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How to tell if the surge protector is damaged
Jan 08 , 2024
1. Use a multimeter to test the resistance value. Place a multimeter on the electrical barrier and test the resistance at the input and output of the surge protector. Generally, the resistance value of a surge protector should be very high. If the reading is lower than expected or appears to be infinite, it may be a sign that the surge protector is damaged. 2. Observe the appearance and color chan...
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What is 3C certification and is a surge protector required?
Jan 16 , 2024
The full name of the 3C certification is "China Compulsory Product Certification", the English name is China Compulsory Certification, and the English abbreviation is CCC. It is a product conformity assessment system implemented by the Chinese government through laws and regulations to protect consumers' personal safety and national security and strengthen product quality management. In July 2023,...
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Distribution box surge protector: an important part of lightning protection
Jan 22 , 2024
In areas with frequent lightning strikes, electrical equipment is easily damaged by lightning strikes. To reduce the damage caused by lightning strikes, the surge protector in the distribution box plays an important role. It mainly has the following benefits. 1. Higher protection: The surge protector uses advanced discharge technology and efficient absorption materials, which can quickly absorb th...
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The difference between 3P+N structure and 4P
Jan 30 , 2024
Some lightning protector manufacturers on the market name 4P products as 3PN. 3P+N and 4P circuit breakers are also four-level circuit breakers (consisting of four pairs of input/output terminals). Their difference lies in the zero (N) line terminal. superior. Among them, some of the 3P+N terminals are straight-through and cannot be disconnected, and some can be disconnected, but the original part...
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Working principle of intelligent ground resistance tester
Feb 18 , 2024
The ground resistance tester mainly measures the ground resistance of the equipment or facility under test by testing circuits, voltage measurement, and current measurement. By accurately measuring the value of ground resistance, you can ensure the safe operation of electrical equipment and protect personnel from electric shock and equipment damage. For example: 1. Voltage measurement: The ground ...
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Why should surge protectors be installed on photovoltaic systems?
Feb 21 , 2024
As many house owners decide to install photovoltaic equipment on their roofs, and industry and commerce are also investing more in photovoltaic equipment, these equipment are usually erected on large rooftops, public buildings or unused open areas. Because they are mostly outdoors, they are extremely vulnerable to the threat of lightning when a thunderstorm occurs, which has serious consequences f...
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About Uc value in surge protector
Feb 26 , 2024
SPD surge protector Uc means "maximum continuous operating voltage" and is one of the key parameters of lightning surge protectors. The main Uc values of lightning surge protectors currently on the market are 255V, 275V, 320V, and 385V. , 420V, etc. Many customers don’t know how to choose or what standards they are based on when choosing. The Uc of the power surge protector refers to the maximum c...
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The price of a surge protector is mainly determined by the quality
Mar 04 , 2024
A surge protector is an important power device used to protect electrical equipment from damage due to overvoltage surges. It detects sudden increases in voltage on a circuit and directs it to the ground, thus protecting other equipment from damage. As a critical safety device, surge protectors are widely used in various industries. The price of a surge protector is determined by many factors, suc...
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