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.
Advertisement
Advertisement
Advertisement
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.