Double potential terminal block, 280 Series, CAGE CLAMP® Seamless electrical installations are guaranteed with this double potential terminal block (item number 280-626). Conductors should only be connected to this double potential terminal block if their strip length is between 8 and 9 mm . Our double potential terminal blocks feature two independent potential current bars on one level to save space. Each side of the terminal block can be used to separately through-wire one potential. This product incorporates conductor terminals and utilizes CAGE CLAMP®. Our tried-and-tested universal connection known as CAGE CLAMP® is the industry standard for connection technology and electrical interconnections. Depending on the conductor type, this double potential terminal block is suitable for conductor cross sections ranging from 0.08 mm² to 2.5 mm². This through rail-mount terminal block is operated with an operating tool.