link to page 19 link to page 21 link to page 23 link to page 26 link to page 27 link to page 19 link to page 21 link to page 23 link to page 26 link to page 27 Selection GuideCURRENT TRANSFORMERSCurrent Transformers17,18, 19CR8300CR8400CR8750 Wire Vertical Wire Horizontal Commercial & Split Medium Lead Mount Lead Mount ANSI Class Core 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 100 Aac 60 Aac 4,000 Aac 10,000 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 .272 to .772 .232 to .610 .250 See Catalog See Catalog See Catalog (7.4 & 14.0) (6.9 to 19.6) (5.8 & 15.5 (6.4) — — — — — — — — — — — UL/CSA UL/CSA UL Request Request 18 20 22 25 26 Catalog Sec 5 Catalog Sec 13 Heaters Controls And Sensors Ltd., www.hcs77.com Toll Free: 800 - 279 - 9912 3