This powerful Siemens distribution block is a must-have for any electrical equipment and supplies collection. With three gauge and the ability to handle 3/0 CU/AL ,4/0 AL Only-250-500 Komil CU/AL, it is perfect for any single-phase circuit breaker and disconnector setup. The block also comes with two positions, making it a versatile solution for your electrical needs. Whether you're upgrading your business or industrial setup or need to replace a faulty block, this Siemens distribution block is a reliable and efficient choice.