Buchanan 282834-4: Four-Position PCB Terminal Block with Rising Cage Clamp
It uses a screw-driven rising cage clamp to terminate 16-30 AWG wire, with a torque spec of 0.2 Nm (1.7 Lb-In) on the M1.6 screw — enough bite for solid or stranded conductors without overstressing the PA66 housing. The green housing is a common industrial color code for ground/earth connections, though it's also used for general signal wiring.
Wiring and Termination: What the Rising Cage Clamp Means
The rising cage clamp lifts a pressure plate against the conductor as the screw is tightened, creating a gas-tight connection that resists vibration and thermal cycling. It's a step up from a simple screw-and-washer clamp — the cage distributes clamping force evenly across the wire, reducing cold flow and loosening over time. The M1.6 screw should be torqued to exactly 0.2 Nm (1.7 Lb-In); going beyond that risks stripping the PA66 threads or cracking the housing. The 16-30 AWG range covers most control wiring, and the brass-nickel clamp and tin-plated brass contact material handle the 10 A load without galling.
Board Layout and Orientation
The single-level, 4-position design keeps the board footprint compact: roughly 0.4" wide (four pitches) plus a bit for the screw heads. Mounting is through-hole only; no SMT option here, so plan for wave or hand soldering.