The Siemens 3RT1926-2FL31 is a SIRIUS auxiliary switch with a clip-on fastening method, designed to mount directly onto a SIRIUS contactor or similar device. It provides an adjustable on-delay timer function, settable from 5 to 100 s via a potentiometer, with a recovery time of 150 ms. Rated thermal current I_th is 3 A. Accepts solid or stranded wire from 18 to 14. Operating temperature range is -25 to +60 °C; storage and transport -40 to +85 °C. Mounts in any position, pollution degree 3, basic insulation. Dimensions: 33 mm wide, 46 mm high, 73 mm deep.
Sourcing & Lifecycle
The 3RT1926-2FL31 is an active-production part. For a spare that fits the SIRIUS contactor range, this is the standard SKU. Quoted to order, lead time varies by quantity.