Allen-Bradley 140U NFPA 79 Internal Rotary Installation Instructions

Allen-Bradley 140U NFPA 79 Internal Rotary is a rotary operating handle kit designed for use in industrial applications. It features a robust construction and is designed to meet the requirements of NFPA 79 for electrical safety. The kit includes a rotary mechanism, operating shaft, and mounting bracket.

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Allen-Bradley 140U NFPA 79 Internal Rotary Installation Instructions | Manualzz

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Key features

  • NFPA 79 Compliant
  • Rotary Mechanism
  • Operating Shaft
  • Mounting Bracket
  • Internal Installation
  • Safety Enclosure Recommended

Frequently asked questions

The operating shaft installation is explained in the document with step-by-step instructions and torque specifications for the screws.

The minimum operating shaft length depends on whether a bracket is used. The document specifies a minimum length of 374 mm (12-3/4 in) with a bracket and 239 mm (9-3/4 in) without a bracket.

The document provides the torque specifications for the screws used in the installation process, 0.7 - 0.9 Nm (6 - 8 lb-in) for the operating shaft and 0.9 - 1.1 Nm (8 - 10 lb-in) for the screws holding the rotary mechanism.
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