Panel Fit and Ratings
The Siemens 3RT2026-1AK60 is a current-production power contactor in the S0 frame size, 45 mm wide for DIN-rail mounting via screw or snap-on on 35 mm rail. Solid or stranded wire from 1 to 10 mm² connects to the screw-type main contacts; auxiliary contacts accept twin wires down to 0.5 mm². Mechanical life is 10 million operations typical, and the contactor handles up to 750 switching cycles per hour under AC-3 motor duty. Operating temperature range is -25 to +60 °C; storage extends to -55 to +80 °C.