Siemens SIRIUS 3RT2026-1AV00 is a size S0 power contactor — built for motor switching in control panels up to 750 AC-3 operations per hour. The 45 mm width and screw-type main terminals (1–10 mm² solid/stranded) fit standard DIN rail layouts per DIN EN 60715. A built-in auxiliary switch saves an extra add-on slot.
Mounts on 35 mm DIN rail using the integrated screw and snap-on latch. Clearance: 10 mm upwards, downwards, and forwards; 6 mm at the sides. Accepts 1–10 mm² solid or stranded main conductors, or 2×(0.5–1.5 mm²) / 2×(0.75–2.5 mm²) for fine strands. Coil terminals are screw-type as well. Operating temperature range –25 to +60 °C; storage –55 to +80 °C.