MDD021A-N-100-N2K-032GB0
MDD Synchronous Motors
Technical Specifications
Balancing
Standard
Holding Brake
Without blocking brake
Centering Diameter
32 mm
Housing
Standard
Encoder
Integrated absolute encoder
Continuous Torque at Standstill
0.15 Nm
Motor Size
021
Nominal Speed
10000 min⁻¹
Shaft Type
Plain shaft
Connection Type
Connector
Product Type
Motor for digital drive controllers
Shaft End
Standard (without side B shaft end)
Thermal Time Constant
15 min
Mass
1.0 kg
Peak Current
3.6 A
Protection Category
IP 65
Continuous Current At Standstill
0.8 A
Frequently Asked Questions
How does MDD021A-N-100-N2K-032GB0 achieve stable torque at high speeds?
The motor features low rotor inertia with optimized winding design. This supports smooth torque transitions at 10000 min⁻¹ operation.
Why is a 15-minute thermal time constant important for MDD021A-N-100-N2K-032GB0?
It balances heat accumulation during dynamic duty cycles. This stabilizes temperature and prevents rapid thermal stress.
How does the system ensure electrical efficiency under heavy load?
The motor limits current to 3.6 A peak capacity. This reduces excess power draw while maintaining consistent torque delivery.
How does the motor maintain accurate feedback during fast motion?
The motor uses an integrated absolute encoder for real-time detection. This enables precise position reference without reinitialization.
Why is a 1.0 kg mass beneficial in these servo applications?
The motor reduces load on support structures and axes. This improves system responsiveness and simplifies mechanical balancing.
Internal Product Review
Bosch Rexroth makes the MDD021A-N-100-N2K-032GB0 synchronous motor that has a 32 mm centering diameter, integrated encoder, and a thermal time constant of 15 minutes. It operates at 10,000 min⁻¹ and is used in laboratory automation, precision assembly, and small motion systems.
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