B&K Precision 9171-9174 - Manual - Manual (Page 31)

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Table 1- Input Fuse Table
Model 115 V AC 230 V AC
9171 2.5 A 1.25 A
9172 2.5 A 1.25 A
9173 4 A 2 A
9174 4 A 2 A
9181 3.15 A 1.6 A
9182 5 A 2.5 A
9183 4 A 2 A
9184 4 A 2 A
9185 4 A 2 A
Note: All fuses listed have the specifications: T250V, slow
blow (slow acting), 5 x 20mm.
2.2 Line Voltage Selection
The power supplies can be selected to operate with 115V input or
230 V input. To ensure that your instrument is properly configured to
operate at the desired AC line voltage, please follow the steps below:
CAUTION:
For safety, no power should be applied to the
instrument while changing line voltage operation.
Disconnect all cables connected to the instrument
before proceeding.