Siemens 1FK7042-2AF71-1RG2 Servo Motor

Siemens 1FK7042-2AF71-1RG2 is a SIMOTICS S-1FK7 synchronous servo motor rated at 0.82 kW with a nominal torque of 3 Nm at 3,000 rpm, designed for natural cooling (IM V1, IM V3) and DE flange mounting. It operates from a 600 V DC bus and features a rotatable power connector plus a high‑resolution absolute encoder AM20DQI that provides 20-bit position data plus 12-bit multiturn, communicating via DRIVE-CLiQ. The motor uses a smooth shaft with tolerance class N and is specified without an integrated holding brake. Protection is IP65, offering dust and water‑jet resistance suitable for many industrial environments, while the DE flange configuration supports compatibility with common 1FK7 mounting interfaces. As part of Siemens’ SIMOTICS S family, this model delivers precise closed‑loop motion control for automation tasks requiring reliable torque at mid-range loads, compact form factor, and robust encoder feedback.