方型，□20×38mm
通用参数：
标准检测体(铁)  50×50×1t
环境温度  -25℃~+70℃
防护等级  IP66
出线方式  1.2米引线

工作电压  13-30VDC
具体型号：
LJC20M-3003PK   (3mm\200mA\PNP常开)
LJC20M-3003PH   (3mm\200mA\PNP常闭)
LJC20M-3003PT   (3mm\200mA\PNP常开+常闭)
LJC20M-3003NK   (3mm\200mA\NPN常开)
LJC20M-3003NH   (3mm\200mA\NPN常闭)
LJC20M-3003NT   (3mm\200mA\NPN常开+常闭)
LJC20M-3003DK   (3mm\50mA\直流二线常开)
LJC20M-3003DH   (3mm\50mA\直流二线常闭)

LJC20M-3003DC   (3mm\50mA\直流二线开闭可选)
LJC20-3005PK   (5mm\200mA\PNP常开)
LJC20-3005PH   (5mm\200mA\PNP常闭)
LJC20-3005PT   (5mm\200mA\PNP常开+常闭)
LJC20-3005NK   (5mm\200mA\NPN常开)
LJC20-3005NH   (5mm\200mA\NPN常闭)
LJC20-3005NT   (5mm\200mA\NPN常开+常闭)
LJC20-3005DK   (5mm\50mA\直流二线常开)
LJC20-3005DH   (5mm\50mA\直流二线常闭)

LJC20-3005DC   (5mm\50mA\直流二线开闭可选)