Product Description:

Bosch Rexroth Indramat manufactures the MMD042A-030-EG0-CN, a compact member of the MMD Synchronous Motors series. The unit is a permanent-magnet synchronous motor used for light positioning axes, pick-and-place stations, and other automation duties that demand tightly regulated motion under digital servo control. It mounts directly to machinery, links to a drive through an incremental encoder channel, and delivers closed-loop performance without adding excessive mass to the moving structure.

The motor can sustain a continuous standstill torque of 1.3 Nm, letting it hold loads without overheating, and it accelerates to a theoretical speed of 5000 min⁻¹ for short moves beyond its nominal rating. Output power reaches 400 W when the 030 winding is energized from a 230 V inverter. Position feedback is provided by an encoder that delivers 2,500 increments per revolution, supporting fine velocity loops. A centering diameter of 50 mm and a 70 mm square flange align the housing with gearboxes or machine plates. The plain 14 mm shaft carries loads through frictional clamping, and the design is supplied without a holding brake, so vertical axes require external locking. Motor length code A keeps the frame short, while the winding pattern minimizes copper losses and heat rise.

Short-term overload capacity reaches a maximum theoretical torque of 3.36 Nm, and dynamic response is helped by a rotor inertia of 0.37 × 10⁻⁴ kg·m². The enclosure is rated IP65, so internal components remain protected from dust and low-pressure water jets, and a shaft sealing ring blocks lubricant migration into the feedback cavity. Installation is permitted up to 1000 m above sea level, with reliable operation maintained at working or storage humidity up to 85%. At 1.6 kg, the motor adds minimal load to linear slides, and its plain shaft, shaft sealing ring, and incremental feedback make it suited to compact, washdown-tolerant handling equipment.