Siemens 1FK7032-2AF21-1QB0 SIMOTICS S 1FK7-CT 1.2 Nm 3000 rpm Servo Motor

Siemens 1FK7032-2AF21-1QB0 SIMOTICS S 1FK7-CT servo motor delivers 1.2 Nm standstill torque and 0.31 kW rated power at 3000 rpm on a 300 V DC link. It is a 6-pole design with 1.6 A rated current, IP64 protection, a 20-bit single-turn absolute encoder (AS20DQI) with a DRIVE-CLiQ interface, and an integrated holding brake.

Technical Specifications

Selection Notes

This is the holding-brake version of the 300 V, 3000 rpm 1FK7032-CT variant: the brake adds mass over the non-brake motor, raising rotor inertia to 0.750 kgcm² and lowering shaft torsional stiffness to 4,100 Nm/rad. Choose it for vertical or gravity-loaded axes that must hold position without drive power; where the axis is horizontal or an external holding mechanism already exists, the non-brake version is lighter and stiffer. Against the 600 V / 6000 rpm siblings in this frame, this 300 V variant suits converters and mains supplies limited to the lower DC-link voltage, at the cost of top speed.

Applications

1.2 Nm at 3000 rpm with a holding brake suits small vertical pick-and-place axes, indexing tables, and light conveyor drives in machine-tool and packaging cells where the axis must stay in position when the servo drive is de-energized.