Siemens Inverter 1. Micromaster 410,420,430,440,G110,120 series ... . Open-loop Our company has a good price for Simatic Siemens Inverter for MicroMaster 410,420,430,440 G110,120 Series ... .37 to 250 kW (0.5 to 350 HP) 500-600 V, ± 10%, 0.75 to 90 kW (1.0 to ...