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Estonia There are three elements in the procurement of non-isolated power supply(3)


The high-voltage power module will generate a very high voltage during operation. If someone touches it, the consequences are unimaginable. In order to ensure the safety of employees and avoid safety risks, it is necessary to understand the insulation when purchasing high-voltage power supplies. Only by ensuring that the insulation is good enough, can some unnecessary troubles be avoided.

3. Make sure the LED advertising screen power supply has multiple certifications.

Unlike other parts, there are many certifications for high-quality power modules, such as ISO9001.CE.RoHS is the certification required for power modules, we choose never to suffer from this, because everything can be fraudulent, qualifications cannot be fraudulent .

Ring current backup
The ring current generator is mainly used in the telephone exchange exchange to provide ringing to the telephone users, and is generally used in a biased state. Bias can be divided into positive bias and negative bias. In order to improve the reliability of the ring current system, the ring current needs to be backed up. Installation and maintenance of module power supply
Since the types, series and specifications of the modular power supplies produced by various companies are difficult to count, their functional characteristics and physical characteristics are not the same, so they are also different in installation, use and maintenance, but the following aspects should be paid attention to

power supply module

In short, the high-voltage LED advertising screen power supply module must pay attention to the above three elements, and only by paying attention to these problems will not suffer losses, otherwise it may lead to safety risks.