3131 Surface Mount Circuit Breaker EnclosureSurface mount option for mounting single and double pole circuit breakersSurface mount box for mounting single and double pole circuit breakersAccepts A-Series toggle and A and C-Series Flat Rocker Circuit BreakersAccommodates optional LEDs and square format labelsWire glands and fasteners are includedWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.