Durable and reliable contact: Pure copper plated joints with fine solder joints ensure electrical contact, resistance to loosening, and long service life. Solderless and easy wiring: No welding required. 128 type environmental protection copper terminal design allows solderless connections, eliminating the need for soldering irons or bulky tools for quick, tidy wiring. Secure shell with screw lock: The shell is closed securely with screws and nuts, preventing loose closures and large gaps for a tighter, more reliable enclosure. Sturdy zinc alloy shell: The zinc alloy case provides mechanical strength, improved resistance to interference, and temperature tolerance for demanding applications. Suggested applications: Electrical control panels and electrical cabinets where fast, solderless connections save time and reduce setup complexity. Outdoor or damp environments that require a protective copper terminal design for reliable performance. Hobby electronics, prototyping, or serviceable equipment that benefit from a screwlocked enclosure and durable metal shell.