CP range of current transformers are compact-smaller than other models with the current ratio of the transformer is small.Clamshell-style terminal cover is well protected by the second terminal. With related accessories you can use Din rail mounting a current from 5A to 3000A. Features: Three built in fixing methods: Panel/Din Rail/Busbar Built in hinged terminal cover Compact design Primary current from 5A to 3000A Applications: Current measurement, monitoring and protection for electrical wiring and equipment. Current and power measurement for electric motors, lighting, air compressor, heating and ventilation system, air-condition equipment and automation-control system. Current, power and energy monitoring device. Relay protection device.