Product Description
The Bosch Rexroth MHD112D-027-NG0-BN is a MHD series industrial servo motor. It has a maximum speed of 3000 RPM. The rated motor speed is 2000 RPM and the characteristic motor speed is 3000 RPM. The performance specifications vary with the cooling method used and the operating conditions. With natural convection at 60K overtemperature, the rated speed is 2000 RPM, the rated torque is 27.3 Nm, the rated current is 12.7 Amps, the rated power output is 6.9 kilowatts and the rated voltage is 319 Volts. With natural convection at 100K overtemperature the rated speed is 2000 RPM, the rated torque is 41.5 Nm, the rated current is 20.7 Amps, the rated power output is 11.3 kilowatts, and the rated voltage is 331 Volts. With surface cooling, the rated speed is 2000 RPM, the rated torque is 59.2 Nm, the rated current is 27.6 Amps, the rated power output is 15.2 kilowatts and the rated voltage is 344 Volts.
The rated motor frequency for all cooling methods and operating conditions is 133 Hertz. The thermal time constant is 90 minutes with natural convection at 60/100K overtemperature, and 40 minutes with surface cooling. The servo motor mass is 56 kilograms. Degree of protection provided by the sealed motor housing is IP65. The MHD112D-027-NG0-BN supports digital servo feedback and has a plain shaft with a sealing ring. The motor is supplied without a holding brake. Optional holding brakes are available for MHD motors and can be specified at the time of equipment ordering. The motor power connector is on side B. The MHD112D-027-NG0-BN is a flange mounted device. Size of the flange on the MHD112D-027-NG0-BN is 192 millimeters.