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The Hoffman Enclosures AST4403R is a steel enclosure designed for industrial applications, featuring a gray finish and a hinged door configuration. It provides environmental protection rated at NEMA 12 and IP66 standards, ensuring resistance to dust, dirt, and dripping non-corrosive liquids. The unit is constructed from durable steel material and includes a standard hinge mechanism for secure access. This model serves as a protective housing for electrical components in demanding environments.
Verify the specific mounting configuration and internal layout requirements against the official Hoffman Enclosures datasheet for part number AST4403R. Confirm that the NEMA 12/IP66 rating aligns with the intended environmental exposure conditions. Ensure compatibility with any required internal accessories or mounting rails before finalizing procurement specifications.
Select this model when a robust steel enclosure with high ingress protection is required for industrial settings. Consider the physical dimensions and weight capacity if heavy components will be installed. Evaluate the need for additional accessories such as gaskets or hinges if enhanced sealing or durability is necessary beyond the standard configuration.
Hoffman Enclosures manufactures a wide range of industrial enclosures under various series. The AST4403R belongs to their line of steel enclosures designed for general industrial use. These products are typically distributed through authorized electronic component distributors and industrial supply channels worldwide.
Publicly confirmed substitute part numbers for the Hoffman Enclosures AST4403R are not available in the provided documentation. Users should consult the manufacturer's cross-reference guide or contact technical support directly for verified alternative models.

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