BK Precision 9130B

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2.2 Fuse Requirements
An AC input fuse is necessary when powering the instrument. The below table shows the fuse
required for all models operating with either 110V AC or 220V AC input.
Table 2.1 - Fuse Table
Model
Fuse Specification (110V AC)
Fuse Specification (220V AC)
9130B
6.3A 250V
3.15A 250V
9131B
10A 250V
5A 250V
9132B
10A 250V
5A 250V
2.3 Line Voltage Selection
The power supplies can be selected to operate with 110 V input or 220 V input. To ensure that
your instrument is properly configured to operate at the desired AC line voltage, please follow
the steps below:
For safety, no power should be applied to the
instrument while changing line voltage operation.
Disconnect all cables connected to the instrument
before proceeding.
Step 1 - Check and/or Change Fuse
- Locate the fuse box next to the AC input connector in the rear panel (see Figure 2)
- With a small flat blade screwdriver, insert into the fuse box slit to pull and slide out the fuse
box as indicated below.
- Check and replace fuse (if necessary) for the desired line voltage operation (see Table 1 -
Fuse Table).
Figure 5 - Fuse replacement
Fuse box slit
Fuse box
Check/Remove Fuse
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