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R911272383 (MHD071B-035-NG1-UN)

MHD Synchronous Motors

Rated 4.4 stars (14 total reviews)
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1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

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The R911272383 (MHD071B-035-NG1-UN) is a synchronous servo motor designed for use in automation applications such as paper processing, food production, and machine tools. This AC motor features a 115 mm flange, 95 mm centering diameter, and motor size 071 with a B-length housing. It operates at a rated speed of 2500 rpm, rated voltage of 349V AC, and current of 4.4 A. The motor is equipped with a four-pole permanent magnet rotor, plain shaft with sealing rings, and IP65 protection. It integrates digital servo feedback for relative position detection, a 5.0 Nm holding brake, and supports both natural convection and liquid cooling. Power and feedback connectors are adjustable within a 270° range.

Technical Specifications

Industry Use
Industrial Process Automation

Motor Category
AC Synchronous Motor

Speed
2500 rpm

Size
115 mm

Length
8.0Nm

Poles
4

Rated Voltage
349V AC

Rated Current
4.4 Amperes

Feedback Type
Digital Servo Feedback

Shaft Type
Plain Shaft with Sealing Rings

Holding Brake Torque
5.0 Nm

Connector Adjustment
270 Degrees

Motor Housing Design
Natural Convection with Liquid Cooled

Shipping Availability
Global

What are the integration considerations for a flange size of 115 mm?

A 115 mm flange allows compatibility with standard industrial mountings. It also ensures stable mechanical coupling in high-torque applications.

Is the MHD071B-035-NG1-UN suitable for vertical mounting applications?

Yes, especially with its integrated holding brake rated at 5.0 Nm. It helps maintain position when power is removed, critical for vertical loads.

Why is the centering diameter important when selecting a servo motor?

The centering diameter ensures precise alignment between motor and driven equipment. Poor alignment increases wear and reduces transmission efficiency.

How does a rated speed of 2500 RPM influence system design?

A 2500 RPM speed supports fast cycle times in dynamic applications. It must be matched with gearbox ratios and load inertia for optimal results.

Can the MHD071B-035-NG1-UN handle continuous-duty operations?

Yes, its continuous torque capability at standstill and liquid cooling allow sustained performance. It is well-suited for high-duty cycle automation tasks.

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Internal Product Review

The Bosch Rexroth Indramat MHD071B‑035‑NG1‑UN is a synchronous servo motor with integrated liquid cooling. Its design delivers 8.0 Nm continuous torque at standstill, and features a digital HSF encoder with 270° turnable connectors. It is often deployed in CNC machines, robotics, and high‑precision motion control systems in industrial automation.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD071B-035-NG1-UN.
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