The 284061-3: The 0.200" (5.08 mm) pitch sets the terminal spacing for the mating plug — this is a standard Buchanan terminal block pitch, so the mating plug and wire-entry spacing are fixed. At 12 A per circuit and 300 V, the header handles control-panel power distribution and sensor/actuator wiring without derating in typical 25–30 °C cabinet ambient.
Right-angle routing and side interlocking
The interlocking (side) feature lets you gang multiple headers side-by-side without extra brackets, saving panel space and simplifying assembly.