R911285449 (MHD112D-027-NP0-AN)
MHD Synchronous Motors
Technical Specifications
Frame Size
112
Centering Diameter
130mm
Flange Size
192mm
Type
Permanent Magnet Synchronous Motor
Pole Pairs
4
Moment of Inertia
350 x 10⁻⁴ kgm2
Cooling Method
Natural Convection or Surface Cooling
Bearing
High Radial Loads
Encoder
Digital Servo Feedback
Output Shaft
Plain with Shaft Sealing Ring
Connection
Friction-Locked Shaft Hub
Max Speed
3000 rpm
Rated Frequency
133Hz
Voltage Constant at 20°C
154.5V/1000min⁻¹
Winding Resistance at 20°C
0.35 Ohms
Temperature Monitoring System
Present
Bearings
Lifetime-Lubricated
Installation Height
Max 1000m above sea level
Operational Temperature Range
0°C to 40°C.
Frequently Asked Questions
What ambient temperature range supports consistent performance?
The ambient temperature range ensures the motor operates within thermal safety limits without insulation stress. The specification maintains torque stability and prevents premature material degradation.
How does humidity impact long-term insulation reliability?
The humidity tolerance protects insulation and bearings from moisture absorption during continuous duty. The specification minimizes internal corrosion risk and ensures steady dielectric strength under humid conditions.
Why is the IP65 protection rating applied here?
The IP65 protection prevents dust intrusion and water exposure from normal industrial cleaning. The specification allows use in production areas with airborne contaminants or washdown cycles.
What is the purpose of the storage temperature range?
The storage temperature range protects internal materials from thermal expansion and contraction stress. The specification ensures winding insulation remains stable during prolonged warehouse or transit periods.
How does altitude influence motor cooling efficiency?
The altitude specification ensures consistent air density for adequate convective cooling. The parameter maintains permissible temperature rise and prevents torque loss at elevated installations.
Common Misspellings
MHD112D027NP0AN
MHD112D 027 NP0 AN
mhd112d-027-np0-an
Internal Product Review
The Bosch Rexroth Indramat MHD112D-027-NP0-AN servo motor is built with a one hundred twelve frame and D-length housing for compact installations. It uses a digital servo feedback encoder with relative detection and a winding code zero-two-seven for thermal stability. It is suitable for textile equipment and automated production lines requiring consistent torque delivery.
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