Siemens 3RW4026-1BB14 Soft Starter 25A 200-480VAC 110-230VDC

Siemens 3RW4026-1BB14 is a SIRIUS soft starter, size S0, designed for starting 3-phase motors with controlled ramping and reduced inrush. It is rated for 25 A continuous current and 11 kW at 400 V, and it supports a wide input range of 200–480 VAC with a control supply of 110–230 V (AC or DC). The compact module uses screw terminals for wiring and carries an ambient temperature rating of 40 °C. It includes an integrated bridging contact system to streamline wiring inside control panels, along with motor overload protection, thermistor motor protection, external reset capability, and adjustable current limiting for tailoring start-up performance to the application, making it suitable for standard motor-control tasks.