Kejia talk about how to connect several lightning protection devices


As we all know, the signal lightning protection device is used to protect a variety of electrical equipment in the power system from lightning over-voltage, over-voltage operation, transient over-voltage power frequency damage and an electrical appliance. With the popularity of signal communication equipment applications, signal lightning protection devices have become a weapon to protect electronic devices. However, many people understand the signal lightning protection wiring harness. The following small series will use the wiring diagram of the lightning protection device of Kejia Electrical Signaling Co., Ltd. as an introduction:

Network signal lightning protection device <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br> Network signal lightning protector Ethernet communication lightning protector can be used for lightning protection of network interface of communication equipment. , Play lightning protection.
Figure 1: Network signal lightning protection device wiring diagram

Installation Precautions: Lightning protector is installed in the protected inlet port, in series with the network signal line, the input terminal is connected to the external lead, the output terminal is connected to the protected equipment, and the “PE” lead on the lightning arrester must be connected to the nearest The earth terminals are reliably connected to ensure lightning protection is effective.

Digital signal lightning protection device <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br> The external signal is terminated to the input line, the output is terminated to the protection device, and the PE terminal is to be reliably connected to the earth lead.

Figure II: Digital signal lightning protection device wiring diagram

Analog signal lightning protector

The lightning protection of analog signals is based on the different characteristics of sensors, transmitters, and signal collectors and can be used for lightning protection of 2- to 4-wire analog signal lines. The terminal wiring lightning arrester is suitable for indoor installation; it is mainly made of stainless steel lightning arrester suitable for outdoor installation, and has a fully enclosed structure that is resistant to acid and corrosion.

Figure 3: Installation of lightning protection device for analog signals

SPD <br> <br> video composition which is a video signal SPD and AC / DC power supply arrester as one, become the imaging means and a video surveillance system generation apparatus compact, multifunction anti Lei products, the use of new types of lightning protection components, constitute multiple protection circuits, applicable to a variety of equipment for lightning protection devices and interface forms.

Figure 4: Video combination signal wiring diagram

It should be noted here that all lightning protector installation wiring must be well grounded, and regular safety inspections should be conducted to ensure reliable lightning protection.

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