Ratings and Motor Compatibility

The 170 A output-current rating is one of the most important specifications when selecting this drive. The motor’s rated current must be checked against the drive’s capacity, along with the supply voltage, motor power, load torque and overload requirements.

The 90 kW normal-duty rating is intended for applications whose load profile falls within the normal-duty operating limits. The 75 kW heavy-duty rating is intended for applications that require the corresponding heavy-duty overload capability. These figures should not be treated as interchangeable ratings for every machine.

For a replacement project, the motor nameplate and the existing drive settings should be reviewed before selecting a replacement. A motor’s rated current and starting requirements can be more important than its nominal kilowatt rating alone.

Control and Communication Configuration

The 20BC170A0ANNANA0 is specified with standard control and 24 V I/O. It does not include a communication module or feedback option in this configuration.

This arrangement may be suitable for a machine that uses conventional hardwired control signals. If the machine relies on a fieldbus network, encoder feedback or another specialized control function, the required hardware must be checked separately.

The absence of an HIM means that the drive is supplied without the full operator display and keypad module. Confirm the commissioning and local monitoring arrangements before installing the unit.

Braking Configuration

This model does not include an internal braking IGBT or a drive-mounted braking resistor. For applications that require rapid deceleration, frequent stopping or control of high-inertia loads, the braking requirements must be calculated separately.

The correct braking solution depends on the load inertia, stopping time, operating cycle and energy returned during deceleration. A braking resistor should not be selected based solely on the drive’s power rating.

Mechanical Dimensions and Weight

The drive uses a Frame 6 enclosure. The approximate standard IP20 dimensions are 850 mm high, 403.9 mm wide and 275.5 mm deep.

The drive-only weight is approximately 71.44 kg. The packaged weight is approximately 100.9 kg, which is a different measurement and should be used when planning transport or shipment.

For installation, the cabinet should provide suitable support, airflow, electrical clearances and cable access. Use the applicable mechanical drawing for the actual mounting points and required service space.

3. Product Introduction

The Allen-Bradley 20BC170A0ANNANA0 is a high-current variable-frequency AC drive from the PowerFlex 700 series. It is designed to control the speed and operation of three-phase industrial motors where the application requires adjustable speed, controlled acceleration and deceleration, and reliable operation under varying load conditions.

With a 170 A output-current rating, it belongs to the larger-drive range of the PowerFlex 700 family. Its 90 kW normal-duty and 75 kW heavy-duty ratings make it relevant to industrial machinery and process equipment with substantial motor-power requirements.

The drive controls motor speed by adjusting the electrical frequency and voltage supplied to the motor. This enables a machine to operate at a speed appropriate to the process rather than running continuously at a fixed speed.

For suitable applications, adjustable-speed control can improve process flexibility and reduce mechanical stress during startup. In some variable-torque applications, it may also reduce energy consumption when the motor does not need to operate at full speed.

The 20BC170A0ANNANA0 is a specific configuration rather than a generic 90 kW drive. Its standard control arrangement, 24 V I/O, blank operator-interface plate, absence of a communication module and lack of feedback are important when evaluating it for an existing machine.

The PowerFlex 700 family has been discontinued. For an existing installation, the unit may still be relevant as a maintenance or replacement component, but availability, repairability and long-term support should be considered before making a purchasing decision.

4. Product Applications

4.1 Industrial Pump Systems

Industrial pumps often need to adjust flow or pressure in response to changing process demand. A variable-frequency drive can control motor speed to help the pump operate at the required output.

Potential applications include circulation pumps, cooling-water systems, process-fluid transfer and general industrial water handling.

The benefits depend on the pump curve, required pressure range, motor characteristics and control method. Before commissioning, check the minimum operating speed, motor current, fluid conditions and any required pump-protection functions.

4.2 Industrial Fans and Ventilation Equipment

Industrial fans and ventilation systems frequently operate under changing airflow requirements. A variable-frequency drive can adjust fan speed to match the required ventilation level and provide controlled startup.

Potential applications include factory ventilation, process exhaust systems, cooling fans and industrial air-handling equipment.

The drive must be correctly sized for the fan motor and operating duty. Cabinet ventilation and heat dissipation also need to be considered during installation.

4.3 Conveyor and Material-Handling Systems

Conveyors often require controlled acceleration and deceleration to reduce sudden mechanical loading. This is particularly important where abrupt starts can cause belt slip, product movement or excessive stress on gearboxes and couplings.

The drive may be suitable for compatible belt conveyors, material-transfer systems and production-line handling equipment.

Before selecting the drive, evaluate the loaded-start torque, acceleration time, stopping distance, load inertia and any braking requirements.

4.4 Mixers and Agitators

Mixers and agitators may need different speeds at different stages of a production process. Adjustable motor speed can help operators control mixing intensity and adapt the equipment to changing process conditions.

The main sizing considerations are starting torque, load inertia, duty cycle and overload requirements. Heavy-duty applications should be assessed against the 75 kW heavy-duty rating and the corresponding current limits.

4.5 Industrial Processing Machinery

The drive can be considered for compatible process machinery, production equipment and other industrial systems powered by three-phase AC motors.

Its suitability depends on the motor rating, load characteristics, control method and operating environment. Machines requiring precise positioning or encoder-based closed-loop control need a separate compatibility assessment because this configuration does not specify a feedback option.

4.6 Factory Utilities and Auxiliary Equipment

Other possible uses include industrial utility systems, auxiliary machine drives and fixed motor-driven equipment where adjustable speed is beneficial.

The drive should be selected according to the actual motor current and load requirements, not simply the machine category. Protective devices, wiring, grounding and machine-safety functions must be designed as part of the complete installation.

5. Main Product Advantages

5.1 High Output-Current Capacity

The 170 A output-current rating makes this drive relevant to larger industrial motors where the current and overload requirements fall within its rated operating envelope.

The 90 kW normal-duty and 75 kW heavy-duty ratings provide useful starting points for selection. The correct rating must still be determined from the motor nameplate and the application’s actual load profile.

5.2 Adjustable Motor Speed

The drive enables the motor to operate at different speeds according to process demand. This can improve flexibility in applications where a fixed speed is not always appropriate.

In variable-torque applications such as many pumps and fans, reducing speed may also reduce energy use. Actual savings depend on the machine, the operating profile and the process-control strategy.

5.3 Controlled Acceleration and Deceleration

Programmable acceleration and deceleration ramps can help reduce sudden mechanical shocks during starting and stopping.

This may be beneficial for conveyors, pumps, fans and compatible processing equipment. Ramp settings must be matched to the machine’s inertia and required stopping time.

5.4 Conventional Industrial I/O

The standard control arrangement with 24 V I/O can be appropriate for machines that use conventional industrial control signals.

The available analog and digital I/O can support compatible commands and status signals, but the control wiring should be checked against the machine’s electrical drawings before installation.

5.5 Conformal-Coated Construction

The conformal coating provides an additional layer of protection for the drive’s electronic assemblies in suitable industrial environments.

It does not make the drive waterproof or remove the need for correct cabinet protection. Moisture, conductive dust, corrosive atmospheres and excessive temperature must still be controlled.

5.6 EMC Filter Configuration

The second-environment filter configuration is intended to support electromagnetic compatibility in the relevant industrial installation conditions.

Correct grounding, motor-cable routing, shielding and cabinet layout remain important. The final installation should follow the applicable electrical and EMC requirements.

5.7 Industrial Cabinet Installation

The IP20 / NEMA Type 1 enclosure is suitable for protected industrial installations. A correctly designed cabinet can provide environmental protection and integrate the drive with the machine’s protective devices and control equipment.

The cabinet must provide adequate support for the drive’s weight, airflow, electrical clearances and service access.

5.8 Familiar PowerFlex 700 Platform

For existing installations built around the PowerFlex 700 series, a compatible drive may simplify certain aspects of maintenance and replacement planning.

However, matching the series name is not sufficient to establish compatibility. Current rating, control configuration, feedback, communications, braking and mechanical dimensions must all be checked.

5.9 Useful Reference for Legacy-System Maintenance

The 20BC170A0ANNANA0 can be relevant when maintaining existing machinery designed around this specific drive configuration.

Since the family is discontinued, a maintenance plan should account for spare-unit availability, repair options and eventual migration to a supported drive family.

6. Five Related Models from the Same Series

The following models are useful comparison points within the PowerFlex 700 family. The 170 A models share the same broad current and power class, while the 140 A model is a lower-current alternative.

Dimensions and weights for the 170 A Frame 6 variants are listed using the standard frame reference where applicable. Confirm the exact drawing for the particular catalog suffix, especially if the unit has a different enclosure or accessory configuration.

Related Model Selection Notes

– 20BC170A0ANNANA0: The direct reference model for a standard-control installation requiring 170 A output current. Its lack of a communication module and feedback option should be considered when matching it to the control system.

– 20BC170A0ANNAND0: Relevant when comparing a vector-control configuration with a different I/O voltage arrangement. Verify the control interface and field wiring before replacing one version with the other.

– 20BC170A0ANNANN0: A related vector-control version with 24 V I/O. It may be worth evaluating when the application needs the corresponding control configuration.

– 20BC170A0AYNANA0: A related catalog configuration that should be assessed when braking or enclosure options differ from the target model. Confirm the exact hardware options before selecting it.

– 20BC140A0ANNANA0: A lower-current alternative for a suitably smaller motor or less demanding load. It should only be selected when the motor current and overload requirements remain within the lower drive rating.

7. Five Other Popular Models from the Same Brand

These models cover compact drives and other industrial drive families. They are comparison options for different motor sizes and control requirements, not direct replacements for a 170 A PowerFlex 700.

For compact drives, dimensions and weights depend on the precise voltage and frame configuration. For the larger drive families, the catalog number and enclosure option determine the final mechanical specifications.

7.1 PowerFlex 525 — 25B-D017N104

The PowerFlex 525 family is intended for compact industrial machine applications where adjustable motor speed and integration into a machine-control system are important.

Its current rating is much lower than that of the 20BC170A0ANNANA0. It is therefore more appropriate for smaller motors or auxiliary equipment than for direct replacement of the target drive.

7.2 PowerFlex 525 — 25B-D024N104

This model is another option for general-purpose motor control. It may suit pumps, fans, conveyors and other machinery when the motor’s voltage, current and overload requirements match the selected drive.

The exact voltage variant, output current, control functions, communication requirements, dimensions and weight should be verified before selection.

7.3 PowerFlex 40 — 22B-D017N104

The PowerFlex 40 family is associated with general-purpose adjustable-speed control for smaller industrial motors.

It can be useful for simpler machine applications, but it is not an equivalent substitute for a 90 kW normal-duty drive. Its suitability should be judged according to the motor and load requirements.

7.4 PowerFlex 753 — 20F11NC015JA0NNNNN

The PowerFlex 753 family is worth considering for industrial applications that need more extensive control and integration capabilities.

Before selecting the exact model, confirm its voltage class, output current, power rating, feedback options, communication interfaces and enclosure configuration. These details determine whether it can meet the machine’s requirements.

7.5 PowerFlex 755 — 20G11NC022JA0NNNNN

The PowerFlex 755 family is another option to evaluate for advanced industrial motor-control systems.

A replacement assessment should include the control method, communications, feedback requirements, braking, safety architecture, cabinet space and the work required to migrate the existing drive parameters and control wiring.

8. Installation and Maintenance Considerations

Electrical Sizing

Check the motor nameplate, full-load current, rated voltage, frequency and overload requirements. The drive must be suitable for the motor and the actual load profile.

Cabinet Design

Use the Frame 6 mechanical drawing to establish mounting positions, clearances, cable access and ventilation requirements. The cabinet structure must safely support the drive’s approximately 71.44 kg drive-only weight.

Control Wiring

Confirm that the machine’s control signals match the standard 24 V I/O arrangement. Since this model has no communication module and no feedback option, additional hardware may be required if the system uses a network interface or encoder feedback.

Braking Requirements

Review the load inertia and stopping requirements before commissioning. If dynamic braking is required, confirm the complete braking arrangement, including the appropriate hardware and resistor sizing.

Environmental Conditions

Install the drive in a protected environment that meets its IP20 / NEMA Type 1 requirements. Keep the cabinet free from excessive dust and moisture, and ensure that the operating temperature and ventilation meet the installation requirements.

Preventive Maintenance

Inspect cabinet airflow, electrical connections, signs of contamination and general operating conditions in accordance with the applicable maintenance instructions. The equipment must be isolated and made safe before servicing.

Lifecycle Planning

The PowerFlex 700 family is discontinued. Consider the availability of spare units, repair options and long-term replacement plans. A transition to a newer drive family may require changes to the cabinet, control wiring, network interface and commissioning procedures.

9. Overall Product Assessment

The Allen-Bradley 20BC170A0ANNANA0 is a 400 V-class, three-phase PowerFlex 700 AC drive rated at 170 A, 90 kW normal duty and 75 kW heavy duty. Its standard control arrangement with 24 V I/O makes it relevant to compatible industrial motor-control applications.

Its principal advantages include adjustable motor speed, controlled acceleration and deceleration, high output-current capacity and a conformal-coated construction. The IP20 / NEMA Type 1 enclosure is suitable for protected industrial cabinet installations.

The main limitations are equally important: the model has no operator HIM, no communication module, no feedback option, no internal braking IGBT and no drive-mounted braking resistor. Applications requiring these functions must be checked carefully before selecting this model.

The most suitable related models are other PowerFlex 700 variants with matching voltage and current ratings. For new projects, other drive families can also be evaluated, but their electrical, control and mechanical specifications must be matched to the application.

Final recommendation: use the complete catalog number as the starting point for selection, then verify motor current, duty rating, control I/O, braking, feedback, communications and mechanical dimensions. The listed Frame 6 dimensions and drive-only weight provide a useful planning reference, but the exact unit drawing should be used before installation or replacement work.