二、产品特点： 
 
     
 1、铸铝合金外壳，压铸成型表面喷塑。2、进出线口有多种方式及规格。3、进出线口螺纹可特制。4、钢管或电缆布线均可。
 
     
 三、主要技术参数
 
     
 
      
 
       
 
        
 
 额定电压
 
 
        
 
 额定电流
 
 
        
 
 
 
        
 
 进口螺纹
 
 
       
 
       
 
        
 
 380 V
 
 
        
 
 20 A
 
 
        
 
 
 
        
 
 G1/2 G 3/4 1" G 11/4
 
 G 11/2 G 2
 
 
       
 
      
 
     
 
     
 ﹒额定电压:220V/380V(如有特殊要求请注明)
 
     
 ﹒额定电流:20A (如有特殊要求请注明)
 
     
 ﹒进线口螺纹:G3/4(如有特殊要求请注明)
 
     
 
 
     
 ■安装、使用与维修
 
     
 ﹒安装前应检查本产品铭牌上所列基本数据是否与实际使用条件相符
 
     
 ﹒产品应可靠接地
 
     
 ﹒无论何种接线须将引入装置密封圈压。
 
     
 ﹒维修时必须切断前级电源后开盖
 
     
 
 
     
 ﹒海拔不超过2000m
 
     
 ﹒周围环境温度为-20～+400C
 
     
 ﹒周围空气相对湿度不大于95%
 
     
 ﹒在无显著摇动和冲出振动的地方
 
     
 □Installation usage, maintenance.
 
     
 ﹒Check the data before install it.
 
     
 ﹒Product should be link to ground.
 
     
 ﹒Cable should pressurized in to airproof quoit.
 
     
 ﹒cut off power before maintenance.
 
     
 ﹒In-build System and the rubber circle are made of oil-proof 3001, you
 
     
 should contact our factory if the airproof quoit is damaged.
 
     
 ﹒The altitude is not over2000m
 
     
 ﹒The environment temperature is-20～+400C
 
     
 ﹒The relative humidity of the air around the equipment is not over95%
 
     
 ﹒No distinct shaking,concussion and libration