What it is
The Molex 387800112 is the 12-circuit member of the Beau 38780 dual-wall barrier strip family — a 2-row, 0.438-inch (11.12 mm) pitch terminal block sized for chassis and panel wiring in industrial automation and power-distribution applications. Rated 15 A per circuit at 300 V, it accepts 14-22 AWG wire with top-screw termination and a closed bottom that keeps the wire entry side clean of debris during field wiring.
Key ratings and what they mean
Rated 15 A per circuit and 300 V, this part suits standard industrial panel wiring. For elevated ambient conditions, derate per the product drawing to stay within the rating envelope. Pitch is 0.438 inch (11.12 mm) — this is a denser spacing than the 0.394-inch (10.00 mm) Eurostyle 39100 peers, so a panel cutout sized for one family will not accept the other without rework. The zinc clear-chromate terminal screws accept a flat-blade driver; the dual-wall barrier construction provides physical separation between adjacent circuits without needing a separate cover strip.
Sourcing and compliance
The housing is thermoplastic rated UL94 V-0 — standard for enclosed panel terminal strips where flame resistance is required at the panel face.