LDB4OA

Overview

The LDB4OA is a 4-inch by 4-inch open adapter designed for wireway and square-duct applications. Manufactured by Hoffman Enclosures, Inc., this component features an N1 rating and is constructed from painted steel. It serves as a structural connector to facilitate the integration of electrical enclosures with conduit systems.

Feature Summary

• Provides a standardized connection interface between square ducts and enclosure cutouts
• Constructed from painted steel to ensure durability in industrial environments
• Designed specifically for use with N1 rated enclosure configurations

Applications

• Integration of wall-mounted enclosures with wireway systems
• Connection points for square duct routing in industrial panels
• Structural support for universal flange cutout installations

Procurement Notes

Verify part number accuracy against current nVent HOFFMAN catalogs. Confirm that the N1 rating meets specific facility requirements. Check availability status as the item may be discontinued or available only through special order channels. Ensure compatibility with existing duct dimensions before purchase.

Selection Notes

Select this adapter when connecting 4x4 inch square ducts to Hoffman Type 4 and 12 disconnect enclosures featuring universal flange cutouts. Ensure the installation environment aligns with N1 protection standards. Verify physical dimensions match the specific ductwork layout to maintain structural integrity and proper alignment during assembly.

Part Context

This component belongs to the Hoffman Enclosures product line, which specializes in electrical protection solutions. The LDB4OA functions as a critical accessory for assembling complete electrical distribution systems, ensuring secure mechanical connections between ductwork and protective housing units in commercial and industrial settings.

Replacement Considerations

Official sources indicate the LDB4OA has not been replaced. Contact customer care for availability. No direct substitute part numbers are publicly confirmed.