This antique porcelain double-pole knife switch is believed to have been manufactured by Bryant Electric and was designed for use in early residential or industrial electrical systems. It features a white porcelain (ceramic) base, brass and copper switch blades, and an integrated screw-in fuse socket. The switch is marked for 30 Amps, 125 Volts, typical of early 20th-century electrical disconnects and fuse protection devices.These vintage electrical components are popular with collectors of industrial antiques, electricians, and those restoring historic buildings.Condition:Shows age-related wear, oxidation, discoloration, and surface grime consistent with long-term use and storage. The operating condition has not been tested, and completeness is unknown. Please examine all photos carefully before purchasing.Untested; sold as-is for repair, restoration, parts, display, or collection. Due to its age, this item should not be installed or used without inspection by a qualified electrician.

See photos