Through terminal block, 279 Series, orange Quick and easy connections are guaranteed with this through terminal block (item number 279-682). Conductors can only be connected to this through terminal block if their strip length is between 8 and 9 mm . Whether for use in industry or building installations, our rail-mount through terminal blocks allow you to quickly and securely connect electrical conductors. They’re perfect for either classic through-wiring or distributing potential, depending on the variant. Featuring conductor terminals along with CAGE CLAMP®, this product delivers reliable performance. Our highly-rated and maintenance-free CAGE CLAMP® connection makes it easy to connect all conductor types without having to prepare the conductor. For example, you don't need to crimp ferrules. The item's dimensions are (4 x 62.5 x 31.5) mm (width x height x depth). This through terminal block is suitable for conductor cross sections ranging from 0.08 mm² to 1.5 mm². This through rail-mount terminal block is operated with an operating tool.