Module protection-overcurrent protection
If you want more secure overcurrent protection, it is recommended that users give priority to the module with built-in overcurrent protection function. In addition, external fast fuses, fast overcurrent relays and sensors can also be used. Fast fusing is the simplest and most commonly used method, which is introduced as follows:
(1) Connection mode:
The fast fuse is connected to the AC input of the module. Take three-phase rectifier module and single-phase AC module as examples.
(2) Selection of fast fuse:
The rated voltage of the fuse should be greater than the normal working voltage of the circuit. The rated current of the fuse should be as small as possible on the premise of meeting the normal operation of the load.
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