The TE Connectivity Buchanan 282858-3 is a 3-position, single-level terminal block with a 0.394" (10.00 mm) pitch, designed for through-hole PCB mounting. It uses a screw-driven rising cage clamp to terminate wire from 12 to 30 AWG, with the wire entering horizontal to the board (side entry). This is the 3-position member of the Buchanan series, identified by base number 282858.
The rising cage clamp — brass with nickel plating — pulls the wire against the current bar when the M3 brass screw is tightened to the specified torque of 0.79 Nm (7.0 Lb-In). The clamp accepts solid or stranded wire from 12 AWG (power feeds) down to 30 AWG (signal-level wiring). The horizontal wire entry keeps the assembly low-profile on the PCB, useful in enclosures with limited vertical clearance.