The WAGO 281 series feed-through terminal block is a light gray, single-deck component with a center marking slot, designed for Ex e II applications. It features one feed-through pole with four wire connections (two clamps on each side) suitable for wire sizes ranging from 0.08mm² to 4mm² or #28AWG to #12AWG. The terminal block supports a rated current of 30A and utilizes CAGE CLAMP spring connections for secure wiring. It is mounted on a DIN-35 rail (35 x 15 / 35 x 7.5) and has a width of 6mm, equivalent to model 281994.