1．Features: ① This is an electronic current-type voltage transformer with a built-in IC amplifier inside, providing high accuracy. ② It is fully encapsulated, has strong mechanical and environmental endurance, strong dielectric strength, and is safe and reliable. ③It is light in weight, small in size, capable of being directly soldered onto a PCB, and has an elegant outline.

1．Features: ① This component has a miniature size and high precision. It is capable of being directly soldered onto a PCB, is easy to use, and has an elegant outline. ② This component is fully encapsulated and has strong mechanical and environmental endurance, strong dielectric strength, and is safe and reliable.

Features: ① Flexible in installation modes: can be fixed on either the primary wire or the bottom board. ② Three round through holes for primary wires in a '品' configuration. ③ Output terminal is a standard socket with a plug, making it easy to use. ④ Box structure, encapsulated by a plastic shell, has a sleek design.

Features: ① Directly fixed on the 32 × 5 flat busbar ; ② Fully enclosed, good mechanical and environmental resistance, strong voltage isolation capability, safe and reliable.

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.

Features: ① Busbar core-through, flexible wire lead-out, panel installation; ② Fully enclosed, good mechanical and environmental resistance, strong voltage isolation capability.