The 1608570000 is a 4-circuit feed-through Terminal Block with Tension clamp connection for plug-in cross-connector and 2.5mm² wire cross section area. Dark beige color, snap-on mounting with TS 35 rail mount and 10mm stripping length. The ZDU 2.5/4AN 800V terminal block accepts 30AWG minimum to 12AWG maximum wire size. Z-series terminals have a large clamping range and one or two cross-connection slots. Plug-in standard cross-connections enable potentials to be distributed over any number of terminals.