PCB SPRING TERMINAL BLOCKS The printed circuit board terminal block with spring connection is divided into two types: heart-shaped pull-back spring connection and butterfly spring connection. It has anti-vibration characteristics. The spring connecting terminal and the lifting terminal can be replaced each other, which greatly increases the flexibility, and has the advantages of simple wiring operation and compact structure design. It can be connected to all types of conductors with a cross-section of 0.08mm2 to 16mm2. The spacing is from 2.5mm to 20.0mm, with horizontal (180°),vertical (90°), and bevel (45°), match the 1/2/3/4-layered designs. This series applies to communication systems, lighting systems, security systems, wiring layout for buildings, etc. Also, the product design is in accordance with some international standards, such as IEC60998, IEC60947, UL1059, CSA C22.2 No.158 etc.……