Features: ① It can measure the zero-sequence current in the system whose main circuit current is below 250A; ② Fully enclosed, good mechanical and environmental resistance, strong voltage isolation capability, safe and reliable; ③ Soft line output, easy to use and flexible.

Features: ① Busbar through core, flexible wire lead out, plate installation; ② Fully-encapsulated, strong mechanical and environmental endurance, and strong voltage isolation.

Features: ① The busbar is built-in, and the printed circuit board is directly welded and installed; ② Compact, high frequency, beautiful appearance; ③ Fully enclosed, good mechanical and environmental resistance, strong voltage isolation capability, and beautiful appearance .

Features: ① Vertical core, flexible installation, can be fixed on the busbar or on the bottom plate; ② It can be equipped with various types of busbars, such as flat busbars, round busbars or cables; ③ The output terminal is a screw fastened crimping type standard terminal, which is convenient for wiring at the engineering site; ④ Box structure, closed plastic case, beautiful appearance.

1．Features: ① The printed circuit board is directly welded and installed, and the appearance is beautiful; ② Can effectively suppress the interference of the primary side current fast transient pulse signal; ③ Reliable insulation between primary winding and secondary winding, winding and shielding; ④ Built-in precision resistance, can be directly measured, easy to use; ⑤ Fully enclosed, good mechanical and environmental resistance, strong voltage isolation capability, safe and reliable.

Features: ① Being able to be directly welded on PCB; ② Fully encapsulated, strong mechanical and environmental endurance, strong dielectric strength and beautiful appearance.