Features: ① It can measure the zero-sequence current in the system whose main circuit current is below 100A ; 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 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 Vertical core, flexible installation, can be fixed on the busbar or on the bottom plate; ② The output is in the form of flexible wires, which is convenient for wiring at the engineering site .

Features: ① It can measure the zero-sequence current in the system whose main circuit current is below 500A; ② Fully enclosed, good mechanical and environmental resistance, strong voltage isolation capability, safe and reliable; ③ Soft line output, easy to use and flexible.