R911288746 (MHD115A-024-NG0-BA)

Name: R911288746 (MHD115A-024-NG0-BA)
Brand: Indramat Motors
SKU: MHD115A-024-NG0-BA
Price: 437.00 USD
Availability: InStock

MHD Synchronous Motors

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The synchronous servo motor R911288746 (MHD115A-024-NG0-BA) features a plain shaft with shaft seal, operates with natural convection cooling, and is equipped with digital servo feedback (HSF) for relative position detection. The motor delivers a continuous torque of 32.0 Nm at standstill and supports a rated speed of 2000 RPM. It has a rated current of 18 A and a rated voltage of 309 V. The device's thermal time constant is 60 minutes, insulation class is F, and mechanical design includes a centering diameter of 180 mm, flange size of 192 mm, and overall size 115 (length A, without holding brake). The protection class is IP65. Power is connected via output connector to side B. The winding code is 024.

Technical Specifications

Type
Synchronous motor

Rated Speed
2000 RPM

Rated Torque
37.5 Nm

Rated Current
18 A (surface cooling mode at 60/100 K)

Maximum Theoretical Torque
110 Nm

Weight
30 kg

Rated Power
3.8 kW (natural cooling at 60 K)

Rated Voltage
309 volts

Thermal Time Constant
60 minutes

Output Shaft Type
Plain with sealing ring

Winding Inductivity
8.6 mH

Winding Resistance
0.66 ohms

Housing Color
Black

Protection Level
IP65

Insulation Class
F

Digital Servo Feedback
Present

Cooling Type
Surface and natural convection

Frequently Asked Questions

What ambient temperature range supports stable motor operation?

The permissible ambient temperature is between 0°C and 40°C for consistent functionality. The controlled temperature prevents insulation stress and ensures reliable thermal equilibrium during operation.

How does storage temperature affect servo motor lifespan?

The motor can be stored between -20°C and +80°C without degradation. The wide tolerance range maintains material stability and protects against condensation-related damage.

What role does the IP65 protection rating serve?

The IP65 protection ensures dust-tight sealing and water jet resistance. The sealed enclosure enhances durability and enables installation in demanding industrial environments.

How does altitude impact MHD115A-024-NG0-BA performance?

The motor operates effectively up to 1000 meters above mean sea level. The altitude limit ensures proper cooling efficiency and prevents thermal overload under reduced air density.

Why is housing varnish specification technically important?

The prime coat black varnish (RAL 9005) protects the housing from moisture and corrosion. The surface treatment improves long-term environmental endurance and electrical safety.

Common Misspellings

MHD115A024NG0BA

MHD115A 024 NG0 BA

mhd115a-024-ng0-ba

Internal Product Review

The MHD115A-024-NG0-BA servo motor from Bosch Rexroth Indramat delivers 32.0 Nm continuous torque via natural‐convection cooling and digital servo feedback (HSF). With a 180 mm centering diameter, 192 mm flange and plain shaft with seal, it suits machine tools. It is used in packaging, textile presses, and automation cells needing precise relative position control.