8 best network filters

Opens our ranking of the best network filters model DAESUNG MC2343. Of course, the consumption of a single appliance in the Stand By state is not shameful and neglected, but for the n-th number of "waiting" devices, you should probably take care of a practical solution to the problem of energy efficiency. In this sense, power extension cords with separate outlet switches are very convenient. And if they also provide protection against impulse overvoltages, they are very good. The recommended South Korean manufacturer's line filter is one of those and, in addition to these, has another weighty advantage over its competitors. The contact holes of all sockets at DAESUNG MC2343 are arranged in one line, which is even completely useful if there are overall external power supply units or chargers. All switches open both power wires. And here it provides protection from children (curtains).

Note that the presence of RJ-45 sockets on the network filter case does not mean that it is suitable for protecting the input circuits of devices connected to a local or global (WLAN) computer network. A significant part of the corresponding models are solutions that allow securing active network equipment operating through ISDN / DSL data transmission channels. APC PF8VNT3-RS can be called the “correct” filter of this type, but we recommend focusing on specialized surge suppressors, such as the APC PNET1GB protector port. The fact is that only in such devices all eight lines of the Ethernet interface are protected. Moreover, the contacts are broken after the arrival of the first voltage surge, and this design feature has almost no effect on the speed characteristics of the communication channel.

It should be correctly understood - such a surge protector will not save from direct lightning, but it can protect from induced pulses. Of course, if you connect it to a normal ground.

Quite a typical situation: a house in the village, the Internet "from the phone", a satellite dish. And in addition - frequent thunderstorms. How at one stroke to protect most of the sensitive technology? The easiest way is with the help of such a universal “multi-machine” as the APC PMF83VT-RS network filter. For a complete set, it lacks only the protection of the LAN input, but we assume that the owners of the house in question prefer a wireless connection method. A nice feature of the recommended model is the excellent characteristics of energy absorption and maximum peak currents. Protection against thunderstorms in it is implemented on a bunch of varistors and a discharger along the power supply circuit, varistors and fuses - for a telephone line, a discharger - for a coaxial one.

We remind that the use of a network filter in the absence of a working ground is devoid of sense from the point of view of lightning protection.

If you can’t hide the abundance of wires and the multi-socket power supply unit of their switching fails, the move “by contradiction” may be an acceptable way out of the impasse. In other words, you need to put this economy on public display, but with an emphasis on originality. It seems to us that one of Legrand’s multimedia extension cords, specifically the model with article number 6 946 14, will do the best with this task. , as well as a kind of built-in cradle, quite convenient for installing smartphones with a micro USB connector, including a deep one. The manufacturer of the recommended mains filter does not promise the suppression of RF interference, but it must save it from lightning discharges and overvoltage.

The organization of Internet channels using ADSL technology is now being used less and less. If, however, circumstances still force one to resort to it, it makes sense to envisage an increased likelihood of receiving a lightning discharge somewhere “caught” by the communication line. It should be recognized that specialized solutions provide more reliable protection, but the price tags there are appropriate. In this sense, the APC PM5T-RS network filter can even be called a budget, as long as it can protect not only the input circuits of the communication equipment, but also its power supplies, from power surges. In fact, we recommend a model from the entry-level line; in this case, the response time of varistors is simply a critical parameter, and it is quite comparable to the capabilities of more expensive devices. We remind you that the reliability of this type of protection is largely determined by the presence and quality of the "earth" in your electrical network.

It is best of all to place the network filters of such purpose stationary in a flat panel, but there are situations when a mobile relay is preferable. For example, if the voltage of the electrical network "walks" over a wide range, it is impossible to officially achieve its normalization, and there is a desire to protect a particularly sensitive technique. The same old refrigerators that need to delay restarting after the compressor is turned off, at least. The recommended power filter allows you to adjust the re-start delay in a very wide range (up to 15 minutes). No less useful is its ability to respond at different speeds to moderate and significant voltage over the limit values. Finally, the PH-101M copes well with the suppression of high-frequency noise, well, it protects against high-voltage pulses in the presence of grounding.

This is an unusual network filter, which can be called a two-story. In the lower row there are five Slave sockets, while in the upper row there is one Master socket, three indicator lights and a switch. Defender DFS 805 is ideal for connecting to the power supply of the computer and various peripheral devices. You can be assured that the device will protect you from minor voltage surges and various interferences. The maximum you can connect devices with a total power of 2200 watts. Fuses will turn off the filter in case of exceeding this parameter or a strong voltage surge in the mains.