*(.&
FIGURE 1: IAC51 TOC CURVE.................................................................................................................................... 6
FIGURE 2: IAC53 TOC CURVES ................................................................................................................................. 7
FIGURE 7: IAC77 TOC CURVES ............................................................................................................................... 12
FIGURE 15: DEFINITE TIME...................................................................................................................................... 20
2
T TIME CURVE .................................................................................................................................... 21
FIGURE 17: IOC CURVE............................................................................................................................................ 22
FIGURE 31: BURDEN CURVE ................................................................................................................................... 41
FIGURE 32: IOC/TOC UNIT ....................................................................................................................................... 43
These Instructions do not purport to cover all details or variations in equipment
nor provide for every possible contingency to be met in connection with the in-
stallation, operation, or maintenance. Should further information be desired or
should particular problems arise which are not covered sufficiently for the pur-
chaser's purpose, the matter should be referred to the GENERAL ELECTRIC
COMPANY. To the extent required the product described herein meets applicable
ANSI, IEEE, NEMA, and IEC standards; but no assurances are given with respect to
local codes and ordinances because they vary greatly
2
LIST OF FIGURES
DIAC / DIFC / DSFC Digital Overcurrent Protection