As shown in figure "B" of the illustration, the self-test of the OCR performance is applied with a setting of 6 times the full load current and a trip time of 10 seconds is observed, which agrees with the manufacturers current/time characteristics. According to figure "C" of the illustration, under actual operation, how long would the trip time be if the motor was drawing 3 times the full load amperage due to a mechanical overload?
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