R911283913 (MDD090B-N-040-N2M-110PA0)

MDD Synchronous Motors

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The Bosch Rexroth MDD AC motor, identified as model number R911283913 (MDD090B-N-040-N2M-110PA0), is a highly advanced piece of automation technology. This digital drive-compatible motor features a size of 90 with length B, operating at 4000 Revolutions per Minute (RPM) and weighing approximately 18 kg. Ideal for precision tasks and synchronized functions, the motor is often used with grinding machines due to its low inertia attributed to its use of high-powered, permanent magnets made from rare-earth materials or iron oxide. This motor boasts a brushless design with lifetime greased bearings, allowing for maintenance-free operation. It has an IP rating, meaning it can function efficiently in harsh conditions without impact from moisture or oil. The unit comes with pre-prepared cables for simplified installation and a keyway-equipped drive shaft as per DIN 6885. Key specifications include a max current of 95.3 Amperes, theoretical peak torque of 38.3 Nm, and winding inductance of 2.6 mH. The motor integrates an overload sensor to prevent overheating damage and does not possess a holding brake.