APL-421N(选配Autonics PSN17-5DNU DC3线式12-24VDC NPN常开);
APL-422N(选配进口型倍加福接近式开关传感器Proximity switch sensor P&F NJ4-12GM-N NC 8.2vdc NJ4-12GM-N NAMUR本安防爆接近开关);
APL-423N(选配进口型倍加福接近式开关传感器Proximity switch sensor P&F NBB2-V3-Z4L 3.7-30vdc/24VDC);
APL-5N系列型号(防爆隔爆型 粉尘防爆型ExdIICT6/ExtDA21):
APL-510N(2SPDT机械式单刀双掷,可选国产品牌微动(晋煜ZINGEAR,图尔克TURCK,霍尼韦尔honeywell,欧姆龙OMRON等));
APL-513N(2SPST机械式单刀单掷,可选国产品牌微动);
APL-520N(国产型接近式开关传感器Proximity switch sensor 6-36VDC/24VDC,二线制,三线制NPN/PNP,NO常开型,NC常闭型,8.2VDC NAMUR本安防爆接近开关,可提供特殊电压定制服务)等;
APL-520N(选配进口型倍加福接近式开关传感器Proximity switch sensor P&F NJ2-V3-N NC 8.2vdc NAMUR本安防爆接近开关);
APL-523N(选配进口型倍加福接近式开关传感器Proximity switch sensor P&F NBB2-V3-Z4L 3.7-30vdc/24VDC);