The WAGO 281-663 is a robust and reliable 4-conductor through terminal block suitable for a wide range of industrial applications. Designed for DIN-rail 35 x 15 and 35 x 7.5 mounting, it offers a secure and space-saving solution for electrical connections. The CAGE CLAMP® spring pressure connection technology ensures a gas-tight connection and simplifies wiring. For aluminum conductors, the use of WAGO “Alu-Plus” Contact Paste is recommended to prevent oxidation and corrosion, ensuring long-term performance and reliability. This terminal block is ideal for control cabinets, power distribution, and automation systems.