The ABB T16-5.7 is a 3-pole thermal overload relay with a current range of 4.2-5.7 AMP, designed for 690 VAC (50/60 Hz) main circuit and 600 VDC/AC (50/60 Hz) auxiliary circuit. It features 1NO/NC auxiliary contacts and complies with trip class 10 standards. Model number: 1SAZ711201R1038.