BNC-PJ-2.5DV(40)

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The inner structure of BNC-PJ-2.5DV(40) is composed of a bipartite high-voltage continuous capacitor, two spark gaps, and two air switches, as well as two clear and transparent insulation barrier housings. It is mainly used in the low-voltage side of the relay, power supply, power distribution, railway, and other industrial fields. Especially in fields such as relay protection, monitoring, signaling, fault location, and industrial control, it plays an important role in current and voltage detection, low-voltage impulse voltage detection, and other parts.

BNC-PJ-2.5DV(40) works by using the principle of electric charge and discharge, taking advantage of the electrical conductivity of the spark gap in the air isolation room. When the voltage of the output section is high, the electric charge of the insulation barrier body of the high-voltage continuous capacitor is discharged through the spark gap, and then the electric relay and the other equivalent components are opened. The spark gap will continue to discharge until the voltage is lowered to a certain level, so that the sparks issued by the spark gap are minimized. The electric charge in the high-voltage continuous capacitor will then be transferred to the low-voltage section and then discharged through the other air switch into the relay.

The application field of BNC-PJ-2.5DV(40) includes electrical protection, electrical monitoring, transmission line protection, wind power and solar power generation, power distribution and power supply monitoring, industrial control, power quality monitoring, data acquisition, fault location and signal switching. Besides, the BNC-PJ-2.5DV(40) can also be used in railway transportation, aircraft power system, ship power system, and industrial automation control.

The main principle of BNC-PJ-2.5DV(40) is the spark gap discharge principle. The electric charge in the high-voltage capacitor is transferred to the low-voltage capacitor when the voltage reaches a certain value. After the charge is transferred to the low-voltage capacitor, it is discharged through the other air switch into the relay. In addition, the air switch will discharge the electric charge when the voltage reaches a certain value, and the electric charge in the air switch can be discharged directly into the relay.

The working frequency of BNC-PJ-2.5DV(40) is between 10Hz and 50kHz, and the working temperature range is -40℃ to +60℃. The temperature is stable and the reliability is high. The product can meet the requirements of environmental protection, explosion protection, and electromagnetic interference. With its superior performance, BNC-PJ-2.5DV(40) can be widely used in various power system monitoring and protection fields.

In conclusion, BNC-PJ-2.5DV(40) is a versatile device which is widely used in low-voltage application fields such as power supply, power distribution, railway, and other industrial fields. Its working principle is based on spark gap discharge, and the working temperature ranges from -40℃ to +60℃. With its superior performance, BNC-PJ-2.5DV(40) can be widely used in various power system monitoring and protection fields.

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