R911311981 (MHD115A-035-PG0-LA)

Name: R911311981 (MHD115A-035-PG0-LA)
Brand: Indramat Motors
SKU: MHD115A-035-PG0-LA
Price: 843.00 USD
Availability: InStock

MHD Synchronous Motors

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Email:
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The Bosch Rexroth synchronous servo motor MPN R911311981 (MHD115A-035-PG0-LA) features an IP65-rated black-coated housing and F-class insulation. It operates at 381 V and 20.7 A, delivering 12.6 kW output power and 32.0 Nm continuous torque at standstill, with a rated speed of 3000 RPM. The motor incorporates an absolute multiturn digital encoder for position detection, a plain output shaft with shaft seal, and a power connector oriented to the left (A-side). Key specifications include a stator winding resistance of 0.46 ohms at 20°C, torque constant of 1.31 Nm/A, and a moment of inertia of 65.0 x 10^-4 kgm². The motor measures 192 mm (flange), has a centering diameter of 180 mm, motor size 115 and length A, weighs 30 kg, and supports natural convection cooling. It is designed for operation from 0°C to 40°C and altitudes up to 1000 m.

Technical Specifications

Output Shaft
Plain

Protection Level
IP65

Insulating Material Class
F

Housing
Black-Coated

Power Connector Placement
A-side

Rated Power
12.6 kW

Rated Speed
3000 RPM

Rated Current
20.7 A

Rated Voltage
381 V

Weight
30 kg

Winding Resistance
0.46 Ohms

Torque Constant
1.31 Nm/A

Winding Inductivity
5.8 mH

Moment of Inertia of The Rotor
65.0 x 10-4 kgm2

Polar Pairs
4

Encoder System
Absolute Multiturn Digital

Rated Torque
21.7 Nm

Rated Frequency
200 Hz

Operating Temperature Range
0 to +40 degrees Celsius

Operating Altitude
Up to 1000 meters

Maximum Torque
110 Nm

Maximum Current
121 A

Maximum Speed
4500 RPM

Supplier
Indramat USA.

Frequently Asked Questions

What ambient temperature range supports consistent operation?

The ambient temperature range defines thermal stability during rated performance. The specification ensures optimal insulation behavior and motor efficiency within defined operating limits.

How do humidity conditions influence motor reliability?

The humidity tolerance prevents moisture accumulation inside the housing and windings. The specification reduces corrosion risk and insulation degradation during long-term operation in humid environments.

Why is the IP65 protection rating significant here?

The IP65 rating prevents dust entry and resists low-pressure water jets. The specification enables reliable operation in industrial spaces with airborne contaminants or periodic cleaning cycles.

What is the purpose of storage temperature limits?

The storage temperature range protects internal materials from expansion and contraction stress. The specification ensures consistent insulation resistance and bearing performance after prolonged inactivity.

How does installation altitude affect thermal performance?

The installation altitude influences air density and convective cooling efficiency. The specification maintains permissible temperature rise by ensuring sufficient airflow at standard rated elevations.

Common Misspellings

MHD115A035PG0LA

MHD115A 035 PG0 LA

mhd115a-035-pg0-la

Internal Product Review

The Bosch Rexroth MHD115A-035-PG0-LA servo motor features digital servo feedback (HSF) with relative position detection and natural convection cooling for consistent operation. Offering 32.0 Nm continuous torque with a sealed plain shaft and 192 mm flange, it ensures stable motion. Commonly used in printing systems, robotic automation, and material handling industries for precise control.