Power consumption 2.5VA Accuracy class 1 For use with 5A moving iron meters or cam-operated selector switches Full scale deflection depends on number of conductor turns through toroid as follows: 120A/0 (conductor passed straight through toroid); 60A/2; 40A/3; 30A/4; 20A/6; 15A/8; 10A/12 Secondary winding epoxy resin insulated Suitable for 50/60Hz BS7627/IEC185