Shield terminal block, 279 Series, operating tool This shield terminal block (item number 279-838) is designed to connect conductors quickly and easily. Ensure that the strip lengths are between 8 and 9 mm when connecting conductors to this shield terminal block. By connecting to the mounting rail via an integrated contact foot, shield terminal blocks provide a reliable electrical and mechanical connection between electrical conductors and the mounting adapter. This allows them to suppress interference signals and ensure high signal quality. This product features conductor terminals and utilizes CAGE CLAMP®. Our renowned universal connection known as CAGE CLAMP® is the industry standard for connection technology and electrical interconnections. The dimensions are (4 x 73 x 31.5) mm (width x height x depth). Depending on the type of conductor, this shield 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.