Siemens 1FK7080-2AH71-1QB0 SIMOTICS S 1FK7-CT Synchronous Servo Motor 8Nm 4500rpm

The Siemens 1FK7080-2AH71-1QB0 is a SIMOTICS S 1FK7-CT synchronous servo motor rated 8 Nm continuous torque (M0 at 100K) at 4,500 rpm and 2.1 kW rated power, with a 600 V DC link voltage. It uses natural cooling, carries IP64 protection, and includes a Drive-CLiQ single-turn absolute encoder (20-bit), with a holding brake.

Technical Specifications

Selection Notes

This is the holding-brake version of the shaft-height-80, 8 Nm, 4,500 rpm 1FK7-CT winding: the integrated brake retains a vertical or overhauling load once drive power is removed, at the cost of extra mass over the brake-less version of the same winding. Choose it when the axis must hold position without power rather than relying on an external mechanical brake.

Applications

Fits synchronous servo axes needing 8 Nm at a 4,500 rpm base speed on the shaft-height-80 frame. The Drive-CLiQ encoder interface connects directly to Drive-CLiQ-enabled Siemens drive systems without separate encoder cabling.