The 3020-40-0100-00 is a 2.54mm pitch box header straight type connector designed for reliable electrical interconnection in industrial applications. It features a current rating of 3.0A for both AC and DC, with a voltage rating of 250V AC/DC and a withstanding voltage of 600V AC per minute. The connector utilizes a Nylon 6T (UL94V-0) black insulator body with gold-flashed copper alloy terminals, providing excellent contact resistance of 20 mO maximum and insulation resistance of 1,000 MO minimum. The operating temperature range spans -40°C to +105°C, ensuring stable performance across diverse environmental conditions. This connector is commonly used in PCB-to-wire and PCB-to-PCB applications where compact spacing, durability, and consistent electrical performance are required.