Allen-Bradley Fused Field Installation Instructions

Allen-Bradley Fused Field wiring arms provide individual output circuit protection while allowing for easy fuse replacement. Available in two versions, 1771-WHF and 1771-WHFB, both are interchangeable with the 1771-WH field wiring arm. The 1771-WHF uses a 3A fuse per output, while the 1771-WHFB uses a 1.5A fuse per output. Ensure sufficient clearance for installation and properly connect field wiring based on the output module installation data.

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Allen-Bradley Fused Field Wiring Arm Manual | Manualzz

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Key features

  • Individual output circuit protection
  • Easy fuse replacement
  • Interchangeable with 1771-WH
  • Two versions: 3A and 1.5A
  • Maximum continuous current: 2.0A or 1.1A
  • Requires more clearance than standard arm

Frequently asked questions

1. Remove power from the wiring arm. 2. Remove the fuse holder from the arm. 3. Replace the fuse with the appropriate fuse from the correct Allen-Bradley Fuse Pak or Littelfuse equivalent. 4. Replace the fuse holder in the arm. 5. Reapply power to the wiring arm.

The maximum continuous current for the 1771-WHF is 2.0A per fuse.

The 1771-WHF uses a 3A fuse for each output, while the 1771-WHFB uses a 1.5A fuse for each output.
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