TERMI-BLOK PCB Side Entry Stacking Headers 284391-4 are essential components for efficient power and signal connections in your electronic devices. With a compact design featuring four contacts in a single row, these headers offer seamless board mount installation. Constructed with durable PA 6/6 housing and brass contacts plated with tin, they ensure reliable performance even in harsh industrial environments. Rated for 12 A and 300 V AC, they guarantee efficient power transmission. The innovative stacking with interlock feature allows for space-saving side stackable configuration, ideal for high-density applications. With an operating temperature range of -40 to 110 °C (-40 to 230 °F) and RoHS compliance, these headers are a dependable choice for your connectivity needs.