APL-410N系列参数说明：
VLSI series Explosionproof
MODEL:APL-410N;
LIMIT SWITCH BOX
valve monitor use in bazardous locations
Micro switch certification
ENclosure Explosionproof GYB 081043
Rating IP65 SPDT-MAX 250V/AC or DC 10A/250 VAC
10A/24VDC 0.3A/250VDC
Exd IIB T6
ITS-300系列参数说明：
MOdel:ITS300,SWITCHES:2XSPDT
RATINGS:16A 1/2HP 125/250VAC,0.A 125VDC,0.3A 250VDC IP67;
EXDiICT6
SLS-J90-2W/ALS-200D磁性感应开关参数说明：
MAGNETIC S&D SWITCH
SLS-J90-2W/ALS-200D DOUBLE SENSOR
DC/AC5~240V 300mA 10W