WAGO 260 Series Screwless Terminal Blocks and Mountings - WAGO 260-304, The WAGO DIN Rail Screwless Terminal Block, Spring Cage 5mm 18A Blue is a 2-conductor terminal block for screw or similar mounting types. With cage spring connector for single, multiple and fine stranded copper conductors. The last open terminal is closed with a terminal plate, sold separately, fixed using a screw flange with a 3.2mm dia. hole.The CAGE CLAMP® connection technique allows stripped solid and ferruled conductors to be simply pushed in. With its space saving design, the terminal block is up to 30% smaller than standard terminal blocks. It has a conductor entry angle of less than 15° which allows easier installation in smaller spaces. WAGO 260-304 DIN Rail Screwless Terminal Block, Spring Cage 5mm 18A Blue