Adopts flame-retardant plastic base, integrated with current transformer and brass crimping terminals, sampling harness supplied together. Designed according to standard structure of single-phase smart meters, with standard terminal layout and stable screw crimping. The transformer features high accuracy and stable sampling signal. The housing is high voltage resistant, anti-aging, with reserved sealing position to meet anti-theft metering requirements. It is an integrated assembly for direct mounting on single-phase energy meters. Custom ratio and outlet modes are available.