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The A51-1912HPL2 is a non-metallic modular polyester enclosure manufactured by Hoffman Enclosures, Inc. It features an opaque gray cover and measures 19.2 inches in height, 11.88 inches in width, and 6.89 inches in depth. The unit is rated NEMA 4X and includes a hinged door with two padlockable clamp-style latches. Designed for industrial environments, it serves as an insulated electrical junction box, terminal wiring box, instrument housing, or electrical control enclosure.
Verify the specific model suffix to ensure compatibility with required mounting configurations and latch types. Confirm that the non-metallic polyester construction meets the environmental resistance requirements of the installation site. Check for any accessory kits needed for panel mounting or internal component integration before finalizing procurement orders.
Select this model when corrosion resistance and dielectric strength are prioritized over metallic shielding. The NEMA 4X rating makes it suitable for washdown areas or outdoor installations where moisture and chemical exposure are concerns. Ensure the internal volume accommodates all components with adequate clearance for heat dissipation and wiring.
This part belongs to the APO H series of modular enclosures from Hoffman Enclosures. These units are designed for flexibility in industrial automation and control applications. The series offers various sizes and materials to suit different environmental and spatial constraints while maintaining consistent mounting standards across the product line.
No direct public substitute part numbers are confirmed for this specific model. When replacing, verify dimensional compatibility and NEMA rating equivalence. Consult manufacturer documentation for cross-reference lists regarding similar polyester enclosures with comparable latch mechanisms and ingress protection levels.

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