R911282633 (MHD112D-027-NG0-BN)
MHD Synchronous Motors
Technical Specifications
Maximum Speed
3000 RPM
Rated Motor Speed
2000 RPM
Characteristic Motor Speed
3000 RPM
Rated Speed (Natural Convection 60K)
2000 RPM
Rated Torque (Natural Convection 60K)
27.3 Nm
Rated Current (Natural Convection 60K)
12.7 Amps
Power Output (Natural Convection 60K)
6.9 kilowatts
Voltage (Natural Convection 60K)
319 Volts
Rated Speed (Natural Convection 100K)
2000 RPM
Rated Torque (Natural Convection 100K)
41.5 Nm
Rated Current (Natural Convection 100K)
20.7 Amps
Power Output (Natural Convection 100K)
11.3 kilowatts
Voltage (Natural Convection 100K)
331 Volts
Rated Speed (Surface Cooling)
2000 RPM
Rated Torque (Surface Cooling)
59.2 Nm
Rated Current (Surface Cooling)
27.6 Amps
Power Output (Surface Cooling)
15.2 kilowatts
Voltage (Surface Cooling)
344 Volts
Motor Frequency
133 Hertz
Thermal Time Constant (Natural Convection)
90 minutes
Thermal Time Constant (Surface Cooling)
40 minutes
Motor Mass
56 kilograms
Protection
IP65
Feedback
Digital Servo
Shaft
Plain with Sealing Ring
Holding Brake
No
Power Connector
Side B
Mounting
Flange
Flange Size
192 millimeters
Frequently Asked Questions
What determines the continuous torque at standstill?
The continuous torque at standstill is determined by the motor’s thermal limits and winding design. The specification ensures optimal torque delivery without exceeding allowable temperature rise.
Why is the rated speed limited to 3000 rpm?
The rated speed of 3000 rpm is defined by mechanical balancing and bearing constraints. The limit prevents excessive vibration and maintains precision in servo control.
How does the voltage constant affect motor control?
The voltage constant defines the relationship between speed and back EMF generation. The parameter ensures predictable voltage behavior, simplifying servo amplifier tuning and feedback integration.
What is the purpose of the IP65 protection rating?
The IP65 protection rating safeguards internal components from dust and low-pressure water jets. The feature allows reliable operation in industrial environments with exposure to debris or moisture.
Why is the motor’s torque constant important for performance?
The torque constant specifies the torque produced per ampere of current. The parameter ensures efficient torque generation and stable performance under variable load conditions.
Common Misspellings
MHD112D027NG0BN
MHD112D 027 NG0 BN
mhd112d-027-ng0-bn
Internal Product Review
The Bosch Rexroth Indramat MHD112D-027-NG0-BN servo motor features a motor size one hundred twelve frame with a liquid-cooled housing. It delivers a continuous torque of forty-eight newton meters. It is suitable for use in robotics, computer numerical control machinery, and automated assembly systems requiring precision and durability.
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