Allen-Bradley 140U NFPA 79 Internal Rotary Installation Instructions

Allen-Bradley 140U NFPA 79 Internal Rotary is a rotary operating handle designed for use with NFPA 79 compliant applications. This handle provides a secure and reliable way to control electrical equipment, featuring a robust design and easy installation. It is suitable for various industrial environments and offers flexibility in placement within an enclosure door. The handle is designed to ensure a full range of motion and includes clear instructions for proper installation and operation.

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

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Key Features

  • Rotary operating handle
  • NFPA 79 compliant
  • Secure and reliable control
  • Robust design
  • Easy installation
  • Flexible placement
  • Full range of motion

Frequently Answers and Questions

What is the purpose of the Allen-Bradley 140U NFPA 79 Internal Rotary handle?

This handle is designed to provide a secure and reliable way to control electrical equipment in applications that comply with NFPA 79 standards. It provides a robust and easy-to-install solution for various industrial environments.

How do I install the Allen-Bradley 140U NFPA 79 Internal Rotary handle?

The manual provides detailed instructions for installation, including cutting the shaft and tube to the proper length, attaching the handle to the enclosure door, and ensuring a full range of motion. It is important to disconnect the power source before installing or servicing the handle.

What torque values should I use when installing the Allen-Bradley 140U NFPA 79 Internal Rotary handle?

The manual specifies the torque values for different parts of the installation. For example, the handle assembly should be tightened to 2.0 - 2.25 Nm (18 - 20 lb-in), while the other screws should be tightened to 3.2 Nm (28 lb-in).
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