(STA3340)
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.
(STA4046系列)
Features: ① Vertical core, flexible installation, can be fixed on the busbar or on the bottom plate; ② The perforation of the busbar is circular and arranged in the shape of "pin"; ③ The output is a four-core shielded wire, and the length of the lead can be customized ; ④ Box structure, closed plastic case, beautiful appearance.