R911277757
The R911277757 (MHD090B-035-NG0-UN) is a reputable motor model crafted by Bosch Rexroth Indramat, famed for their emphasis on quality and customer-focused engineering solutions. This motor distinguishes itself with its versatile cooling mechanism, which can alternate between natural, surface, or liquid modes to ensure optimal temperature management and high performance. The over-temperature ranges from 60K to 100K across all cooling methods.
The motor operates at a steady speed of 2500 min-1, while its continuous torque stands between 12 -13.5 Nm for natural cooling and 16.5Nm for surface cooling. At standstill, the continuous current is 11A -12.5A for natural cooling and 16.5 A with surface cooling. With a peak current capacity of 49.5A, the motor runs at 20 °C, has a torque constant of 1.22Nm/A, voltage constant of 111.0 V/1000min-1, winding resistance of 1.88 Ohms, and winding inductivity of 15.5mH. Efficient with 4 pole pairs, the motor has a rated torque ranging from 7.2 Nm -10.2 Nm for natural cooling and 15.0Nm for surface cooling, and a rated speed of 3000 min-1. The rated current measures 4.7-6.7A under natural cooling and 9.7A for surface cooling.
