The PHOENIX CONTACT UKK 5-HESI fuse modular terminal block is a versatile component designed for secure and reliable power distribution in industrial applications. This terminal block offers a compact double-level fuse design, allowing for overcurrent protection and circuit isolation. It utilizes a screw connection mechanism, accommodating conductors ranging from 0.2 to 4 mm² (AWG 24-12). The terminal block is compatible with standard fuse sizes (G/5x20) and is designed for mounting on NS 35/7.5, NS 35/15, and NS 32 rails. Its robust construction and high-quality materials ensure durability and long-term performance in demanding environments. It is ideal for applications requiring overcurrent protection and reliable connectivity.