MITSUBISHI ELECTRIC Low-voltage Products
| 2011 | Launch sales of WS-V Series circuit breakers |  |
|---|---|---|
| 2006 | Launch sales of White & World Super Series circuit breakers | |
| 2004 | Launch sales of World Super AE Series low-pressure air circuit breakers | |
| Launch sales of small UL 489 Listed no-fuse circuit breakers and no-fuse earth leakage protection circuit breakers | ||
| 2001 | Launch sales of World Super Series, 30-225A frames | |
| 1998 | Launch sales of KC Series no-fuse earth leakage circuit breakers for power distribution and control boards. |  |
| 1997 | Acquired ISO 14001 (Environmental Management System) certification | |
| New lineup of 400-800A frames | ||
| Completed PROGRESSIVE SUPER SERIES | ||
| 1995 | New lineup of 30-225A frames | |
| Launch sales of PROGRESSIVE SUPER SERIES with 4 major functions built-in |  |
|
| 1994 | Acquired ISO 9001 (Product Quality System) certification | |
| 1993 | IC chip for high harmonic surge compatibility | |
| Launch sales of NEW Super Earth Leakage Alarm circuit breakers with built-in | ||
| 1991 | Launch sales of Super AE Series low-pressure air circuit breakers | |
| Launch sales of NEW Super NV Series with built-in IC chip for high harmonics and surge compatibility | ||
| 1990 | Launch sales of ultra current-limiting circuit breakers |  |
| 1989 | Launch sales of KB Series no-fuse circuit breakers and earth leakage circuit breakers for power distribution and control boards. | |
| 1988 | Launch sales of pre-alarm circuit breakers and alarm-type earth leakage circuit breakers | |
| 1987 | Launch sales of Super NV Series common-type voltage-sensitive circuit breakers | |
| Launch sales of Super SCRUM Series with built-in ETR | ||
| 1985 | Launch sales of Super SCRUM Series with built-in VJC |  |
| 1980 | Launch sales of Circuit Protector Remote Control | |
| 1979 | Launch sales of dual-voltage-type earth leakage circuit breakers | |
| 1977 | Launch sales of NV-ZU Series adjustable earth leakage circuit breakers | |
| Launch sales of earth leakage circuit breakers with built-in IC chips | ||
| Launch sales of SCRUM series |  |
|
| 1976 | Launch sales of electronic AE-type low-pressure air circuit breakers | |
| 1975 | Earth leakage circuit breaker series developed | |
| 1974 | Launch sales of MELNIC electronic no-fuse circuit breakers | |
| 1973 | Launch sales of adjustable earth leakage circuit breakers | |
| Launch sales of 3-way circuit breakers | ||
| 1971 | Launch sales of 3200A frame no-fuse circuit breakers |  |
| Launch sales of SCHAT+RU Perfect Series | ||
| 1970 | Launch sales of circuit breakers equipped with permanent fuses | |
| 1969 | Launch sales of earth leakage circuit breakers | |
| Launch sales of SCHAT Series | ||
| 1968 | Launch sales of air circuit breaker for ships |  |
| Launch sales of short time-delayed circuit breakers | ||
| 1967 | Launch sales of 2000A frame no-fuse circuit breakers | |
| 1965 | Launch sales of Tri-pack circuit breakers | |
| 1964 | Launch sales of 1000A frame no- fuse circuit breakers | |
| 1961 | Launch sales of circuit breakers with custom-ordered dimensions | |
| 1959 | Launch sales of motor circuit breakers | |
| 1954 | Launch sales of safety circuit breakers |  |
| 1952 | Launch sales of BH-type circuit breakers for electric light power distribution boards | |
| 1943 | Launch sales of de-ionized circuit breaker | |
| 1937 | Launch sales of 225A frame no-fuse circuit breaker | |
| 1936 | Launch sales of 100A frame no-fuse circuit breaker | |
| 1933 | Launch sales of first no-fuse circuit breaker in Japan |
