Product Description

The Bosch Rexroth MDD112D-N-020-N2L-180GA0 is a digital servo motor. Its housing has a standard design. The motor supports convection cooling and surface cooling. Natural convection relies on flow of ambient air over the motor housing. Surface cooling relies on flow of air from a cooling fan or a blower over the surface of the motor housing. Surface cooling dissipates more heat than natural convection. As a result the motor delivers higher levels of output torque and current with surface cooling. The continuous torque at standstill is 38 Nm with natural convection and 57 Nm with surface cooling. The continuous current at standstill is 43.8 Amps with natural convection and 65.8 Amps with surface cooling. The thermal time constant is 120 minutes with natural convection and 90 minutes with surface cooling.

The MDD112D-N-020-N2L-180GA0 does not have a holding brake. Its weight is 59 kilograms. The theoretical maximum torque is 134.8 Nm. The peak motor current is 166.4 Amps. The torque constant at 20 degrees Celsius is 0.87 Nm/A. The windings resistance at 20 degrees Celsius is 0.18 Ohms. The windings inductance is 2.7 millihenry. The motor delivers rated output as along as the ambient temperature is between 0 and 45 degrees Celsius. Unused MDD motors should be kept in storage where the ambient temperature is between -20 and 80 degrees Celsius. The maximum permitted installation elevation is 1000 meters above mean sea level. Rated speed of the MDD112D-N-020-N2L-180GA0 motor is 2000 RPM. The motor has a plain shaft. The power connection is on side A of the housing. The MDD112D-N-020-N2L-180GA0 motor supports digital servo feedback and its centering diameter is 180 millimeters. The hosing is painted with black prime coat (RAL 9005).