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NI USB-622x/625x/628x OEM User Guide 16 ni.com
Replacing Fuses
USB-622x/625x/628x OEM devices have a replaceable T 2A 250V
(5 × 20 mm) fuse that protects the device from overcurrent through the
power connector.
(USB-628x Devices Only) USB-628x OEM devices also have a replaceable
F 2A 125V fuse that protects the device from overcurrent through the +5 V
terminal(s).
Replacement fuse information can be found in Table 2. To replace a broken
fuse in USB-622x/625x/628x OEM devices, complete the following steps.
1. Power down and unplug the device.
2. Replace the broken fuse while referring to Figure 13 for the fuse
locations.
Figure 13. USB-622x/625x/628x OEM Fuse Locations
1 T 2A 250V (5 x 20 mm) Fuse
2F 2A 125V Fuse on USB-628x OEM Devices
2
1