Range of interchangeable input/output and communications modules.High security design The A1700 offers outstanding measurement and complex tariff capabilities for use in both industrial and commercial CT and CT/VT operated applications The A1700 can operate as a stand alone unit or as part of a comprehensive metering system Options.Internal clock and calendar with battery back-up.module slots for extended functionality.Communications via optical port or communications module.A1700 CT Metering Th e Pow er to Ch an ge Features