10-Position 5.00 mm Unshrouded Header for Terminal Block Integration
The 1-1546931-0: It mates with Buchanan screw-clamp or spring-clamp terminal block plugs to create a field-wiring interface on the PCB. Rated 12 A at 300 V, the header suits power distribution in industrial control panels, HVAC equipment, and building automation where the terminal block is the primary field-wiring point. The unshrouded design gives direct access to the pin tips for probing or for side-stacking multiple headers — the side-stacking feature allows ganging headers to create multi-level terminal blocks without separate interconnects.
At 5.00 mm pitch, the header provides clearance for 300 V working voltage. The 12 A per-contact rating is consistent with the Buchanan series' power-handling capability; derate for ambient temperatures above the UL test point per the housing's UL94 V-0 polyamide material limits. Compared to sibling 1-2213934-1 (same series, bulk, active), the 1-1546931-0 shares the same pitch and current rating but differs in position count — verify the BOM position count before substituting.
No official cross-reference; the Buchanan series includes multiple position variants for the same pitch.