Getting Started 24
4.2 Fuse Requirements and Replacements
An AC input fuse is necessary when powering the instrument. All models in the HVL series require a
Time delay low breaking capacity 5A/250V (T 5A L 250V).
For safety, no power should be applied to the instrument while
changing line voltage operation. Disconnect all cables connected
to the instrument before proceeding.
1. Locate the fuse box next to the AC input connector in the rear panel. (See gure 3.4)
2. Insert a small athead screwdriver into the fuse box slit to pull and slide out the fuse box.
3. Check and replace fuse if necessary. (See gure 4.1)
Figure 4.1 Fuse Removal
Any disassembling of the case or changing the fuse not performed
by an authorized service technician will void the warranty of the
instrument.
Hazardous voltages may exist at the outputs and the load connections
when using a power supply with a rated output greater than 60 V.
To protect personnel against accidental contact with hazardous
voltages, ensure that the load and its connections have no accessible
live parts. Ensure that the load wiring insulation rating is greater
than to the maximum output voltage of the power supply.
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