Replacing a Fuse

NI DC Power Supply & SMU

Replacing a Fuse

Refer to the following table for user-replaceable fuse ratings and manufacturer information for the NI PXI-4130.

Input/Output Fuse Rating Description Recommended Manufacturer Part Number
Channel 0 (F1) F 1.5 A 125 V User-replaceable chip fuse Littelfuse 045301.5
Auxiliary Power Input T 6.3 A L 250 V User-replaceable 5 x 20 mm glass fuse Littelfuse 21806.3

To replace a fuse on the NI PXI-4130, complete the following steps:

  1. Shut down the chassis.
  2. Disconnect all output and auxiliary power connections.
  3. Remove the NI PXI-4130 from the chassis.
  4. Identify the fuse you want to replace using the following figure.

    1 Output Channel Fuse (Channel 0)
    2 Auxiliary Input Fuse
  5. Remove the fuse.
    • (Output channel fuse) Using small pliers, gently pull the fuse to release it from the fuse holder.
    • (Auxiliary input fuse)
      1. Using a flathead screwdriver, turn the fuse holder cap counter-clockwise to release it from the NI PXI-4130 front panel.
      2. Gently pull the auxiliary power input fuse to release it from the fuse holder cap.
  6. Install the replacement fuse.
    • (Output channel fuse) Using small pliers, gently place the replacement fuse into the fuse holder.
    • (Auxiliary input fuse) Slide the replacement fuse into the fuse holder cap, and screw the cap clockwise to replace it on the NI PXI-4130 front panel.