Profile: Marwell Corp. specializes in offering UL listed adapters. The 2000 series, single phase a-base to socket-type conversion adapter is available in twelve models. This lightweight durable unit can be easily installed on both indoor and outdoor enclosures. It features landing plate that can be permanently bonded to the side of the adapter to provide for the installation of couplers & cable grips used with recorders and remote metering. We provide a wide variety of K base conversion adapters for both 320 amp applications and for transformer rated applications. Our 2387 three phase adapter provide 1/2 inch square copper bus bars that are actually larger than the bus bars on the meter it replaces. It is rated at 600 volts and 320 Amps continuous.