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The Hoffman Enclosures AS300SS is a stainless steel enclosure hole seal designed for sealing conduit openings, pushbutton holes, and knockout openings. It accommodates a maximum hole diameter of 3.62 inches and is suitable for conduit holes up to 3 inches in size. The unit features a polished front surface and a 16-gauge stainless steel backplate. It provides protection against dust, dirt, oil, and water, ensuring a tight seal on enclosure walls up to 0.31 inches thick.
Verify the specific part number AS300SS matches the required 3-inch conduit application and 3.62-inch maximum hole diameter. Confirm that the material specification aligns with the need for 304 stainless steel construction. Ensure the enclosure wall thickness does not exceed the supported limit of 0.31 inches for proper installation and sealing performance.
Select this component when a durable, corrosion-resistant seal is required for large conduit or knockout openings. The stainless steel construction offers superior durability compared to plastic alternatives. Consider the polished finish for aesthetic consistency if the front surface remains visible after installation. Verify compatibility with existing mounting hardware requirements.
This item belongs to the Hoffman Hol-Sealers product line, specifically the Hol-Tite series. These seals are engineered to provide environmental protection for electrical enclosures. The AS300SS variant addresses larger opening sizes commonly found in industrial control panels and outdoor equipment housings requiring robust sealing capabilities.
Public confirmed substitute part numbers are not available in the provided documentation.
AS300SS
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