RG Series Fuse Holders are formed with the fuse suppporter (fuse base) and the fuse carrier (handle). They are designed for working at a rated voltage up to 660VAC,50/60Hz,the rated thermal current is up to 100A. The products comply with IEC269 standard.They are widely used for protection against overload and short circuit in power distribution systems,and can also be used for power main disconnecting.