ABB ES2000-8001 Current Transducer / Sensor 2000A, 5000:1 Ratio
These are rated for 2000A and have a 5000:1 ratio (output 400 mA when 2000A ran through the ring). These were uninstalled spares. nominal current 2000a. loop current output at 2000a thru 400 ma. ABB ES2000-8001.