R911278653 (MDD090C-N-040-N2M-110PB1)

MDD Synchronous Motors

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The R911278653 (MDD090C-N-040-N2M-110PB1) is an AC servo motor designed for integration with digital drive controllers in industrial automation. It features a nominal speed of 4000 min⁻¹, continuous torque at standstill of 10.4 Nm, and operates at a maximum current of 145 A, with a winding inductivity of 1.6 mH. The rotor's moment of inertia is 53 × 10⁻⁴ kg·m². A blocking brake with a holding torque of 6.5 Nm, clamping delay of 60 ms, and release delay of 20 ms is included. The unit incorporates a standard housing and a keyway shaft with a shaft seal, a centering diameter of 110 mm, and connection direction on side B via connector type. Motor feedback is provided by an integrated multiturn absolute encoder using digital servo feedback (DSF). The unmounted weight is 23 kg. The exterior has a black primer coating, and any additional paint applied must not exceed 40 µm in thickness. To minimize electromagnetic emissions, power supply channels must be fully covered and the motor power connector grounded using PG threaded joints.