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The Hoffman G280646G219 is a Spectracool indoor/outdoor panel mount air conditioner designed for NEMA 1/2/3/3R/4/12/13 and IP65/IP66 rated enclosures. It operates on 400/460 VAC at 50/60 Hz with current draws of 1.7/1.9 A. This unit provides 6,000 BTU cooling capacity specifically engineered to manage thermal loads in industrial control environments while maintaining enclosure integrity against environmental contaminants.
Verify the specific voltage configuration (400V vs 460V) required for your installation site before ordering. Confirm that the enclosure mounting cutout dimensions align with the unit's physical specifications. Ensure the selected model meets the necessary NEMA or IP rating for your operational environment to guarantee proper sealing and safety compliance.
Select this unit when passive cooling is insufficient for high-density electronic loads. Consider the ambient temperature extremes of the installation site to ensure adequate cooling margin. Verify phase requirements match the facility power distribution system. Evaluate the need for integrated heating functions if sub-zero operating temperatures are anticipated during non-cooling seasons.
This component belongs to the nVent HOFFMAN Spectracool series, which specializes in precision climate control for electrical enclosures. The product line focuses on reliability and durability for harsh industrial settings. It complements Hoffman's broader range of protective enclosures by providing essential thermal regulation capabilities.
Cross-reference mounting hole patterns and overall dimensions with existing units. Verify electrical compatibility including voltage, frequency, and phase requirements. Ensure the replacement maintains the same cooling capacity and ingress protection ratings as the original specification.

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