磁感接近式:ALS-500QA:APL-430,NTS-E-27(2个磁感开关),NTS-E-27(3个磁感开关)
德国P+F倍加福本安Exia IICT6,8V开关:ALS-500PP: ULS-421,APL-420N,APL-422N,APL-420L,NTS-E-21 ,ALS-400M2L-N12低温零下40度防爆阀位开关aphe,SED行程开关(Limit Switch Box)型号:ALS100-S TYPE:MECHANICAL SWITCHES/2SPOT VOLTAGE AC:250V3,LB5200MR 防爆DPDT接线盒阀位开关