Product Description UNIVERSAL MINI TYPE; POWDER COATED STEEL (ENCLOSURE) MATERIAL; 2 INCH W X 2.5 INCH D X 3 INCH H SIZE; UL 1950, UL (CANADA AND US), CSA, NOM 057 APPROVAL; STRUCTURED MEDIA ENCLOSURE APPLICATION; -10 TO 60 DEG C OPERATING TEMPERATURE From the Manufacturer These compact units are designed specifically to fit into Leviton's Series 140, 280 and 420 Structured Media Enclosures. They are compatible with any incoming AC voltage in the range of 90 to 264 VAC, 50 or 60 Hz. They have three, six, or nine 12VDC connectors providing from 10 to 40 watts of power. All modules provide short circuit overload and surge protection as well as EMI/RFI filtering to connected equipment. Universal Mini DC Power Supply