The ABB-1SCA022872R8340 OTM800E4CM230C 800A, 4P transfer şalteri (I-0-II The ABB-1SCA022872R8340 by ABB is a high-performance automatic transfer switch from the nan series, designed to ensure seamless power transitions. It supports a current rating of 800A and features 4P poles for versatile applications. Equipped with advanced capabilities like Manuel Transfer Switch (I-0-II), this transfer switch is ideal for professional installations. Packaged in a BOX format, the ABB-1SCA022872R8340 combines reliability and efficiency, making it an excellent choice for critical power systems.