(Standard Inverse) Cl, I.E.C. Class B Curve (Very Inverse) C2, 1.E.C. Class C Curve (Extremely Inverse) C3, 1.E.C. Long-Time Inverse Curve C4, and I.E.C. Short-Time Inverse Curve C5. I. The control shall have field-adjustable instantaneous-trip settings (0.2 kA through 6 kA) and definite-time delay settings (32 ms through 96 m