The WAGO 261 series neutral-through terminal block is a blue, single-deck component designed for Ex I applications, featuring a button on one side, snap-in mounting foot, and side/lateral marking slots. It accommodates two wires (one clamp each) ranging from 0.08mm² to 2.5mm² or #28AWG to #14AWG, with a rated current of 24A. The terminal block uses CAGE CLAMP spring connections and can be mounted on a DIN rail or surface using an accessory snap-in foot mounting, with a width of 6mm, equivalent to model 261314331000.