The ST4-HESI(5X20)GYGY is a fuse modular terminal block designed for safe and efficient electrical connections. It features a fuse type compatible with G / 5 x 20 cartridge fuses, suitable for use with glass or ceramic fuse elements. The terminal block operates at a nominal voltage of 500 V and supports a maximum current of 6.3 A. It employs a spring cage or push-in connection method for easy wiring and secure contact, allowing simple integration and replacement of fuses. The design includes test connections on both sides with safety levers, and it is intended for assembly on NS 35 rails. The fuse terminal block offers a compact form factor, making it ideal for applications requiring reliable fuse protection in a space-efficient configuration.

Phoenix Contact specialises in industrial automation and electrical connectivity solutions, offering products such as terminal blocks, PLCs, I/O systems, and industrial networking components. Known for innovation and quality, their technologies enhance efficiency and connectivity in industries like manufacturing, energy, and infrastructure.