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- MPL-B330P-MK74AA
- Low-Inertia Brushless Servo Motors Product
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MPL-B330P-MK74AA Low-Inertia Servo Motor
Product Introduction, Technical Specifications, Applications, Advantages and Related Model Recommendations
1. Product Overview
The MPL-B330P-MK74AA is a high-performance low-inertia AC rotary servo motor designed for industrial automation motion control systems.
It belongs to the MP-Series MPL low-inertia servo motor family and is designed for applications requiring fast acceleration, accurate positioning, high repeatability, and stable closed-loop motion control.
This motor uses a 100 mm frame size with a 76.2 mm magnet stack length. It provides a rated speed of 5000 rpm, continuous torque of 4.18 Nm, peak torque of 11.1 Nm, and continuous output power of approximately 1.8 kW.
The motor integrates a high-resolution absolute multi-turn encoder, allowing the servo system to continuously monitor motor position and speed. This makes it suitable for advanced automation equipment where precise synchronization and positioning accuracy are required.
Compared with similar models without braking functions, the MPL-B330P-MK74AA includes a 24V DC holding brake, making it more suitable for applications where the motor shaft must maintain position during power-off conditions or when the machine includes vertical movement axes.
The motor uses a keyless shaft extension design and a right-angle SpeedTEC DIN connector with a 180-degree rotatable connection structure, providing flexibility during mechanical installation and cable routing.
2. Brand and Product Classification
| Item | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Family | MP-Series |
| Product Series | MPL Low-Inertia Servo Motor Series |
| Product Type | Brushless AC Rotary Servo Motor |
| Model | MPL-B330P-MK74AA |
| Motion Category | Industrial Servo Motion Control |
| Motor Construction | Permanent Magnet Synchronous Servo Motor |
| Voltage Class | 400V AC Class |
| Rated Voltage | 460V AC |
| Frame Size | 100 mm |
| Magnet Stack Length | 76.2 mm |
| Rated Speed | 5000 rpm |
| Brake Configuration | 24V DC Holding Brake |
| Shaft Type | Keyless Shaft Extension |
| Feedback Type | Absolute Multi-Turn Encoder |
| Encoder Resolution | 1024 Sin/Cos cycles per revolution |
| Feedback Protocol | Hiperface |
| Connector Type | SpeedTEC DIN Right-Angle Connector |
| Mounting Type | IEC Metric Flange Mount |
| Mounting Hole Style | Free Mounting Holes Type FF |
3. Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Model | MPL-B330P-MK74AA |
| Motor Type | Brushless AC Servo Motor |
| Series | MPL Low-Inertia Servo Motor |
| Voltage Class | 400V AC |
| Armature Voltage | 460V AC |
| Rated Speed | 5000 rpm |
| Maximum Speed | 5000 rpm |
| Continuous Torque | 4.18 Nm |
| Peak Torque | 11.1 Nm |
| Continuous Output Power | 1.8 kW |
| Rotor Inertia | 0.00013 kg·m² |
| Frame Size | 100 mm |
| Magnet Stack Length | 76.2 mm |
| Feedback Type | Absolute Multi-Turn Encoder |
| Encoder Resolution | 1024 Sin/Cos cycles/rev |
| Feedback Protocol | Hiperface |
| Brake Type | 24V DC Holding Brake |
| Shaft Design | Keyless Shaft |
| Shaft Seal | No Shaft Seal |
| Connector Type | SpeedTEC DIN |
| Connector Direction | Right Angle |
| Connector Rotation | 180° Rotatable |
| Mounting Standard | IEC Metric |
| Mounting Holes | Free Mounting Holes Type FF |
| Operating Temperature | Maximum approximately 40°C |
| Product Weight | Approx. 4.72 kg |
| Dimension Reference | 100 mm frame × 76.2 mm stack length |
| Overall Length | Configuration dependent |
| Motor Protection | Industrial servo motor construction |
4. Mechanical Dimensions Information
The mechanical identification of the MPL-B330P-MK74AA is mainly based on frame size and magnet stack length.
| Mechanical Parameter | Value |
|---|---|
| Frame Diameter/Class | 100 mm |
| Frame Classification | Frame 3 |
| Magnet Stack Length | 76.2 mm |
| Magnet Stack Equivalent | 3.0 inch |
| Mounting Flange | IEC Metric |
| Shaft Type | Keyless |
| Shaft Seal | None |
| Brake Housing | Included |
| Connector Housing | Right-angle SpeedTEC DIN |
| Connector Rotation | 180° Adjustable |
| Approximate Weight | 4.72 kg |
The exact external motor length depends on the rear feedback assembly, brake structure, connector configuration, and shaft extension.
For mechanical replacement applications, the complete dimensional drawing should always be checked to confirm mounting compatibility.
5. Weight Information
| Item | Weight |
|---|---|
| Motor Body Weight | Approx. 4.72 kg |
| Frame Size | 100 mm |
| Installation Weight Category | Medium Servo Motor |
| Shipping Consideration | Additional packaging weight required |
The weight of approximately 4.72 kg makes this motor suitable for medium-duty automation equipment where compact installation and sufficient torque output are required.
6. Product Structure Description
The MPL-B330P-MK74AA consists of several major functional components:
| Component | Description |
|---|---|
| Stator Assembly | Generates electromagnetic torque through three-phase AC excitation |
| Permanent Magnet Rotor | Provides high torque density and fast dynamic response |
| Encoder System | Provides precise position and velocity feedback |
| Brake Assembly | Provides holding torque when the motor is disabled |
| Shaft Extension | Keyless design for precision coupling connection |
| Connector System | Simplifies power and feedback cable installation |
| Mounting Flange | Allows direct machine integration |
7. Product Applications
Packaging Machinery
The motor is widely suitable for packaging equipment requiring fast and repeated positioning movements.
Typical applications include:
- Indexing mechanisms
- Filling machines
- Sealing systems
- Labeling equipment
- Cutting mechanisms
- Rotary positioning tables
The high-speed capability and low inertia characteristics allow rapid acceleration and short machine cycle times.
Material Handling Systems
The motor can be applied in automated handling equipment requiring precise movement control.
Typical examples include:
- Conveyor positioning
- Transfer modules
- Pick-and-place systems
- Robotic handling mechanisms
- Automated loading systems
The absolute encoder provides reliable position feedback for repeatable operation.
Assembly Automation
The motor is suitable for precision assembly machines.
Applications include:
- Component insertion systems
- Electronic assembly equipment
- Automated inspection systems
- Precision indexing units
The high-resolution feedback system helps maintain accurate positioning during repetitive production cycles.
Printing and Converting Equipment
The motor can be used in systems requiring synchronized rotary motion.
Applications include:
- Paper feeding
- Web handling
- Cutting systems
- Roller synchronization
- Material processing equipment
The 5000 rpm speed rating supports high-cycle operation.
Machine Tools
The motor can also be used for auxiliary machine tool movements.
Applications include:
- Rotary indexing axes
- Feed mechanisms
- Positioning units
- Tool handling systems
The servo feedback system provides accurate motion control.
Vertical Axis Applications
Because this model includes a 24V DC brake, it can be considered for applications where holding torque is required after power removal.
Examples:
- Vertical lifting mechanisms
- Z-axis applications
- Load positioning systems
- Gravity-sensitive machinery
The brake helps maintain mechanical position when the motor is not energized.
8. Product Advantages
1. High-Speed Servo Performance
The motor provides a rated speed of 5000 rpm.
This allows:
- Faster machine cycles
- Reduced positioning time
- Improved production efficiency
- Compact mechanical transmission design
2. Low-Inertia Design
The MPL low-inertia design provides excellent dynamic response.
Advantages include:
- Faster acceleration
- Faster deceleration
- Improved positioning response
- Reduced settling time
3. High Torque Density
The motor provides:
| Torque Parameter | Value |
|---|---|
| Continuous Torque | 4.18 Nm |
| Peak Torque | 11.1 Nm |
The peak torque capability allows short-duration high-performance motion requirements.
4. Integrated Holding Brake
The built-in 24V DC brake provides additional mechanical holding capability.
Advantages:
- Suitable for vertical axes
- Helps prevent unwanted shaft movement
- Improves machine safety design flexibility
5. Absolute Multi-Turn Feedback
The encoder system provides:
- Accurate position measurement
- Multi-turn position memory
- Closed-loop control capability
- Improved machine repeatability
6. Flexible Mechanical Installation
The keyless shaft and rotatable connector design provide installation flexibility.
Benefits:
- Easier coupling selection
- Improved cable routing
- Reduced installation limitations
9. Encoder Specifications
| Encoder Parameter | Specification |
|---|---|
| Encoder Type | Absolute Multi-Turn |
| Resolution | 1024 Sin/Cos cycles/rev |
| Feedback Protocol | Hiperface |
| Position Feedback | Absolute Position |
| Speed Feedback | Available |
| Control Application | Closed-loop Servo Control |
10. Brake Specifications
| Brake Parameter | Specification |
|---|---|
| Brake Included | Yes |
| Brake Voltage | 24V DC |
| Brake Function | Holding Brake |
| Purpose | Mechanical shaft holding |
| Typical Application | Vertical axis and holding applications |
11. Connector Specifications
| Connector Item | Specification |
|---|---|
| Connector Type | SpeedTEC DIN |
| Design | Right Angle |
| Rotation Capability | 180° |
| Connection Type | Quick Connect |
| Installation Benefit | Flexible cable routing |
12. Recommended Same Series or Related Models
| Model | Rated Speed | Continuous Torque | Peak Torque | Power | Frame Size | Weight |
|---|---|---|---|---|---|---|
| MPL-B310P-MJ74AA | 5000 rpm | 1.58 Nm | 3.61 Nm | 0.77 kW | 63 mm class | 2.7 kg |
| MPL-B320P-MJ74AA | 5000 rpm | 3.05 Nm | 7.91 Nm | 1.5 kW | 80 mm class | 3.7 kg |
| MPL-B330P-MK74AA | 5000 rpm | 4.18 Nm | 11.1 Nm | 1.8 kW | 100 mm | 4.72 kg |
| MPL-B420P-MJ74AA | 5000 rpm | 4.74 Nm | 13.5 Nm | 1.9 kW | 100 mm class | 4.3 kg |
| MPL-B430P-MJ74AA | 5000 rpm | 6.55 Nm | 19.8 Nm | 2.2 kW | 115 mm class | 5.5 kg |
13. Five Popular Related Models
| Model | Product Type | Speed | Torque | Power | Feedback | Weight |
|---|---|---|---|---|---|---|
| MPL-B310P-MJ74AA | Low-Inertia Servo Motor | 5000 rpm | 1.58 Nm | 0.77 kW | Multi-Turn Encoder | 2.7 kg |
| MPL-B320P-MJ74AA | Low-Inertia Servo Motor | 5000 rpm | 3.05 Nm | 1.5 kW | Multi-Turn Encoder | 3.7 kg |
| MPL-B330P-MK74AA | Low-Inertia Servo Motor | 5000 rpm | 4.18 Nm | 1.8 kW | Multi-Turn Encoder + Brake | 4.72 kg |
| MPL-B420P-MJ74AA | Low-Inertia Servo Motor | 5000 rpm | 4.74 Nm | 1.9 kW | Multi-Turn Encoder | 4.3 kg |
| MPL-B430P-MJ74AA | Low-Inertia Servo Motor | 5000 rpm | 6.55 Nm | 2.2 kW | Multi-Turn Encoder | 5.5 kg |
14. Recommended Same Brand Popular Models
| Model | Series | Speed | Continuous Torque | Peak Torque | Power | Weight |
|---|---|---|---|---|---|---|
| MPL-B320P | MPL Low-Inertia Servo | 5000 rpm | 3.05 Nm | 7.91 Nm | 1.5 kW | 3.7 kg |
| MPL-B330P | MPL Low-Inertia Servo | 5000 rpm | 4.18 Nm | 11.1 Nm | 1.8 kW | 4.6 kg |
| MPL-B420P | MPL Low-Inertia Servo | 5000 rpm | 4.74 Nm | 13.5 Nm | 1.9 kW | 4.3 kg |
| MPL-B430P | MPL Low-Inertia Servo | 5000 rpm | 6.55 Nm | 19.8 Nm | 2.2 kW | 5.5 kg |
| MPL-B4540F | MPL Servo Motor | 3000 rpm | 10.2 Nm | 27.1 Nm | 2.6 kW | 8.6 kg |
15. Summary
The MPL-B330P-MK74AA is a medium-power, high-performance low-inertia servo motor designed for demanding industrial automation applications.
Its main characteristics include:
- 5000 rpm high-speed operation
- 4.18 Nm continuous torque
- 11.1 Nm peak torque
- 1.8 kW continuous output
- 100 mm frame size
- 76.2 mm magnet stack
- Absolute multi-turn encoder
- 24V DC holding brake
- Keyless shaft extension
- Flexible SpeedTEC DIN connector
- Approximately 4.72 kg weight
The motor provides a strong balance between speed, torque, accuracy, and installation flexibility, making it suitable for packaging machines, automation systems, precision assembly equipment, material handling systems, and other closed-loop servo applications requiring reliable positioning performance.