5–40 469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUALCHAPTER 5: SETTINGSIf the motor starting times are well within the safe stall times, it is recommended that the469 Standard Overload Curve be used. The standard overload curves are a series of 15curves with a common curve shape based on typical motor thermal limit curves (see thefigure and table below).FIGURE 5–6: 469 Standard Overload Curves469 Motor Management RelaySTANDARD OVERLOAD CURVESx1x15100000100001000100101.000.10 1.00MULTIPLE OF FULL LOAD AMPSTIME IN SECONDS10 100 1000806804A5.CDRTable 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 × 151.01 4353.68707.213061174142176826122304753482939183435364789052243565976095165304
