Product Description:

The MDD090A-N-040-N2L-130GA2 is a synchronous motor built by Bosch Rexroth Indramat within the MDD Synchronous Motors series. Designed to pair with digital drive controllers, the unit converts controlled electrical power into rotational motion for positioning, conveying, and general machine-tool axes. Its compact A length code and standard housing help machine builders fit the motor into tight frames while keeping mounting dimensions consistent across the 90 mm frame class. Standard rotor balancing minimizes vibration during continuous operation.

The motor delivers a continuous standstill torque of 3.7 Nm, giving stable holding power for light to medium loads without additional gearing. When powered by a compatible inverter, it can reach a nominal speed of 4000 rpm, allowing rapid cycle times on short-stroke axes. A blocking brake integrated at the rear produces up to 11.0 Nm of static torque to secure vertical loads during power-off events. Installation is simplified by the 130 mm centering flange, which aligns the stator to the machine plate, and by electrical terminations placed on Side A of the housing so cables can be routed in line with adjacent devices. A keyed circular connector handles both power and encoder lines and supports simple connection without rewiring.

Dynamic position data is returned through digital servo feedback, enabling the drive to correct speed and angle within each control cycle. The frame identified by size code 090 offers consistent mounting points across the series, and the rotor is balanced to a standard grade for smooth running. A plain shaft is supplied at the front, and the rear side is closed because the shaft end is omitted on side B. Contaminants are kept out by a shaft seal, which helps extend bearing life in oil-mist environments. Standard housing surfaces, combined with the compact A length, leave clearance for adjacent modules while the connector orientation maintains a low profile.