1982.12

정전류 TIMER
(VR CONTORL TYPE)

1985.09

WELCOM- I TIMER
(MICOM TYPE)

1987.05

WELCOM- II TIMER
(MICOM TYPE)

1988.02

TROCON TIMER
(3-PHASE DC)

1988.06

WELCOM - III TIMER
(SEAM)

1996.09

WELCOM-200 TIMER
(TIMER+SCR CONTROLLER 일체형)

1997.01

WELCOM-250 TIMER
(TIMER+SCR CONTROLLER 일체형)

1998.07

WELCOM-230 TIMER
(PORTABLE TR 부착형)

1998.07

WELCOM-430 TIMER
(SEAM)

2002.06

WELCOM-500 TIMER
(COMPACT TYPE)

2006.03

WELCOM-600 TIMER
(TIMER+SCR CONTROLLER 일체형)

2006.06

WELCOM-800 TIMER
(INVERTER DC TYPE)

2007.05

WELCOM-900 TIMER
(INVERTER DC TYPE)

2010.10

WELCOM-1000 TIMER
(AHC CONTROL TYPE)

2015.01

WELCOM-810 TIMER
(1,000A급)

2015.05

WELCOM-820 HIGH CURRENT FOR PROJECTION WELDER
(2,000A급)