low voltage fuse Switch

LV Fuse Switch(400A 500V) with standard IEC60947-1
1.Creepage distance more than 32mm
2.Brown color porcelain.
3.Dry withstand voltage 2500V/60sec,leakage current less than 15mA
4.Insulation resistance 2500VDC more than 10Mohm.
5.PRECISE symbol shall be white color