Rockwell Automation 1771-WHF_WHFB Fused Field Wiring Arm Installation Instructions - Manual (Page 3)

Publication 1771-IN072B-EN-P - December 2004
Fused Field Wiring Arm Cat. No. 1771-WHF and -WHFB 3
4. Swing the wiring arm upward onto the module until the arm is secured
by the tab.
5. Connect field wiring as outlined in the installation data sheet included
with your particular output module.
Changing a Fuse on the
Fused Field Wiring Arm To change a fuse:
1. Remove power from the wiring arm.
2. Remove the fuse holder from the wiring arm as shown below:
3. Depending on the wiring arm, replace the fuse with the following:
• 1771-WHF - 3 A fuse from Allen-Bradley Fuse Pak, cat. no. 1771-FD or
Littelfuse 2AG 3 A, part. no. 225003
• 1771-WHFB - 1.5 A fuse from Allen-Bradley Fuse Pak, cat. no.
1771-FD2 or Littelfuse 2AG 1.5 A, part no. 22501.5
IMPORTANT
Make certain that you allow sufficient slack in the
wiring at the bottom of the field wiring arm so that
the wiring arm can pivot sufficiently on the
horizontal bar to allow module removal.
Fused field wiring arm
Install
Remove
Horizontal bar
Pivot the fuse holder
to the left and remove
from the wiring arm. Insert the bottom of
the fuse holder into
the bottom contact,
press firmly.
Pivot the fuse holder
to the right unitl it
rests against the right
arm wall.
Fuse holder
3a 3b
3c