An interface terminal block (pin terminal type) is a wiring connection component that combines a connector and a terminal block. Used for switchboards, monitoring panels, etc. The ferrule-processed bar-type crimp terminal allows push-in connections simply by inserting an electric cable. There are two types of terminal block clamps: spring clamp type and screw clamp type. In addition, maintenance is easy for spring lock type products that do not require retightening. Mounting methods include DIN rail mounting and direct mounting, as well as dual use types. The number of poles in the connector terminal block, the pitch between terminals, and the type of connector vary depending on the product, and must be selected depending on the PLC used. Using a product with a common terminal reduces the number of parts required.