Introduction
The Allen-Bradley MPL-A210V-VJ74AA is a compact MP-Series MPL low-inertia rotary servo motor designed for precision industrial motion applications. Its combination of high-speed capability, absolute multi-turn feedback, and integrated 24 V DC brake makes it suitable for machine axes requiring both dynamic performance and reliable position control.
The motor uses a 230 V motor class, 75 mm Frame 2 housing, and 25.4 mm magnet stack. With an 8000 RPM speed rating, it is designed for applications where the servo axis must respond quickly to high-speed motion commands.
The low-inertia design helps reduce the motor's resistance to changes in rotational speed. This characteristic is beneficial in applications with frequent acceleration and deceleration, such as packaging equipment, indexing machines, pick-and-place mechanisms, and automated assembly systems.
One of the most important features of the MPL-A210V-VJ74AA is its multi-turn high-resolution absolute encoder. Unlike a basic incremental feedback system, the absolute feedback arrangement provides detailed position information and supports position tracking across multiple revolutions. This is particularly valuable for precision motion applications where the controller needs reliable feedback about the motor's actual position.
The model also includes a 24 V DC holding brake. The brake provides mechanical holding capability when the servo system is disabled or when the machine requires the motor shaft to remain stationary. Brake control must be correctly coordinated with the servo drive and machine-control sequence.
The motor uses a keyed shaft extension, making it suitable for conventional mechanical power transmission arrangements. Couplings, gears, pulleys, and other driven components can be selected according to the machine's mechanical requirements.
For electrical integration, the motor features a SpeedTEC DIN right-angle connector that can be rotated through 180 degrees. This allows the connector orientation to be adjusted to suit available installation space and motor-cable routing.
The MPL-A210V-VJ74AA is therefore a practical choice for machine builders and maintenance engineers who need a compact servo motor with high-speed operation, absolute multi-turn feedback, and a 24 V DC holding brake.
When replacing an existing MPL motor, engineers should verify the complete catalog number rather than selecting a motor solely according to frame size. Feedback type, brake configuration, magnet stack length, voltage class, shaft arrangement, connector type, and servo-drive compatibility should all be checked before installation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Model | MPL-A210V-VJ74AA |
| Product Family | MP-Series MPL |
| Product Type | 240V AC Rotary Servo Motor |
| Motor Design | Low-Inertia Brushless Servo Motor |
| Voltage Class | 230 V AC |
| Frame Size | 75 mm |
| Frame Designation | Frame 2 |
| Magnet Stack Length | 25.4 mm (1.0 in.) |
| Stack Designation | Stack Length 10 |
| Rated Speed | 8000 RPM |
| Maximum Speed | 8000 RPM |
| Continuous Stall Torque | 0.55 Nm |
| Peak Stall Torque | 1.52 Nm |
| Rated Continuous Output | 0.37 kW |
| Feedback Type | Multi-turn High-resolution Absolute Encoder |
| Feedback Resolution | 128 Sin/Cos Cycles/Revolution |
| Feedback Protocol | Hiperface |
| Shaft Type | Keyed Shaft Extension |
| Connector | SpeedTEC DIN Right-Angle Connector |
| Connector Rotation | 180° Rotatable |
| Brake | 24 V DC Holding Brake |
| Mounting | IEC Metric, Free Mounting Holes Type FF |
| Shaft Seal | No Shaft Seal |
| Enclosure | IP50 standard; higher shaft-area protection may be available with the appropriate shaft-seal configuration |
| Dimensions | Not specified in the supplied data |
| Weight | 1.40 kg (3.09 lb) |
| Maximum Operating Temperature | 40°C |
| Application | Industrial Servo Motion Control |
Recommended Related Models
- Allen-Bradley MPL-A210V-VJ72AA — 75 mm Frame 2 servo motor with multi-turn high-resolution absolute feedback and no brake.
- Allen-Bradley MPL-A210V-EJ74AA — 75 mm Frame 2 servo motor with single-turn high-resolution feedback and 24 V DC brake.
- Allen-Bradley MPL-A210V-EJ72AA — 75 mm Frame 2 servo motor with single-turn high-resolution feedback and no brake.
- Allen-Bradley MPL-A210V-HJ74AA — 75 mm Frame 2 servo motor with incremental feedback and 24 V DC brake.
- Allen-Bradley MPL-A210V-HJ72AA — 75 mm Frame 2 servo motor with incremental feedback and no brake.
Popular Related Models
- Allen-Bradley MPL-A220T-VJ74AA — 75 mm Frame 2 MPL servo motor with 50.8 mm magnet stack, multi-turn high-resolution absolute feedback, and 24 V DC brake.
- Allen-Bradley MPL-A220T-VJ72AA — 75 mm Frame 2 servo motor with multi-turn absolute feedback and no brake.
- Allen-Bradley MPL-A230P-VJ74AA — 75 mm Frame 2 MPL servo motor with 76.2 mm magnet stack, multi-turn absolute feedback, and 24 V DC brake.
- Allen-Bradley MPL-A230P-VJ72AA — 75 mm Frame 2 servo motor with multi-turn absolute feedback and no brake.
- Allen-Bradley MPL-A1530U-VJ74AA — 63 mm Frame 15 MPL servo motor with multi-turn high-resolution absolute feedback and 24 V DC brake.
- Allen-Bradley MPL-B210V-VJ74AA — 460 V-class MP-Series MPL servo motor with 75 mm Frame 2, 25.4 mm magnet stack, multi-turn absolute feedback, and 24 V DC brake.
