The product identified by T40004RT3 and UPC 078275118133 is an Intermatic T40004RT3 100 A Load Center with a built-in 300W transformer and T104M time switch mechanism. This unit serves as an all-in-one electrical control center for pool and spa installations. 

Key Features

• All-In-One Control Power: Combines a load center, time clock, and low-voltage transformer into a single enclosure, which reduces installation costs and complexity.
• Built for Pool/Spa Applications: The NEMA 3R enclosure is specifically designed to be rainproof and suitable for direct connection to wet-niche or no-niche luminaires (pool lights).
• Expandable: Features eight breaker spaces and room to house additional Intermatic mechanisms (like freeze protection or two-speed pump controls), allowing for future system expansion.
• Easy to Wire: Designed for straightforward installation with multiple knockouts for various conduit connections. 

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