Type strip connectors, type strip connector manufacturer, Branch ho type bar connector provided by Section ho. Shenzhen Branch Hao Electronic Technology Co., Ltd. (www.kehold.com) Guangdong Shenzhen Quality Business League certification company, has branch-ho and other brands, has a good reputation, integrity-based, service-oriented "business alliance click on the page Customer Service "icon, and we will be happy to serve you! Terminal blocks Type Type of 4EN mean? Branch-ho to answer your questions: 4EN represents the contact area 4 mm2. How to choose the design of the substation transformer and terminal block? Branch-ho to answer your questions: Transformer capacity is calculated based strip connector manufacturers, too big too small will not work; the terminal block ground distance is generally not less than 350mm, current loop current test must OT wiring terminals.