Extremely High Interrupting Rating Fuses:
Protection of Power Semiconductors according
to IEC 269. and EN 60269-.4
500-690V Voltage Rating (Rating 20 to 400A)
gR Class (gRB Ratings 20 to 125A) According to
VDE 636-23. -Full range protection -Improving safety and protection -Allows selective coordination
aR Class (URB Ratings 75 to 400A) According to
VDE 636-23 and IEC 269.4
Two models according to BS 88-4 and EN 60
269.4 Standards: Z3 Drawing (74mm Between
Axes) External open fuse with and without indicator