Motor-dual-protection automatic control device
An automatic control device and double protection technology, applied to emergency protection circuit devices, electrical components, etc., can solve the problems of incomplete protection and inability to stop the motor, and achieve the effects of easy promotion, convenient installation and maintenance, and improved production reliability
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[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0020] figure 1 and figure 2 It shows an embodiment of an automatic control device for double protection of a motor in the present invention: an automatic control device for double protection of a motor, including the first branch connected between the U phase of the three-phase power supply and the W phase of the three-phase power supply, connecting The second branch, the third branch, the fourth branch and the fifth branch between the positive and negative poles of the DC power supply;
[0021] The first branch consists of the experimental button SB, the stop button SR, the contactor KM, the n...
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