KROHNE UFM 530 HT EN - Manual (Page 56)

7
SERVICE
56
UFM 530 HT
www.krohne.com 12/2013 - 4002393201- HB UFM 530 HT R02 en
7.1.2 Replacing the mains fuse
Fuse specification
The fuse should not blow normally unless a problem has developed in the instrument. Try to
determine and correct the cause of the blown fuse before you replace it. The main fuse can only
be reached by removing the complete electronics from the housing as explained in the previous
section. Then proceed as follows:
DANGER!
For continued fire protection or protection against other damage replace the old fuse only with a
fuse specified in this section.
Dimensions 5 x 20 mm (miniature cartridge fuse)
Rated current 230 VAC power supply: 800 mA
24 VACDC power supply: 1.25 A
Characteristic Time delay (T)
Rated voltage 250 V
Breaking capacity 1500 A (ceramic body fuse, high breaking capacity)
Standard IEC 60127-2
Approvals UL and OR CSA, VDE, SEMKO, BSI
Figure 7-5: Removing fuse
1 Find the location of the fuse at the power supply board (in this example the 230 VAC version is shown).
2 Pull out the fuse and replace it.
INFORMATION!
The reassembling takes place in the reverse order.