BH-PLJD1 Series Zero-sequence current transformer is made to work with microcomputer protection device, motor protection device, and relay,as a ground fault protection set, protecting and monitoring power supply and distribution systems. 
     Uses a PC injection casing with epoxy resin filling. Secured with two metal 
clamping boards. Bottom/base mounting style. Single casing. Small in size and 
light weight. Suitable for cable applications in power supply and distribution 
systems of up to 10kV.