额定电压：440/250V　AC
工作频率：50/60Hz
试验电压（1分钟）：线至线1500V DC 
                   线至地1500V  AC/2500V DC        
范围温度：-25~85℃
绝缘电阻：线至地（300A以下）≥1500MΩ

    The product has a good ability of interference suppression, can be used for data processing system, telecommunicati*ystem, frequency converter and power purification needs strong interference suppressor equipment etc.

Rated voltage: 440/250 v AC

Operating frequency: 50/60 hz

Testing voltage (1 minute) :phase to phase:1500DC

                               Phase to Ground1500V AC/2500V DC

Temperature range: -25 ~ 85 ℃

Insulation Resistance: the wire to the ground below (300 A) <*n>≥<*n>1500 MΩ