Specifications
1. effiency: IE2 and IE1
2. 20 years manufacturing experience
3. 12 months guarantee
4. low noise and vibtration
1, the circuit breaker to choose 3 times of the rated current is correct! Because the starting current is in an instant. Circuit breaker due to inertia too late response! 2, the Angle of operation and starting current ratio, Angle is 1.73 times of stars! Marked on the Single phase motor motor nameplate! The motor starting current why so big? In the next work, meet a problem: a current rating of 12 a submersible pump, starting current biggest reached 227 a, the wholesalemotor.blogspot.com result will be a upstream switch thermomagnetic tripping protection action. Insulation resistance, no problem, we check the motor is started normally (general starting current in 200 when A normal boot), motor running current of 9.2 A. General starting current is about 4 ~ 7 times the rated current, what reason can make the starting current is so large, whether related to pump lobe jamming? Supplementary question. You refers to the phase insulation of the cable? Haven't test, the motor rated voltage is 380 v, no star 3 phase induction motor triangle the circuit, because running current is normal, so wrong into triangular possibility is not big, besides the two motor starting current is the same, at the same time, the possibility of the same fault is small. In addition, permanent magnet motor also want to ask, two motors at the same time, the starting current will stack?
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