Product Description:

The SF-A4.0230.030-10.053 is a synchronous servo motor built by Bosch Rexroth Indramat within the SF Servo Motors series. Designed for closed-loop industrial axes, it converts commanded current into controlled torque and speed for positioning tables, packaging lines, and pick-and-place actuators. It connects to a compatible Indramat drive controller through dedicated power, brake, and feedback leads so the controller can adjust torque in response to motion commands. This arrangement supports repeatable motion during frequent starts, stops, and direction changes in automated equipment.

Electrically, the motor reaches a rated speed of 3000 rpm when supplied from a DC bus of 670 V. Its locked-rotor characteristics set start-up demands: the shaft can deliver 22 Nm while the drive must supply 14 A to overcome standstill inertia. A torque constant of 1.57 Nm/A links armature current to developed torque, which helps the drive respond predictably to command changes. The stator terminals accept a 4 x 2.5 mm² motor cable, and the brake winding uses a 2 x 1.5 mm² pair, helping with cable selection for the power and brake circuits. The motor uses IM B5 flange mounting for direct installation on machine faces, gearboxes, or similar drive components.

The shaft can withstand an axial thrust of 154 N without reducing bearing life, and the housing is rated IP67 to keep out dust and tolerate temporary immersion during washdown cleaning. During transport or installation, the unit tolerates shocks up to 6 g, while the rotor inertia of 54 × 10⁻⁴ kg·m² affects how quickly the axis can accelerate and decelerate. Maximum ambient operating temperature is 40 °C, and airborne noise does not exceed 58 dB(A) at nominal load. The inertia value is also important when acceleration ramps are set for the axis inside enclosed machinery.