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The A903636SSFSN4 is a Type 4X enclosure manufactured by Hoffman Enclosures, Inc. Constructed from 304 stainless steel with a #4 brushed finish, it measures 90.06 inches in length, 36.06 inches in width, and 36.06 inches in depth. The unit features a single hinged door design with three-point latching and sealing mechanisms to ensure environmental protection. It is rated for NEMA 12, 13, IP66, and UL 508A standards, suitable for housing complex mounting configurations or large components in industrial settings.
Verify the specific model suffix against official nVent Hoffman documentation to confirm exact dimensional tolerances and finish specifications. Ensure compatibility with existing mounting infrastructure given the large footprint. Confirm that the single-door configuration meets access requirements for internal component maintenance. Cross-reference the NEMA and IP ratings with site-specific environmental hazard assessments before finalizing procurement.
Select this model when high corrosion resistance is required due to chemical exposure or harsh weather conditions. The stainless steel construction offers superior durability compared to painted steel alternatives. Consider the large internal volume for accommodating extensive wiring or multiple control devices. Verify that the single-door access pattern aligns with operational workflow and safety clearance needs in the installation area.
This component belongs to the nVent Hoffman Series A90 line of heavy-duty enclosures. It is designed for demanding industrial environments where standard enclosures may fail. The product series emphasizes robust construction and high ingress protection levels. It serves as a protective housing for critical electrical and electronic control systems in manufacturing and processing facilities.
Public confirmed substitute part numbers are not available in the provided documentation. Verify if other models within the A90 series offer similar dimensions or material properties. Consult manufacturer catalogs for alternative stainless steel enclosures with comparable NEMA 4X ratings.

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