Product Description:

The F1.SM.001-249F is a synchronous servo motor manufactured by KEB and supplied under the SM Synchronous Servo Motors series. Built for integration with KEB COMBIVERT inverters, the unit converts controlled electrical output into precise mechanical motion for industrial automation. It drives axes that must follow programmed position, speed, or torque profiles, including indexing tables, pick-and-place heads, and small press rams. The motor’s permanent-magnet design supports fast acceleration, repeatable stopping points, and low following errors in production machinery.

The motor has a terminal voltage rating of 330 V for the 400 V class with a 560 V DC bus, matching the rectified three-phase supplies commonly found in control cabinets. At a nominal speed of 2000 rpm, rotor position is continuously measured by the ERN 1387 sine/cosine encoder, enabling high-bandwidth servo loops and precise signal interpolation within the drive. The IP54 enclosure protects internal components against limited dust ingress and water splashes during routine cleaning. Heat generated under cyclic loads is removed through a self-cooling housing, avoiding the need for an external fan. The lack of forced airflow also reduces the movement of airborne contaminants around the motor housing.

Machine mounting is simplified by the B5 flange with IFT5 compatibility, whose pilot and bolt circle align with compatible gearbox and mounting-plate patterns. During standby or an emergency stop, a built-in holding brake clamps the shaft to maintain the axis position without continuous motor current. Power is transmitted through a shaft with a feather key, providing positive engagement with a coupling and preventing rotational slip under peak torque. Permanent magnets generate torque without relying on induced rotor currents, supporting high power density and low rotor inertia. This operating principle allows the motor to respond quickly to changing position, speed, and torque commands from the connected inverter.