MDD025A-N-100-N2K-040MA1
MDD Synchronous Motors
The Bosch Rexroth Indramat MDD025A-N-100-N2K-040MA1 from the MDD Synchronous Motors series is a high-performance motor for digital drive controllers engineered for industrial automation. This unit features a compact motor size 025 frame coupled with a motor length code A design, delivering precision motion in tight spaces. Rated for a peak nominal speed of 10000 min⁻¹, the drive motor excels in applications requiring rapid acceleration and dynamic response. Connection flexibility is provided via a robust connector interface on side A, ensuring straightforward integration into existing systems.
Built for reliability under demanding conditions, this Indramat motor offers a continuous torque at standstill of 0.33 Nm, enabling precise hold and positioning without external gearing. An integrated absolute encoder ensures high-resolution feedback, while the dual-loop architecture utilizes resolver feedback for real-time commutation stability. The inclusion of a blocking brake with a holding brake torque of 1.0 Nm enhances safety during power loss and facilitates secure stops in safety-critical processes. Standard balancing and a durable standard housing safeguard internal components against vibration and contamination, extending service life in harsh environments.
Mechanical integration is simplified by the keyway shaft type and a centering diameter of 40 mm, which align with common industrial couplings and gearboxes. The design omits a shaft seal and additional side-B shaft end, streamlining maintenance and reducing potential leak points. At every interface, from the drive controller to the load, this motor exemplifies Bosch Rexroth Indramat’s commitment to precision, reliability, and seamless interoperability in high-speed automation tasks.
Technical Specifications
Balancing
Standard
Holding Brake
With blocking brake
Holding Brake Torque
1.0 Nm
Centering Diameter
40 mm
Housing
Standard
Encoder
Integrated absolute encoder
Motor Feedback
Resolver feedback
Continuous Torque at Standstill
0.33 Nm
Motor Length Code
A
Motor Size
025
Nominal Speed
10000 min⁻¹
Shaft Seal
Without shaft seal
Shaft Type
keyway
Connection Direction
Side A
Connection Type
Connector
Product Type
Motor for digital drive controllers
Shaft End
Standard (without side B shaft end)
Frequently Asked Questions
What real‐world advantages does a blocking brake with holding torque of 1.0 Nm provide in safety and process control?
The brake ensures the motor axis remains locked when power is cut or during emergency stops, avoiding drift or undesired motion. It also allows immediate safe stop, which is essential in safety‐critical machinery or where human interaction is possible.
How do integrated absolute encoder plus resolver feedback (dual‐loop) improve performance compared to simpler feedback systems?
The resolver provides continuous rotor position for commutation (ensuring smooth torque) while the absolute encoder gives precise position data across power cycles. This combination reduces startup calibration time, enhances stability under load, and improves accuracy after shock/vibration events.
What installation challenges or alignment concerns arise due to the keyway shaft and 40 mm centering diameter?
The keyway must be precisely machined to avoid introducing runout, which at high speed causes vibration and premature bearing wear. The 40 mm centering diameter helps alignment into common couplings but must be aligned concentrically with mating elements to preserve balance.
How would the lack of a shaft seal affect application choices in industrial environments?
Without a shaft seal, the motor is more vulnerable to ingress of dust, coolant, or moisture, meaning its bearings and internal parts can degrade more quickly. Applications requiring washdown or harsh environmental sealing will need external protection or housing.
What are the electrical drive controller considerations for controlling a motor like this one with high nominal speed and dual feedback?
The controller must support sufficient PWM switching frequency and current capability to handle peak demands, plus fast ADC or resolver/encoder input channels. It also needs firmware/logic for dual‐loop control and error detection from both feedback devices to maintain stability.
Common Misspellings
MDD-025A-N-100-N2K-040MA1
MDD025A N 100 N2K 040MA1
MDD025A-N-100-N2K-040-MA1
MDD025AN100N2K040MA1
MDD25A-N-100-N2K-040MA1
MDDO25A-N-100-N2K-040MA1
MDDO25A-N-1OO-N2K-O4OMA1
Internal Product Review
The Bosch Rexroth Indramat MDD025A-N-100-N2K-040MA1 motor is designed for fast, precise automation in industries like robotics, electronics assembly, and packaging. It features a 10000 min⁻¹ nominal speed, 0.33 Nm continuous standstill torque, and a 40 mm centering diameter for easy integration. An integrated encoder and blocking brake support stable positioning and safe stops.
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Repair
We offer a repair service for the MDD025A-N-100-N2K-040MA1.
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