公新機械供應壓力繼電器MJCS-03B-L,MJCS-03W-L。
具體型號：MJCS-02P-N,MJCS-02A-N,MJCS-02B-N,MJCS-02W-N,
MJCS-02P-L,MJCS-02A-L,MJCS-02B-L,MJCS-02W-L,
MJCS-02P-LL,MJCS-02A-LL,MJCS-02B-LL,MJCS-02W-LL,
壓力繼電器 
MJCS-03P-N,MJCS-03A-N,MJCS-03B-N,MJCS-03W-N,
MJCS-03P-L,MJCS-03A-L,MJCS-03B-L,MJCS-03W-L,
MJCS-03P-LL,MJCS-03A-LL,MJCS-03B-LL,MJCS-03W-LL,
特點：壓力繼電器MJCS-03B-L,MJCS-03W-L內藏微動開關，感應來自液壓系統的壓力，傳達電氣信號給電磁換向閥或電氣馬達，使其改變切換方向或警告關閉油路，以達到系統安全的效果。