R911289059 (MHD112D-027-NP3-LN)

MHD Synchronous Motors

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3 Minutes 20 Seconds

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1-888-551-3082

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The MPN R911289059 (MHD112D-027-NP3-LN) is a synchronous servo motor engineered by Bosch Rexroth for industrial automation tasks. This unit features dual cooling options—natural and surface—and an IP68-rated housing with black coating for environmental resistance. The motor delivers a rated torque of 41.5 Nm using natural cooling at 100K, operating at 20.7 A and 331 V. Key technical properties include a keyed shaft with a sealing ring, a left-oriented power connector, winding resistance of 0.35 Ω, and a torque constant of 1.7 Nm/A at 20°C. It is equipped with a 70 Nm holding brake, centering diameter of 130 mm, 192 mm flange, and a 56 kg weight. The encoder is digital servo feedback (HSF), with relative position detection, and the motor is specified for operation from 0 to +40°C and altitudes up to 1000 m. The voltage constant is 154.5 V/min-1 and the rotor moment of inertia is 350 x 10^-4 kgm².

Technical Specifications

Motor Type
Synchronous

Housing Design
Natural and Surface Cooling

Protection Rating
IP68

Housing color
Black

Rated Torque (100K, natural cooling)
41.5 Nm

Rated Voltage
331V

Rated Current
20.7 A

Output Shaft
Key with Sealing Ring

Power connection
Left Side

Winding Resistance
0.35 ohms

Torque Constant (20C)
1.7 Nm/A

Holding Brake Weight
3.8 kilograms

Inertia
30 x 10-4 kgm2

Brake Holding Torque
70 Nm

Brake Rated Current
1.29 A

Brake Rated Voltage
24V

Weight
56 KG (without attachments)

Servo Feedback Type
Digital

Operating Temperature Range
0-40 degree centigrade

Maximum Installation Height
1000 metres above sea level

Voltage Constant
154.5 V/min-1

Motor Inertia
350 x 10-4 kgm2.

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Internal Product Review

The MHD112D-027-NP3-LN servo motor is equipped with a liquid cooling and 130 mm centering diameter. This motor from Bosch Rexroth Indramat ensures steady torque and thermal control. Its plain sealed shaft and digital feedback enable precise positioning. This model serves automation systems, packaging units, and multi-axis machining applications with dependable accuracy.

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.