90-250VAC磁性接近开关LJ18-4008PK又称无触点接近开关，是理想的电子开关量传感器。当金属检测体接近开关的感应区域，开关就能无接触，无压力、无火花、迅速发出电气指令，准确反应出运动机构的位置和行程，即使用于一般的行程控制，其定位精度、操作频率、使用寿命、安装调整的方便性和对恶劣环境的适用能力，是一般机械式行程开关所不能相比的。它的主要工作原理是利用电磁场的能量,非接触式地检测物体的存在与否或以微电子技术的应用为核心,正出色而深刻地推动了各个工业领域的技术进步和现代化。在我国,发展机电一体化技术的重要性和越性,也越来越广泛地被人们所认识,电工系统的许多单位和广大工程技术人员在应用开发机电一体化产品方面做了不少努力,在此,仅以工业自动化控制中应用颇广的集成化接近开关为例,从一个侧面来看机电一体化电器产品的发展前景。

产品特点：
1、 响应频率
2、重复定位精度
3、 输出波形纯净、性能稳定
4、带工作状态指示
5、稳定、可以在油污、粉尘、振动和温差大的恶劣环境中可靠工作
6、 可以设置多重保护功能：反向极性保护，浪涌电压保护和过热保
7、 多种工作模式：常开、PNP输出
接近开关是一种具有机械运动部件不直接接触，能对位置的开关操作，当物体接近感应开关表面一定的距离，不需要机械接触，也不需要任何压力就能使开关动作，从而驱动直流电或给电脑（PLC）装置提供控制指令。接近开关是开关型传感器的一种（即无触点开关），它既有行程开关特性，同时也具有传感器的性能，性能稳定可靠，频率响应快，使用寿命长，抗干扰能力强等，并具有防水、防腐蚀、防震的特点。

主营产品：接近开关 、光电开关、双向拉绳开关、两级跑偏开关、打滑开关、速度开关、限位开关、声光报警器、气缸磁性开关、防爆磁性接近开关、倾斜开关、纵向撕裂开关、井筒磁开关、热电偶溜槽堵塞开关、矿用防爆电气、电厂输煤系统。

公司主营:接近开关|光电开关|永磁感应器|双向拉绳开关|两级跑偏开关|打滑检测器|磁开关|电厂输煤系统传感器等七大类、50个系列、2000多种规格。厂家
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LJA71-2415GK-G、LJA71-2415GH-G、LJA71M-4010GK-G、LJA71M-4010GH-G、LJA71-4015GK-G、LJA71-4015GH-G、LJC12-3004PK、LJC12-3004PH、LJC12-3004NK、LJC12-3004NH、LJC12-3004DK、LJC12-3004DH、LJD30M-3005PK、LJD30M-3005PH、LJD30M-3005PT、LJD30M-3005NK、LJD30M-3005NH、LJD30M-3005NT、LJD30M-3005DK、LJD30M-3005DH、LJD30-3008PK、LJD30-3008PH、LJD30-3008PT、LJD30-3008NK、LJD30-3008NH、LJD30-3008NT、LJD30-3008DK、LJD30-3008DH、LJA45M-3005PK、LJA45M-3005PH、LJA45M-3005PT、LJA45M-3005NK、LJA45M-3005NH、LJA45M-3005NT、LJA45M-3005DK、LJA45M-3005DH、LJA45-3008PK、LJA45-3008PH、LJA45-3008PT、LJA45-3008NK、LJA45-3008NH、LJA45-3008NT、LJA45-3008DK、LJA45-3008DH、LJA45M- 2405GK、LJA45M-2405GH、LJA45-2408GK、LJA45-2408GH、LJA11M-3002PK-G、LJA11M-3002PH-G、LJA11M-3002PT-G、LJA11M-3002NK-G、LJA11M-3002NH-G、LJA11M-3002NT-G、LJA11M-3002DK-G、LJA11M-3002DH-G、LJA11-3004PK-G、LJA11-3004PH-G、LJA11-3004PT-G、LJA11-3004NK-G、LJA11-3004NH-G、LJA11-3004NT-G、LJA11-3004DK-G、LJA11-3004DH-G、LJA41M-3005PK-G、LJA41M-3005PH-G、LJA41M-3005PT-G、LJA41M-3005NK-G、LJA41M-3005NH-G、LJA41M-3005NT-G、LJA41M-3005DK-G、LJA41M-3005DH-G、LJA41-3008PK-G、LJA41-3008PH-G、LJA41-3008PT-G、LJA41-3008NK-G、LJA41-3008NH-G、LJA41-3008NT-G、LJA41-3008DK-G、LJA41-3008DH-G、LJA41M- 2405GK-G、LJA41M-2405GH-G、LJA41-2408GK-G、LJA41-2408GH-G、LJA41M-4005GK-G、LJA41M-4005GH-G、LJA41-4008GK-G、LJA41-4008GH-G、LJA41M-3005PK-G、LJA41M-3005PH-G、LJA41M-3005PT-G、LJA41M-3005NK-G、LJA41M-3005NH-G、LJA41M-3005NT-G、LJA41M-3005DK-G、LJA41M-3005DH-G、LJA41-3008PK-G、LJA41-3008PH-G、LJA41-3008PT-G、LJA41-3008NK-G、LJA41-3008NH-G、LJA41-3008NT-G、LJA41-3008DK-G、LJA41-3008DH-G、LJA41M- 2405GK-G、LJA41M-2405GH-G、LJA41-2408GK-G、LJA41-2408GH-G、LJA41M-4005GK-G、LJA41M-4005GH-G、LJA41-4008GK-G、LJA41-4008GH-G、LJC18C-3005PK、LJC18C-3005PH、LJC18C-3005NK、LJC18C-3005NH、LJC18C-3005DK、LJC18C-3005DH、LJD21M-3002PK、LJD21M-3002PH、LJD21M-3002NK、LJD21M-3002NH、LJD21M-3002DK、LJD21M-3002DH、LJD21-3004PK、LJD21-3004PH、LJD21-3004NK、LJD21-3004NH、LJD21-3004DK、LJD21-3004DH、LJD28DM-3002PK、LJD28DM-3002PH、LJD28DM-3002NK、LJD28DM-3002NH、LJD28DM-3002DK、LJD28DM-3002DH、LJD28D-3004PK、LJD28D-3004PH、LJD28D-3004NK、LJD28D-3004NH、LJD28D-3004DK、LJD28D-3004DH、LJC18D-3005PK、LJC18D-3005PH、LJC18D-3005NK、LJC18D-3005NH、LJC18D-3005DK、LJC18D-3005DH、LJD29M-3002PK、LJD29M-3002PH、LJD29M-3002NK、LJD29M-3002NH、LJD29M-3002DK、LJD29M-3002DH、LJD29-3004PK、LJD29-3004PH、LJD29-3004NK、LJD29-3004NH、LJD29-3004DK、LJD29-3004DH、LJD28M-3002PK、LJD28M-3002PH、LJD28M-3002NK、LJD28M-3002NH、LJD28M-3002DK、LJD28M-3002DH、LJD28-3004PK、LJD28-3004PH、LJD28-3004NK、LJD28-3004NH、LJD28-3004DK、LJD28-3004DH、LJE42M-3015PK、LJE42M-3015PH、LJE42M-3015PT、LJE42M-3015NK、LJE42M-3015NH、LJE42M-3015NT、LJE42M-3015DK、LJE42M-3015DH、LJE42M-3015DC、LJE42-3020PK、LJE42-3020PH、LJE42-3020PT、LJE42-3020NK、LJE42-3020NH、LJE42-3020NT、LJE42-3020NT、LJE42-3020DK、LJE42-3020DH、LJE42-3020DC、LJE42M- 2415GK、LJE42M-2415GH、LJE42-2420GK、LJE42-2420GH、LJC17-3005PK、LJC17-3005PH、LJC17-3005NK、LJC17-3005NH、LJC17-3005DK、LJC17-3005DH、LJE120-3070PK、LJE120-3070PH、LJE120-3070PT、LJE120-3070NK、LJE120-3070NH、LJE120-3070NT、LJE120-3070DK、LJE120-3070DH、LJE120-3070DC、LJE120-3070DJ、LJE120-2470GK、LJE120-2470GH、LJE120-4070GK、LJE120-4070GH、LJE120-2470GJ、LJC18-3005PK、LJC18-3005PH、LJC18-3005NK、LJC18-3005NH、LJC18-3005DK、LJC18-3005DH、LJA41M-3005PK、LJA41M-3005PH、LJA41M-3005PT、LJA41M-3005NK、LJA41M-3005NH、LJA41M-3005NT、LJA41M-3005DK、LJA41M-3005DH、LJA41-3008PK、LJA41-3008PH、LJA41-3008PT、LJA41-3008NK、LJA41-3008NH、LJA41-3008NT、LJA41-3008DK、LJA41-3008DH、LJA41M- 2405GK、LJA41M-2405GH、LJA41-2408GK、LJA41M-4005GK、LJA41M-4005GH、LJA41-4008GK、LJA41-4008GH、LJE48M-3015PK、LJE48M-3015PH、LJE48M-3015PT、LJE48M-3015NK、LJE48M-3015NH、LJE48M-3015NT、LJE48M-3015DK、LJE48M-3015DH、LJE48M-3015DC、LJE48-3020PK、LJE48-3020PH、LJE48-3020PT、LJE48-3020NK、LJE48-3020NH、LJE48-3020NT、LJE48-3020DK、LJE48-3020DH、LJE48-3020DC、LJE48M- 2415GK、LJE48M-2415GH、LJE48-2420GK、LJE48-2420GH、LJE48M-4015GK、LJE48M-4015GH、LJE48-4020GK、LJE48-4020GH、LJE80-3050PK、LJE80-3050PH、LJE80-3050PT、LJE80-3050NK、LJE80-3050NH、LJE80-3050NT、LJE80-3050DK、LJE80-3050DH、LJE80-3050DC、LJE80-3050DJ、LJE80-2450GK、LJE80-2450GH、LJE80-4050GK、LJE80-4050GH、LJE80-2450GJ、LJE35M-3010PK、LJE35M-3010PH、LJE35M-3010NK、LJE35M-3010NH、LJE35M-3010DK、LJE35M-3010DH、LJE35-3015PK、LJE35-3015PH、LJE35-3015NK、LJE35-3015NH、LJE35-3015DK、LJE35-3015DH、LJE210-30120PK、LJE210-30120PH、LJE210-30120PT、LJE210-30120NK、LJE210-30120NH、LJE210-30120NT、LJE210-30120DK、LJE210-30120DH、LJE210-30120DC、LJE210-30120DJ、LJE210-24120GK、LJE210-24120GH、LJE210-40120GH、LJE210-24120GJ、LJE55M-3020PK、LJE55M-3020PH、LJE55M-3020PT、LJE55M-3020NK、LJE55M-3020NH、LJE55M-3020NT、LJE55M-3020DK、LJE55M-3020DH、LJE55M-3020DC、LJE55-3025PK、LJE55-3025PH、LJE55-3025PT、LJE55-3025NK、LJE55-3025NH、LJE55-3025NT、LJE55-3025DK、LJE55-3025DH、LJE55-3025DC、LJE55M- 2420GK、LJE55M-2420GH、LJE55-2425GK、LJE55-2425GH、LJE55M-4020GK、LJE55M-4020GH、LJE55-4025GK 、LJE55-4025GH、LJG55M-3020PK-A、LJG55M-3020PH-A、LJG55M-3020NK-A、LJG55M-3020NH-A、LJG55M-3020DK-A、LJG55M-3020DH-A、LJG55-3025PK-A、LJG55-3025PH-A、LJG55-3025NK-A、LJG55-3025NH-A、LJG55-3025DK-A、LJG55-3025DH-A、LJG55M- 2420GK-A、LJG55M-2420GH-A、LJG55-2425GK-A、LJG55-2425GH-A、LJG55M-4020GK-A、LJG55M-4020GH-A、LJG55-4025GK-A、LJG55-4025GH-A、LJG30M-3010PK-A、LJG30M-3010PH-A、LJG30M-3010PT-A、LJG30M-3010NK-A、LJG30M-3010NH-A、LJG30M-3010NT-A、LJG30M-3010DK-A、LJG30M-3010DH-A、LJG30-3015PK-A、LJG30-3015PH-A、LJG30-3015PT-A、LJG30-3015NK-A、LJG30-3015NH-A、LJG30-3015NT-A、LJG30-3015DK-A、LJG30-3015DH-A、LJG30M- 2410GK-A、LJG30M-2410GH-A、LJG30-2415GK-A、LJG30-2415GH-A、LJG30M-4010GK-A、LJG30M-4010GH-A、LJG30-4015GK-A、LJG30-4015GH-A、LJD34M-3005PK、LJD34M-3005PH、LJD34M-3005PT、LJD34M-3005NK、LJD34M-3005NH、LJD34M-3005NT、LJD34M-3005DK、LJD34M-3005DH、LJD34-3008PK、LJD34-3008PH、LJD34-3008PT、LJD34-3008NK、LJD34-3008NH、LJD34-3008NT、LJD34-3008DK、LJD34-3008DH、LJE25M-3007PK、LJE25M-3007PH、LJE25M-3007NK、LJE25M-3007NH、LJE25M-3007DK、LJE25M-3007DH、LJE25-3010PK、LJE25-3010PH、LJE25-3010NK、LJE25-3010NH、LJE25-3010DK、LJE25-3010DH、LJE140-3080PK、LJE140-3080PH、LJE140-3080PT、LJE140-3080NK、LJE140-3080NH、LJE140-3080NT、LJE140-3080DK、LJE140-3080DH、LJE140-3080DC、LJE140-3080DJ、LJE140-2480GK、LJE140-4080GK、LJE140-4080GH、LJE140-2480GJ、LJD20M-3002PK、LJD20M-3002PH、LJD20M-3002NK、LJD20M-3002NH、LJD20M-3002DK、LJD20M-3002DH、LJD20-3004PK、LJD20-3004PH、LJD20-3004NK、LJD20-3004NH、LJD20-3004DK、LJD20-3004DH、LJE100-3060PK、LJE100-3060PH、LJE100-3060PT、LJE100-3060NK、LJE100-3060NH、LJE100-3060NT、LJE100-3060DK、LJE100-3060DH、LJE100-3060DC、LJE100-3060DJ、LJE100-2460GK、LJE100-2460GH、LJE100-4060GK、LJE100-4060GH、LJE100-2460GJ、LJG54M-3020PK-A、LJG54M-3020PH-A、LJG54M-3020PT-A、LJG54M-3020NK-A、LJG54M-3020NH-A、LJG54M-3020NT-A、LJG54M-3020DK-A、LJG54M-3020DH-A、LJG54M-3020DC-A、LJG54-3025PK-A、LJG54-3025PH-A、LJG54-3025PT-A、LJG54-3025NK-A、LJG54-3025NH-A、LJG54-3025NT-A、LJG54-3025DK-A、LJG54-3025DH-A、LJG54-3025DC-A、LJG54M- 2420GK-A、LJG54M-2420GH-A、LJG54-2425GK-A、LJG54-2425GH-A、LJG54M-4020GK-A、LJG54M-4020GH-A、LJG54-4025GK-A、LJG54-4025GH-A、LJD58M-3020PK-A、LJD58M-3020PH-A、LJD58M-3020PT-A、LJD58M-3020NK-A、LJD58M-3020NH-A、LJD58M-3020NT-A、LJD58M-3020DK-A、LJD58M-3020DH-A、LJD58M-3020DC-A、LJD58-3025PK-A、LJD58-3025PH-A、LJD58-3025PT-A、LJD58-3025NK-A、LJD58-3025NH-A、LJD58-3025NT-A、LJD58-3025DK-A、LJD58-3025DH-A、LJD58-3025DC-A、LJD58M- 2420GK-A、LJD58M-2420GH-A、LJD58-2425GK-A、LJD58-2425GH-A、LJD58M-4020GK-A、LJD58M-4020GH-A、LJD58-4025GK-A、LJD58-4025GH-A、LJF20-3020PK、LJF20-3020PH、LJF20-3020PT、LJF20-3020NK、LJF20-3020NH、LJF20-3020NT、LJF20-3020DK、LJF20-3020DH、LJF20-2420GK、LJF20-2420GH、LJF15-3015PH、LJF15-3015PK、LJF15-3015PT、LJF15-3015NK、LJF15-3015NH、LJF15-3015NT、LJF15-3015DK、LJF15-3015DH、LJF15-3015DC、LJF15-2415GK、LJF15-2415GH、LJF15-4015GK、LJF15-4015GH、LJD84-3040PK-A、LJD84-3040PH-A、LJD84-3040PT-A、LJD84-3040NK-A、LJD84-3040NH-A、LJD84-3040NT-A、LJD84-3040DK-A、LJD84-3040DH-A、LJD84-3040DC-A、LJD84-3040DJ-A、LJD84-2440GK-A、LJD84-2440GH-A、LJD84-4040GK-A、LJD84-2440GJ-A、LJD84-4040GH-A、LJF10-3010PK、LJF10-3010PH、LJF10-3010PT、LJF10-3010NK、LJF10-3010NH、LJF10-3010NT、LJF10-3010DK、LJF10-3010DH、LJF10-2410GK、LJF10-2410GH、LJF10-4010GK、LJF10-4010GH、LJF5-3003PK、LJF5-3003PH、LJF5-3003NK、LJF5-3003NH、LJF5-3003DK、LJF5-3003DH、LJF6-3006PK、LJF6-3006PH、LJF6-3006NK、LJF6-3006NH、LJF6-3006DK、LJF6-3006DH、LJF3F-3003PK、LJF3F-3003PH、LJF3F-3003NK、LJF3F-3003NH、LJF3-3003PK、LJF3-3003PH、LJF3-3003NK、LJF3-3003NH、LJG41M-3015PK-A、LJG41M-3015PH-A、LJG41M-3015PT-A、LJG41M-3015NK-A、LJG41M-3015NH-A、LJG41M-3015NT-A、LJG41M-3015DK-A、LJG41M-3015DH-A、LJG41M-3015DC-A、LJG41-3020PK-A、LJG41-3020PH-A、LJG41-3020PT-A、LJG41-3020NK-A、LJG41-3020NH-A、LJG41-3020NT-A、LJG41-3020DK-A、LJG41-3020DH-A、LJG41-3020DC-A、LJG41M- 2415GK-A、LJG41M-2415GH-A、LJG41-2420GK-A、LJG41-2420GH-A、LJG41M-4015GK-A、LJG41M-4015GH-A、LJG41-4020GK-A、LJG41-4020GH-A、LJD79-3040PK、LJD79-3040PH、LJD79-3040PT、LJD79-3040NK、LJD79-3040NH、LJD79-3040NT、LJD79-3040DK、LJD79-3040DH、LJD79-3040DC、LJD79-3040DJ、LJD79-2440GK、LJD79-2440GH、LJD79-4040GK、LJD79-4040GH、

LJD79-2440GJ、LJD80-3040PK、LJD80-3040PH、LJD80-3040PT、LJD80-3040NK、LJD80-3040NH、LJD80-3040NT、LJD80-3040DK、LJD80-3040DH、LJD80-3040DC、LJD80-2440GK、LJD80-2440GH、LJD80-4040GK、LJD80-4040GH、LJD80-2440GJ、LJD26M-3005PK、LJD26M-3005PH、LJD26M-3005PT、LJD26M-3005NK、LJD26M-3005NH、LJD26M-3005NT、LJD26M-3005DK、LJD26M-3005DH、LJD26-3008PK、LJD26-3008PH、LJD26-3008PT、LJD26-3008NK、LJD26-3008NH、LJD26-3008NT、LJD26-3008DK、LJD26-3008DH、LJD39M-3007PK-G、LJD39M-3007PH-G、LJD39M-3007PT-G、LJD39M-3007NK-G、LJD39M-3007NH-G、LJD39M-3007NT-G、LJD39M-3007DK-G、LJD39M-3007DH-G、LJD39-3010PK-G、LJD39-3010PH-G、LJD39-3010PT-G、LJD39-3010NK-G、LJD39-3010NH-G、LJD39-3010NT-G、LJD39-3010DK-G、LJD39-3010DH-G、LJD39M- 2407GK-G、LJD39M-2407GH-G、LJD39-2410GK-G、LJD39-2410GH-G、LJD39M-4007GK-G、LJD39M-4007GH-G、LJD39-4010GK-G、LJD39-4010GH-G、LJD59M-3020PK-A、LJD59M-3020PH-A、LJD59M-3020PT-A、LJD59M-3020NK-A、LJD59M-3020NH-A、LJD59M-3020NT-A、LJD59M-3020DK-A、LJD59M-3020DH-A、LJD59M-3020DC-A、LJD59-3025PK-A、LJD59-3025PH-A、LJD59-3025PT-A、LJD59-3025NK-A、LJD59-3025NH-A、LJD59-3025NT-A、LJD59-3025DK-A、LJD59-3025DH-A、LJD59-3025DC-A、LJD59M- 2420GK-A、LJD59M-2420GH-A、LJD59-2425GK-A、LJD59-2425GH-A、LJD59M-4020GK-A、LJD59M-4020GH-A、LJD59-4025GK-A、LJD59-4025GH-A、LJG50M-3015PK-A、LJG50M-3015PH-A、LJG50M-3015NK-A、LJG50M-3015NH-A、LJG50M-3015DK-A、LJG50M-3015DH-A、LJG50-3020PK-A、LJG50-3020PH-A、LJG50-3020NK-A、LJG50-3020NH-A、LJG50-3020DK-A、LJG50-3020DH-A、LJG50M- 2415GK-A、LJG50M-2415GH-A、LJG50-2420GK-A、LJG50-2420GH-A、LJG50M-4015GK-A、LJG50M-4015GH-A、LJG50-4020GK-A、LJG50-4020GH-A、LJA21M-3003PK-G、LJA21M-3003PH-G、LJA21M-3003PT-G、LJA21M-3003NK-G、LJA21M-3003NH-G、LJA21M-3003NT-G、LJA21M-3003DK-G、LJA21M-3003DH-G、LJA21-3005PK-G、LJA21-3005PH-G、LJA21-3005PT-G、LJA21-3005NK-G、LJA21-3005NH-G、LJA21-3005NT-G、LJA21-3005DK-G、LJA21-3005DH-G、LJA21M- 2403GK-G、LJA21M-2403GH-G、LJA21-2405GK-G、LJA21-2405GH-G、LJG81-3040PK-A、LJG81-3040PH-A、LJG81-3040PT-A、LJG81-3040NK-A、LJG81-3040NH-A、LJG81-3040NT-A、LJG81-3040DK-A、LJG81-3040DH-A、LJG81-3040DC-A、LJG81-2440GK-A、LJG81-2440GH-A、LJG81-4040GK-A、LJG81-4040GH-A、LJC44M-3015PK、LJC44M-3015PH、LJC44M-3015PT、LJC44M-3015NK、LJC44M-3015NH、LJC44M-3015NT、LJC44M-3015DK、LJC44M-3015DH、LJC44M-3015DC、LJC44M-3015DJ、LJC44-3020PK、LJC44-3020PH、LJC44-3020PT、LJC44-3020NK、LJC44-3020NH、LJC44-3020NT、LJC44-3020DK、LJC44-3020DH、LJC44-3020DC、LJC44-3020DJ、LJC44M- 2415GK、LJC44M-2415GH、LJC44-2420GK、LJC44-2420GH、LJC44M-4015GK、LJC44M-4015GH、LJC44-4020GK、LJC44-4020GH、LJC44M-2415GJ、LJC44-2420GJ、LJA01M-3001PK-G、LJA01M-3001PH-G、LJA01M-3001NK-G、LJA01M-3001NH-G、LJA01M-3001DK-G、LJA01M-3001DH-G、LJA01-3002PK-G、LJA01-3002PH-G、LJA01-3002NK-G、LJA01-3002NH-G、LJA01-3002DK-G、LJA01-3002DH-G、LJD19M-3005PK、LJD19M-3005PH、LJD19M-3005PT、LJD19M-3005NK、LJD19M-3005NH、LJD19M-3005NT、LJD19M-3005DK、LJD19M-3005DH、LJD19-3008PK、LJD19-3008PH、LJD19-3008PT、LJD19-3008NK、LJD19-3008NH、LJD19-3008NT、LJD19-3008DK、LJD19-3008DH、LJG31M-3010PH-G、LJG31M-3010NK-G、LJG31M-3010NH-G、LJG31M-3010DK-G、LJG31M-3010DH-G、LJG31-3015PK-G、LJG31-3015PH-G、LJG31-3015NK-G、LJG31-3015NH-G、LJG31-3015DK-G、LJG31-3015DH-G、LJF12-3010PK、LJF12-3010PH、LJF12-3010PT、LJF12-3010NK、LJF12-3010NH、LJF12-3010NT、LJF12-3010DK、LJF12-3010DH、LJF12-2410GK、LJF12-2410GH、LJF12-4010GK、LJF12-4010GH