MDD115D-N-015-N2M-130GB1

MDD Synchronous Motors

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The MDD115D-N-015-N2M-130GB1 from Bosch Rexroth Indramat offers continuous torque at standstill of 57.0 Nm and includes an integrated multiturn absolute encoder. As part of the MDD Synchronous Motors, this motor features natural convection cooling and a blocking brake with 45.0 Nm holding torque.

It operates between 0°C and 45°C with a maximum humidity tolerance of 95% and has a thermal time constant of 90 minutes. The motor draws 38.5 A at standstill and requires 24 V DC for brake engagement.

Technical Specifications

Balancing
Standard

Holding Brake
With blocking brake

Holding Brake Torque
45.0 Nm

Centering Diameter
130 mm

Housing
Standard

Encoder
Integrated multiturn absolute encoder

Continuous Torque at Standstill
57.0 Nm

Motor Size
115

Nominal Speed
1500 min⁻¹

Shaft Seal
With shaft seal

Connection Direction
Side B

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Brake Voltage
24 volts DC

Standstill Current Draw
38.5 Amperes

Nominal Operating Temperature
0°C to 45°C

Humidity
95% maximum

Thermal Time Constant
90 minutes

Storage Temperature
-20°C to 80°C

Frequently Asked Questions

Why is a 45 Nm blocking brake (24 V DC) used on MDD115D-N-015-N2M-130GB1?

The holding brake secures vertical or overhauling loads during disable/EM-stop for preventing shaft back-drive. Its 45 Nm static torque at 24 V is important in sizing to resist process torques at rest without adding servo heat.

What are the implications of natural-convection cooling for this motor’s duty and enclosure design?

Its natural convection simplifies installation, while relying on housing surface area and ambient airflow. Its designers should verify enclosure ventilation and thermal margins for 0–45 °C operation to maintain torque capability over long dwell periods.

How does the 130 mm centering diameter and Side-B connection orientation aid retrofits with MDD115D-N-015-N2M-130GB1?

The standardized 130 mm pilot simplifies coaxial alignment with couplings or gearheads for reducing runout. Its side-B connector route cabling away from moving guards for improving bend-radius management in tight machine bays and enabling cleaner panel drops.

What does the 38.5 A standstill current mean for drive and cable selection on MDD115D-N-015-N2M-130GB1?

Its drive continuous current must meet or exceed 38.5 A to deliver rated holding torque without derating. Its power cabling and connectors should be sized for thermal rise and voltage drop at low electrical frequency during static holding.

What environmental measures support the 0–45 °C, ≤95% humidity envelope on MDD115D-N-015-N2M-130GB1?

It is recommended to use shaft seals and correct cable glands to limit moisture ingress during high humidity operation. Maintain condensation control and avoid radiant heat sources near the frame to preserve encoder accuracy and bearing grease life.

Common Misspellings

Internal Product Review

The Indramat’s MDD115D-N-015-N2M-130GB1 servo motor delivers 57 Nm standstill torque and 1500 min⁻¹ nominal speed with an integrated multiturn absolute encoder. It uses natural-convection cooling and a 45 Nm blocking brake that operates on 24 VDC to suit intermittent stops. This unit offers side-B connections, 130 mm centering and sealing ring for machine integration across packaging, printing and tooling.