ABB M3AA225WMB4 3GV1110749274003 Three-Phase Low Voltage Motor for Industrial Machinery and Process Drive Applications

The M3AA225WMB4 designation indicates a 225 frame-size motor with a four-pole configuration. The complete identification should be maintained as ABB M3AA225WMB4 and 3GV1110749274003 when creating equipment records, checking technical compatibility or matching a motor with an existing industrial installation.

Product Identification

• Manufacturer: ABB
• Motor Family: M3AA
• Motor Designation: M3AA225WMB4
• Additional Reference: 3GV1110749274003
• Motor Type: Three-Phase AC Motor
• Motor Family Construction: Aluminium Frame
• IEC Frame Size: 225
• Number of Poles: 4
• Rotor Design: Squirrel Cage
• Motor Type: Totally Enclosed Industrial Motor
• Electrical Parameters: Configuration-Dependent
• Mounting Arrangement: Configuration-Dependent
• Rated Output: Configuration-Dependent

ABB M3AA Motor Family

The ABB M3AA series is a family of low-voltage three-phase motors intended for a broad range of industrial drive applications. ABB documentation describes M3AA motors as totally enclosed motors with aluminium stator frames. The family includes multiple IEC frame sizes and different electrical configurations. :contentReference[oaicite:1]{index=1}

The M3AA platform is organized around a structured product-code system. The code identifies the motor family, IEC frame size, pole configuration, running number, mounting arrangement, voltage and frequency code, generation code and applicable variant information.

This structure is important because motors within the same general M3AA family can have substantially different power ratings, speeds, electrical connections and mechanical configurations.

M3AA225 Frame Size

The number 225 in M3AA225WMB4 identifies the IEC frame-size category. Frame size is an important mechanical dimension used when matching an electric motor to a machine or drive system.

The frame designation provides information related to the motor’s shaft center height and general mechanical envelope. However, frame size alone does not determine the complete motor dimensions. Shaft extension, mounting arrangement, flange configuration, foot spacing and other mechanical characteristics must be verified from the specific technical drawing.

Four-Pole Motor Configuration

The final number 4 in the M3AA225WMB4 designation indicates a four-pole configuration within the ABB product-code structure. ABB’s current documentation explains that the pole-code position identifies the number of poles, with 1 representing two poles, 2 representing four poles, 3 representing six poles and 4 representing eight poles in the applicable product-code system. :contentReference[oaicite:2]{index=2}

For the M3AA225WMB4 designation, the four-pole configuration therefore corresponds to a motor intended for the lower operating-speed range of standard industrial induction motors compared with a two-pole motor of the same frequency.

Operating Speed

A four-pole induction motor supplied from a 50 Hz system has a synchronous speed of 1500 r/min. The actual shaft speed is lower because an induction motor operates with slip under load.

The actual rated speed of ABB M3AA225WMB4 must be confirmed from the individual nameplate because the complete product reference supplied does not provide sufficient public information to establish the exact rated-load speed.

Operating speed can also change when the motor is controlled through a variable-frequency drive. In such an installation, the permitted frequency range and thermal characteristics should be established from the applicable motor documentation.

Aluminium Frame Construction

The M3AA family uses aluminium stator-frame construction for applicable motor sizes. Aluminium provides a relatively lightweight motor housing while supporting the mechanical structure and heat-transfer requirements of the motor.

The frame also incorporates the mechanical mounting interface and contributes to the overall cooling arrangement. The exact housing dimensions, mounting arrangement and terminal-box position depend on the specific motor configuration.

For replacement or integration work, the nameplate and dimensional drawing should therefore be used rather than assuming that all M3AA motors with the same frame size have identical mechanical details.

Three-Phase AC Operation

ABB M3AA motors are three-phase AC motors designed for connection to industrial electrical power systems. Depending on the product-code configuration, different voltage and frequency combinations can be selected.

ABB’s current product-code documentation lists several voltage and frequency codes, including 380 V delta at 50 Hz, 400 V delta, 415 V delta and 690 V star at 50 Hz, as well as other configuration options. :contentReference[oaicite:3]{index=3}

The exact voltage and connection arrangement for M3AA225WMB4 should be taken from the motor nameplate associated with reference 3GV1110749274003.

Electrical Rating Verification

The complete electrical rating of an M3AA motor includes rated output, voltage, frequency, current, speed, power factor and duty. These values are configuration-specific and should not be inferred solely from the M3AA225 family designation.

ABB technical catalogues demonstrate that M3AA motors in the 225 frame are available with different output ratings and product codes. Historical ABB documentation, for example, lists M3AA 225 SMC four-pole configurations in the 30 kW class under particular product-code combinations. :contentReference[oaicite:4]{index=4}

This illustrates why the complete product code and nameplate should be used when determining the exact rating of a particular motor.

Industrial Drive Applications

Three-phase motors in the M3AA family can be applied to a wide variety of industrial machinery. Typical applications include pumps, fans, compressors, conveyors, processing equipment, machine tools and other driven systems.

The suitability of a particular motor depends on the torque and speed requirements of the driven machine. A four-pole motor can be appropriate for applications requiring moderate rotational speed and continuous mechanical drive operation.

The motor should be evaluated according to the complete load profile, including starting torque, acceleration time, running torque and operating duty.

Variable-Frequency Drive Applications

An ABB M3AA motor can be integrated into a variable-frequency drive system when the motor and application are suitable for converter operation.

Using a frequency converter allows the motor speed to be adjusted by changing the supply frequency. This can be useful in pumps, fans, conveyors and process machinery where variable operating speed is required.

Converter operation introduces additional considerations, including motor insulation, cooling, minimum speed, maximum speed, bearing conditions and the permissible operating range. These factors should be evaluated using the applicable ABB motor documentation.

Mechanical Mounting

The mechanical mounting arrangement is an important part of motor selection. ABB’s product-code system identifies different mounting arrangements, including foot-mounted and flange-mounted configurations. :contentReference[oaicite:5]{index=5}

The complete M3AA225WMB4 reference should therefore be checked against the existing machine mounting arrangement before installation.

Important dimensions can include shaft center height, shaft diameter, shaft extension length, mounting-hole spacing, flange dimensions and terminal-box location.

Cooling and Enclosure

M3AA industrial motors use a totally enclosed construction designed for industrial operating environments. The specific cooling arrangement and enclosure characteristics are determined by the selected motor configuration.

Adequate ventilation around the motor remains important during operation. Restricted airflow, excessive ambient temperature or unsuitable installation conditions can affect winding temperature and motor performance.

The actual enclosure protection rating should be confirmed from the motor nameplate or the applicable technical data for the complete product code.

Insulation System

ABB M3AA motor documentation includes insulation and temperature-rise information as part of the technical motor specification. Historical M3AA aluminium motor catalogues identify insulation class F and, for applicable designs, temperature-rise class B. :contentReference[oaicite:6]{index=6}

The insulation system is important when evaluating motor operating temperature, ambient conditions and variable-frequency drive applications.

For ABB M3AA225WMB4 specifically, the exact insulation and temperature-rise information should be confirmed from the nameplate and corresponding documentation for reference 3GV1110749274003.

Technical Specification Summary

Motor Torque Characteristics

Motor selection should consider both rated torque and starting torque. A four-pole motor operating at 50 Hz has a lower synchronous speed than a two-pole motor, while its torque requirement depends on the rated output and actual shaft speed.

The driven machine determines whether the motor can provide the required starting and running torque. Pumps, fans and conveyors can have different load characteristics, so the motor should be matched to the specific application.

Where a variable-frequency drive is used, the torque-speed relationship should also be considered across the intended operating frequency range.

Electrical Protection

An M3AA motor should be connected to an appropriate motor protection system. Depending on the installation, protection can include short-circuit protection, overload protection, motor switching equipment and phase-loss monitoring.

The correct protective-device settings depend on the actual motor current shown on the nameplate. Because the exact rated current for 3GV1110749274003 has not been established from the available public documentation, it should not be estimated from the frame size alone.

Using the actual nameplate current provides a more accurate basis for protection and starter selection.

Starting Methods

The M3AA family can be used with different motor-starting arrangements when the electrical configuration is appropriate. Direct-on-line starting is one common method for industrial induction motors, while star-delta starting or variable-frequency drive control can be used in applications where starting-current or speed-control requirements justify those methods.

The selected method must correspond to the motor’s rated voltage, winding connection, supply system and driven-machine requirements.

Starting current can be substantially higher than normal running current, so the electrical installation should be designed accordingly.

Continuous Industrial Operation

Industrial motors are often integrated into machines that operate for extended periods. Thermal balance becomes particularly important when the motor operates continuously near its rated load.

The motor installation should provide suitable ventilation and should avoid conditions that cause excessive heat accumulation. Load, ambient temperature, altitude and cooling conditions can influence the motor’s thermal performance.

The applicable duty classification for ABB M3AA225WMB4 should be confirmed from its individual rating plate.

Maintenance Considerations

Maintenance of an M3AA motor can include inspection of electrical terminals, motor mounting, shaft coupling, bearings, cooling passages and operating temperature.

Abnormal vibration, unusual bearing noise, excessive temperature or unexpected changes in operating current can indicate mechanical or electrical problems.

The motor should be isolated according to the applicable electrical safety procedure before maintenance work is performed.

Identification by Complete Reference

For technical records, the recommended identification is ABB M3AA225WMB4, reference 3GV1110749274003. Maintaining both identifiers helps distinguish the motor from other M3AA 225 frame configurations.

ABB’s product-code system contains multiple configuration positions, so the complete code provides substantially more information than the general M3AA family name. ABB documentation explains that the product code can contain information concerning frame size, pole configuration, running number, mounting arrangement, voltage and frequency, generation and variant codes. :contentReference[oaicite:7]{index=7}

Compatibility Evaluation

When evaluating M3AA225WMB4 as a replacement or as part of an existing machine, mechanical and electrical compatibility should be assessed separately.

Mechanical compatibility includes frame dimensions, mounting arrangement, shaft dimensions and terminal-box position. Electrical compatibility includes rated voltage, frequency, current, output power, speed and connection arrangement.

The driven machine must also be evaluated for torque, speed and duty requirements. A motor with the same frame size is not necessarily an electrically equivalent replacement.

Application in Process Machinery

The four-pole M3AA configuration can be applied to industrial process machinery where moderate-speed three-phase motor operation is required. The M3AA family has been used across general-purpose and process-oriented motor applications.

Typical systems may include pumps, fans, conveyors, compressors and auxiliary machinery. The actual application depends on the motor’s complete electrical and mechanical specification.

Correct selection ensures that the motor operates within its intended thermal, mechanical and electrical limits.

Technical Documentation

ABB documentation should be consulted using the complete motor designation and product reference whenever exact specifications are required. The M3AA family contains many frame sizes, pole configurations and rated-power combinations.

Historical ABB documentation demonstrates that M3AA 225 motors are available in several four-pole configurations, while current ABB documentation describes the expanded product-code structure used to identify mounting, voltage, frequency, generation and variant information. :contentReference[oaicite:8]{index=8}

This makes the complete reference 3GV1110749274003 particularly important when creating a precise equipment record.

Conclusion

ABB M3AA225WMB4 with reference 3GV1110749274003 belongs to the ABB M3AA family of three-phase low-voltage aluminium-frame motors. The designation identifies a 225 frame-size motor with a four-pole configuration, while the complete reference provides the primary identification for the specific motor.

ABB’s M3AA documentation describes the family as totally enclosed three-phase motors using an IEC-oriented product structure. The product-code system incorporates information related to frame size, pole configuration, running number, mounting arrangement, voltage and frequency and generation or variant codes. :contentReference[oaicite:9]{index=9}

Because the exact electrical rating associated with 3GV1110749274003 could not be established from the available ABB public documentation, values such as rated power, current, voltage, speed and protection class have deliberately not been guessed. The motor nameplate should be used to confirm these parameters before technical replacement, electrical connection or application selection.

For product identification and search purposes, the complete designation should be retained as ABB M3AA225WMB4 3GV1110749274003. This provides a more precise reference than using only the general M3AA motor family or 225 frame designation.