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1988 Foundation of company in Warsaw 1989 Design of low power UPS for computer applications 1990 Started production of off-line 16kVA UPS for hospitals 1991 Started production of on-line UPS 1992 First battery chargers incorporating IGBT technology 1993 Design of Uninterruptible Power System with fail-safe technology 1994 First battery chargers over 100KW incorporating IGBT technology 1995 Design the first Active Harmonic Filter 1996 First traction converter incorporating IGBT technology 1997 Obtained military certificate for power supplies 1998 Obtained ISO9001 certificate 1999 Design of 30kW AC/DC power module 2000 Design of 1000kVA inverter, operating in the Active Harmonic Filter system 2001 The President's of The Republic of Poland Economic Award 2002 Started production of fast static-transfer-switches series SS/SSN/SST/SSTN 2003 Started production of high power traction converters compatible with UIC standard 2004 Started production of propulsion systems up to 1200kW 2005 First asynchronous 3 kV drive 2006 First asynchronous 2MW drive 2007 Development of control system for traction vehicle
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