The CHINT-256821 OTOMATİK TRANSFER ŞALTERİ NXZM SERİSİ 4 KUTUPLU 31 The CHINT-256821 by CHINT is a high-performance automatic transfer switch from the NXZM series, designed to ensure seamless power transitions. It supports a current rating of 315A and features 4P poles for versatile applications. Equipped with advanced capabilities like Automatic Transfer Switch, this transfer switch is ideal for professional installations. Packaged in a BOX format, the CHINT-256821 combines reliability and efficiency, making it an excellent choice for critical power systems.