The BN400BW4 is a large-capacity, 4-pole screw terminal block designed for high-current power distribution. It accommodates a wire size of 400 MCM (200 mm²) and has a rated current of 370A per EN standards and 350A per UL/CSA standards. The block utilizes M12 terminal screws with a required tightening torque of 38 to 49 N·m. It features robust insulation voltage ratings of 600V (UL/CSA), 660V (EN), and 800V (JIS). Suitable for industrial control panels and power systems, the BN400BW4 is supplied with an end plate, dust cover, and marking strip for a complete installation.