Whether the motor wiring need to consider the starting current, or just consider the rated current of the device, please enlighten me !!!
If the motor is far from the power supply, it is important to consider the starting current factor. Otherwise it may fail to start.
May be other lines of interference, you can consider the installation of an anti-jamming device, so the company so the elevator camera has installed
Induction of electricity, your cable should have a shield, remove the shield after the basic does not exist this phenomenon
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