一、适用范围
　　◆爆炸性气体环境：1区、2区
　　◆场所中危险气体或蒸汽：IIA、IIB、IIC
　　◆温度组别：T1-T6
　　◆户内、户外(IP54、可按用户要求达到IP65）

Applying scope
　　◆Explosive gas atmopheres:Zone 1&2
　　◆Dangerous gases or vapors zone:IIA、IIB、IIC
　　◆Temperature classes:T1-T6
　　◆Indoor and outdoor(IP54,IT could be designed as IP65 according to user's requirments.)

二、型号含义 Type designation

三、主要技术参数Specification

额定电压 Rated voltage (V)	额定电流 Rated current (A)	使用类别 Utilization category	防护等级 Degree of protection	防腐等级 Degree of corrosion	进线口螺纹 Inlet thread size	电缆外径 Cable dia. (mm)
380/220	5、10、15、20	AC1、 AC3	IP54*IP65	W、WF1、WF2	立式Pole:G25或特制 Pole:G25 or Specially Made 挂式Ceiling:G20或特制 Ceiling:G10 or Specicially Made 桥架式Rack:G20或特制 Rack:G20 or Specially Made	G25/Φ10-Φ18 G20/Φ18-Φ12

*可按用户要求达到IP65。It could be designed as IP65 according to use's requirements.

四、产品特点
　　◆铸铝合金外壳，表面喷塑。
　　◆内装转换开关、电流表、按钮、指示灯等。
　　◆可配无源指示灯，以便夜晚观察数据。
　　◆开关取代按钮，一孔代多孔，一窗取代多窗。
　　◆30多种功能，270多个规格。
　　◆开孔少，功能多，防爆可靠性好，安全系数高。
　　◆安装方式：挂式、桥架式、立式。
　　◆电流表量程由用户指定，可选广角度表、过载电流表、数显表、电压表、转速表等。
　　◆可根据用户要求特制。
　　◆钢管布线或电缆布线，电缆布线须配电缆夹紧密封接头。

Features:
　　◆Enclosure is made of casting aluminum alloy,surface is sprayed with plastics.
　　◆Built-in rotary switch,button,ampere meter,indicating lamp etc.
　　◆For observation of data at night,it could be equipped with indicating lamp without power source.
　　◆Switch replaces button,single hole replaces multiple,single window replaces multi windows.
　　◆With more than 30 functions and 270 specifications.
　　◆More reliable and safety due to less holes and more functions.
　　◆Mounting form could be ceiling,rack pole and others.
　　◆User may select a range of ammeter and another such as wideangle meter,ammeter with overload,digital display meter,voltmeter and tachometer.
　　◆For user's requiremenets,it could be specially made.
　　◆Wiring with conduit or cable or cable.For cable,it should be fitted with explosion protected cable seal gland.