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