Sensor Current Transformer BZCT30AL 30/5 50/5A 100/5 150/5 200/5 400/5 0.2Class Model Number : BZCT30AL Current ratio : 50a/5a 75a/5a 100a/5a 150a/5a 200a/5a 250a/5a 300a/5a 400a/5a through hole : 30mm