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R911276212 (MKD112D-024-GG0-AN)

MKD Synchronous Motors

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The Bosch Rexroth R911276212 (MKD112D-024-GG0-AN) is an AC synchronous servo motor featuring four pole pairs, a plain shaft with shaft seal, and resolver feedback for relative position detection. It has a winding inductance of 5.65 mH, continuous torque of 48 Nm at 60K and 57 Nm at 100K during natural convective cooling, a maximum current of 142.2 A, and winding resistance of 0.35 Ohms at 20°C. The motor operates at a rated speed of 2,000 rpm and a characteristic speed of 3,000 rpm, offers a maximum torque of 187 Nm, and possesses a rotor inertia of 0.0350 kgm². It weighs 43.8 kg, conforms to IP 65 and insulation class F per DIN VDE 0530 – part 1, has a centering diameter of 130 mm, and supports installation up to 1,000 meters altitude. The thermal time constant is 90 minutes for both 60K and 100K overtemperature conditions. Electrical connection is on side A and rated voltage is 480 V.

Technical Specifications

Weight
45 kg

Characteristic Speed
3000 revs/min

Pole Pairs
4

Winding Inductance
5.65 mH

Rated Speed
2000 revs/min

Peak Current
142.2 Amps

Continuous Torque (60K operation)
48 Nm

Continuous Torque (100K operation)
57 Nm

Winding Resistance
0.35 Ohms

Maximum Torque
187 Nm

Rotor Inertia
0.0350 kgm2

Max Speed
3000 revs/min

Storage Temp Range
-20 oC to +80 oC

Working Temp Range
0 – 40 oC

Protection Category
IP 65

Thermal Time Constant (60K)
90 mins

Thermal Time Constant (100K)
90 mins

Max Installation Height
1000 meters

Insulation Class
F

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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

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