JUMO 709050 IPC IGBT Power Converter IPC 200A Operating Manual - Manual (Page 27)

IGBT Power Converter 200A [Patent No. EP1 126 591 B1] 02.08 27
4 Electrical connection
4.1.4 Replacing the two semiconductor fuses
h Disconnect (all poles) the converter from the voltage supply.
h Wait 1 minute to allow hazardous voltages to discharge.
h Check that no voltage is present on the screw terminals.
h Open the housing as described in Chapter 3.4.1 „Opening the housing“.
h Undo the 2 screws each for the left and right semiconductor fuse and take
the fuse out of its holder.
h Replace blown fuses with new ones and retighten the screws at a max.
tightening torque of 20 Nm.
h Remedy the cause that led to the semiconductor fuse tripping (e.g. earth
short in the power section).
h Only use original JUMO replacement parts, item No. 70/00434229.
v Chapter 2.3.2 „Required accessories“