The Bosch R911251216 (MDD090A-N-040-N2L-110GA0) is a servo motor from the MDD series, with a standard-designed, frame size of 090 and a frame length of A. You have the option to use either surface cooling or natural convection for its cooling while operating. Surface cooling offers a higher torque and current output with parameters of 5 Nm and 12.7 Amps of continuous current at standstill and a thermal time constant of 30 minutes. Natural convection offers parameters of 3.7 Nm and 9.4 Amps of continuous current at standstill and a 45 minutes thermal time constant. The motor can achieve a nominal speed of 4000 RPM, and it supports a digital servo feedback enabling installation with a servo controller. Its power cable connects to a socket on side A of the motor housing. The Bosch R911251216 (MDD090A-N-040-N2L-110GA0) model has a plain shaft and lacks a blocking brake. Its centering diameter is 110mm with an IP65 protection rating, making it resistant to dust and low-pressure water jets.
Frame Size: 090 Frame Length: A Housing Design: Standard Cooling Method Options: Natural Convection or Surface Cooling Nominal Motor Speed: 4000 RPM Feedback System: Digital Servo Feedback Shaft Type: Plain Blocking Brake: Not Featured Centering Diameter: 110 millimeters Protection Rating: IP65 End User Requirements: Trained and Experienced Personnel Approved Accessories: Yes, by Bosch only