Fast installation, completely vibration-proof and maintenance-free: WAGO's 2002-1892 rail-mount terminal block systems use proven spring pressure connection technology, reducing service costs and increasing system uptime and reliability. Your benefits include: Complete, high-performance line of terminal blocks for every application, The highest level of safety: testing above and beyond the scope of industrial standards, Industry-proven spring pressure connection technology: fast, vibration-proof and maintenance-free, Additional savings through shorter wiring times, faster project commissioning and the elimination of service costs due to maintenance-free connections, Eliminate time-consuming preparation - no ferrules or crimping required.