Industry:
- 全部
- Two open two closed
- conversion type
- four open four closed
- normally open type
- opening and closing
- three open three closed three opening and closing
- normally closed
- four
- three open two closed
- four open two closed
- two open
- an open three closed octavo
- other
- 全部
- OMRON / Omron
- TE / Schneider
- IDEC / Izumi
- domestic
- PANASONIC / Panasonic
- Wade Miller
- SIEMENS / Siemens
- FINDER / Fender
- FUJI / Fuji
- CHINT / Chint
- HONGFA / Acer
- import
- Honeywell Seoul
- positive start
- ABB
- SCHRACK
- XJ / XJ
- DELIXI / West Germany
- ARC / Cheng
- Tengen
- LG
- P & B
- TISH / Tianshui
- KACON / Kaikun
- other
