Replacing Fuses; Maintenance - Benning IT 120 B Kurzanleitung

Maintenance

4. Maintenance

4.1 Replacing fuses

- F1
M 0.315 A / 250 V, 20 x 5 mm, T.Nr.: 757211
T his fuse protects internal circuitry of lowΩ resistance function if test probes are connected to
the mains supply voltage by mistake.
- F2, F3
F 4 A / 500 V, 32 x 6.3 mm, T.Nr.: 757212
General input protection fuses of test terminals L/L1 and N/L2.
Warning:
-  Disconnect any measuring accessory and power off the BENNING IT 120 B before
opening battery/fuse compartment cover, hazardous voltage inside.
- Replace blown fuse with original type only, otherwise the BENNING IT 120 B may be
damaged and/or operator's safety impaired.
Legend:
1 Fuse F1
2 Fuse F2
3 Fuse F3
4 Serial number label, a further serial number label is located outside next to the information label
5 Battery cells (size AA)
6 Battery holder
Battery and fuse compartment
29
Replacing fuses
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