MDD025A-N-100-N2K-040PR1
MDD Synchronous Motors
The MDD025A-N-100-N2K-040PR1 from Bosch Rexroth Indramat features a continuous torque at standstill of 0.33 Nm and a blocking brake torque of 1.0 Nm. Part of the MDD Synchronous Motors, it has a nominal speed of 10000 min-1 and a centering diameter of 40 mm. This motor includes an integrated absolute encoder and resolver feedback and uses a standard housing.
It is driven by a keyway shaft per DIN 6885 sh. 1 and includes a shaft seal and right connection direction. The motor length code is A. Its compact design suits digital drive controllers.
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
With shaft seal
Shaft Type
keyway
Connection Direction
Right
Connection Type
Connector
Product Type
Motor for digital drive controllers
Shaft End
Standard (without side B shaft end)
Frequently Asked Questions
How should I size the drive and gearbox considering the motor’s 10,000 min⁻¹ capability?
Use a drive rated for the motor’s base speed and resolver interface, and gear down to keep mechanical components within bearing DN limits; verify gearbox input speed and balance class. Check inertia ratio (J_load/J_motor) to stay within the drive’s tuning range for rapid moves.
How does “standard balancing” affect high-speed performance at 10,000 min⁻¹?
Standard balance reduces vibration and bearing load, but coupling runout or pulley misalignment can dominate at high rpm. Use precision couplings and align within manufacturer shaft concentricity tolerances
Can I retrofit this motor onto existing digital drive controllers in legacy machines?
Yes—the MDD series is designed for digital drive controllers, with resolver feedback commonly supported by Indramat/Rexroth drives and many third-party units. Confirm resolver excitation/output specs and max electrical frequency vs. 10,000 min⁻¹.
How should I plan cabling for EMI and resolver signal integrity at high speeds?
Route power and resolver pairs separately with proper shielding and 360° shield termination at the drive; maintain pair twist and avoid long parallel runs with motor power leads. Poor grounding shows up as noisy position feedback and tuning instability.
Does the Bosch Rexroth Indramat MDD025A-N-100-N2K-040PR1 support both resolver and absolute feedback as specified?
Yes—this variant is documented with resolver feedback and an integrated absolute encoder, enabling precise position control and quick startup. It also includes a 1 Nm blocking brake and 40 mm centering diameter for standard face-mount integration.
Common Misspellings
MDD-025A-N-100-N2K-040PR1
MDD025A N 100 N2K 040PR1
MDD025A-N-100-N2K-040-PR1
MDD025AN100N2K040PR1
MDD25A-N-100-N2K-040PR1
MDDO25A-N-100-N2K-040PR1
MDDO25A-N-1OO-N2K-O4OPR1
Internal Product Review
The Bosch Rexroth Indramat MDD025A-N-100-N2K-040PR1 motor offers a continuous torque of 0.33 Nm at standstill and includes a 1.0 Nm holding brake. It features a nominal speed of 10,000 min⁻¹ and integrated resolver feedback for precise motion control. This motor is suitable for use in CNC machinery, robotics, and digital drive systems.
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