1988 Copany funding in Warsaw
1989 Design of low power UPS for computer applications
1990 Start of the production of 16kVA off-line UPS for hospitals
1991 Start of the production of on-line UPS
1992 First battery charger in IGBT technology
1993 Design of  UPS in fail-safe technology
1994 First over 100kW battery charger in IGBT technology
1995 Design of the first active filter
1996 First traction converter incorporating IGBT technology
1997 Obtaining military certificate for battery chargers
1998 Obtaining ISO9001 certificate
1999 Design of 30kW AC/DC power supply module
2000 Design of 1000kVA inverter, applied as active filter system
2001 The Economic Award of the President of Poland for the Best Small Polish Enterprise
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 Design of the traction vehicle control system
2008 Start of production of propulsion systems of the power up to 4000kW