SIEMENS 3RW4037-1BB05 – 3RW40 soft starters | JUAL SIEMENS 3RW4037-1BB05 – 3RW40 soft starters – SIRIUS soft starter S2 63 A, 37 kW/500 V, 40 °C 400-600 V AC, 24 V AC/DC Screw terminals | Automation technology > Industrial controls > Switching devices > Soft starters and solid-state switching devices > SIRIUS 3RW soft starters > Basic performance soft starter > 3RW40 soft starters > 3RW4037-1BB05