Weidmüller 0137100000 is a modular terminal block with a Push-in Spring Cage connection system. It is available in two widths, 6.2 mm and 9.5 mm, with two connection options, screw and Push-in Spring Cage. The Push-in Spring Cage connection system offers a fast, tool-free wiring option that can save up to 70% of installation time compared to conventional screw connections. The Push-in Spring Cage connection system uses spring-loaded cages to provide secure and reliable connections in a variety of applications. This terminal block also features Weidmüller's Push-in indicator technology, which provides visual indication of a secure connection without the need for tools or additional components. The 0137100000 terminal block also provides a high degree of built-in surge protection, helping to protect equipment and components from potentially damaging overvoltage spikes.