R911279912
The R911279912 (MHD112C-024-PP3-BN) is a synchronous motor from the MHD series, manufactured by Bosch Rexroth Indramat with a maximum speed rating of 4000 RPM. The motor dimensions are size 112, length C, and winding code 024. The unit features an integrated holding brake and servo feedback, with a 70 Nm torque rated brake that weighs 3.8 kilograms. The brake operates at 1.28 Amps and 24 Volts DC. The motor also has an absolute encoder for multiturn feedback. The motor delivers a characteristic speed of 2000 RPM, a peak current of 120 Amps, and has 4 pole pairs with a winding inductivity of 6.7 mH and a resistance of 0.44 Ohms. At 60K and 100K over-temperature conditions, the motor's rated speed is 2500 RPM, with a torque of 16.6 Nm and 32.6 Nm, and voltages of 372 and 391 Volts respectively.
This motor’s shaft is designed in accordance with DIN 6885-1 and includes a shaft sealing ring. The motor weighs 45 kilograms, with a diameter of 130 millimeters and a length of 458 millimeters. Ideal operating conditions for the R911279912 (MHD112C-024-PP3-BN) include an altitude of 1000 meters, an ambient temperature range of 0-40 degrees Celsius with a safe transportation or storage temperature range from -20 to 80 degrees Celsius. The R911279912 (MHD112C-024-PP3-BN), cooled through natural convection, is intended for use in machine tools, handling and print machines amongst other industrial applications. Installation, commissioning, and maintenance of the motor should be done by trained personnel as advised by Bosch.
