5–42 469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUALCHAPTER 5: SETTINGSNoteAbove 8.0 x Pickup, the trip time for 8.0 is used. This prevents the overload curve fromacting as an instantaneous element.The standard overload curves equation is:(EQ 5.2)20.00 1.39 2.78 4.16 5.55 6.94 8.33 9.71 11.10 12.49 13.88 15.27 16.65 18.04 19.43 20.82Table 5–1: 469 Standard Overload Curve MultipliersPICKUP(× FLA)STANDARD CURVE MULTIPLIERS× 1 × 2 × 3 × 4 × 5 × 6 × 7 × 8 × 9 × 10 × 11 × 12 × 13 × 14 × 15Time to Trip Curve_Multiplier 2.2116623×0.02530337 Pickup 1–( )2 0.05054758 Pickup 1–( )×+×----------------------------------------------------------------------------------------------------------------------------------------------=
