Integrator note
The Siemens SIRIUS 3RT2027-1AF00 is a size S0 power contactor, 45 mm wide on a 35 mm DIN rail, with screw-type main and coil terminals. It includes a built-in auxiliary switch and has a depth of 97 mm.
Mounting and environment
Mount on vertical DIN rail (screw or snap-on per EN 60715). Rotate ±180°, tilt ±22.5° on vertical surface. Clearance: 10 mm upwards/downwards, 6 mm sideways. Ambient -25 to +60 °C, storage -55 °C. Size S0 leaves room for overload relay without extra hardware.