BH - 0.66 series current transformers is busbar type current transformer insulation shell type air, shell for flame retardant plastic, shell type plane have mounting holes, for fixed vertical or parallel installation. And provide the mounting plate, can be hung on the bus bar installation. Features 1:Safe, easy to install, portable 2:Wide inner window, allowing clamping of big cables or bus-bars 3:Wide range of sizes to accommodate all the existing installations Applications: 1:Current measurement, monitoring and protection for electrical wiring and equipment. 2:Current and power measurement for electric motors, lighting, air compressor, heating and ventilation system, air-condition equipment and automation-control system. 3:Current, power and energy monitoring device. 4:Relay protection device.