single-pole and three-pole design
rated voltage 12, 25 and 38.5 kV

These comply with the ČSN EN 60 694 standard and serve for the accommodation of fuses to the EN 60 282-1 standard, for rated currents within the range of 2A to 200 A, and for rated voltages of 12 kV; 25 kV and 38.5 kV.
The fuse holders feature small dimensions and low mass. Three-pole fuse holders may be equipped with remote mechanism to indicate the fuse tripping.