8-7/8 INCH W X 4-3/4 INCH D X 16-7/8 INCH H SIZE; CSA (CANADA AND US) APPROVAL; POOL/SPA EQUIPMENT, LIGHTS APPLICATION; 240 VAC AT 60 HZ VOLTAGE RATING; NEMA 3R ENCLOSURE
From the Manufacturer
The T20000R Series Control Panels features an all-weather enclosure and contain a 4 circuit breaker base, an equipment grounding bar and a mechanical time switch mechanism. The circuit breaker base accepts interchangeable type breakers made by a several manufacturers. In addition, the enclosure has provision for installing additional switches or GFCI receptacles on the side and inside.