Selection GuideCURRENT TRANSFORMERSCurrent Transformers17,18, 19CR8750CR8400CR8300 Wire Commercial Horizontal Wire Split Vertical Medium Lead ANSI Class Mount Lead Core Mount Voltage 50-400 Hz 50-400 Hz 50-400 Hz — 50-400 Hz 50-400 Hz 50-400 Hz Up to Up to Up to — Up to Up to Up to 60 Aac 4,000 Aac 60 Aac 10,000 Aac 100 Aac 3,000 Aac — 5.0, 1.0 — — 5.0 Aac & — 5.0 Aac 0.2, 0.1 AAC High Ratios — Up to 0.3% — — Up to 0.3% — Up to 0.3% .29 & .55 See .250 .232 to .610 See .272 to .772 See (7.4 & 14.0) Catalog (6.4) (5.8 to 15.5) Catalog (6.9 to 19.6) Catalog — — — — — — — — — — Contact factory or see Internet site for additional information on ourCurrent Transformers. Heaters Controls And Sensors Ltd., www.hcs77.com Toll Free: 800 - 279 - 9912 7 transducer03a