Industry:
- 全部
- OMRON / Omron
- PANASONIC / Panasonic
- HONGFA / Acer
- HKE / Harbour
- HK / Health Division
- Takamizawa
- SONGLE / Song Music
- TYCO / Tyco
- domestic
- OEG / Wang Li
- a positive start
- NEC
- SCHRACK
- CLION / Yan Tai
- FUJI / Fujitsu
- Ford
- NAIS
- TIANBO / skywave
- import
- TE / Schneider
- ARC / Cheng
- SONGCHUAN / Matsukawa
- CHINT / Chint
- FUJITSU
- / Fujitsu
- Panasonic
- ZETTLER / Zettler
- CRYDOM / Qantas
- other
- 全部
- Conversion type
- two open two closed
- normally open
- opening and closing
- four open four closed
- normally closed
- three open three closed
- two
- six open two closed
- other
