4.5.35 The starting current of dire

4.5.35 The starting current of direct-on-line starting motor shall not exceed 6 times full load current when direct-on-line starting at full voltage is applied.4.5.36 The motor shall be capable of accelerating the driven load from standstill to rated speed in less than 4 seconds with 80% of the nominal supply voltage.4.5.37 The motor shall be capable of operating continuously or, for short-time rated motor, for the duration of the short-time period, at rated torque at any supply voltage between 90% and 110% of the nominal supply voltage at 50Hz.4.5.38 The motor shall be capable of delivering the rated torque when running at 70% nominal voltage for a period of 10 seconds without injurious overheating, and the slip shall not exceed 10% under these conditions.4.5.39 The motor shall be capable of operating continuously without injurious effect and capable of driving the plunger pump at the rated output at any supply frequency between 48Hz and 51Hz together with any supply voltage between 90% and 106% of the nominal voltage.4.5.40 The noise level of motor shall conform to BS EN 60034-9, noise limit of rotating electrical machines.