How much money will save Loss of neutral protection
SUNTEK Loss of neutral protection is a small device designed to protect all the devices connected to the sockets from damage when the zero burns out. How much money can be saved at the same time, let's try to understand this article.
Loss of neutral protection SUNTEK household appliance protection
Often in private homes or city apartments, you may encounter a situation where, due to an unexpected voltage surge, all electrical equipment that is plugged into the outlet fails. This is a classic version of the development of events during the burning of zero.
But how could this happen? Indeed, even from school, we know that there are two wires in the electric network: phase and zero. And if one of the wires breaks, then the connected devices do not break, just the current in the circuit disappears. This is true for a single-phase 220 Volt network, which we encounter every day in our own apartment or at work. But the fact is that from substations to our houses there is not a single-phase network, but a three-phase network, in which there are three phase wires and one zero. Such a four-core (or five-core with protective earth PE) cable enters the water distribution panel of each house. Then the phases are separated according to a certain scheme, so only one phase with a zero wire is brought to the apartment and we see the familiar 220 Volts in the socket. In this case, for the balanced operation of the three-phase circuit, the load between the phases should be approximately the same. To do this, an equal number of apartments are connected to each of the phases.
But it is clear that to achieve perfect consistency in the inclusion of certain household appliances between neighbors is simply impossible. Someone uses more appliances in everyday life, some less, some residents started repairs and launched powerful tools, while others went to the cottage and turned off all equipment.
The zero wire is just designed to equalize the resulting voltage imbalance with an uneven load on the phases. And every day he copes with this task. But when a zero break occurs, phase imbalance will invariably occur. Then, for one consumer in the network, the voltage jumps up to 380 Volts, while for others it drops to critically low values. A sharp drop in voltage is unlikely to cause much damage, the equipment will simply turn off, but a different thing is 380 volts in the outlet. Such a high voltage is extremely dangerous for devices and leads to their burnout.
Loss of neutral protection developed by SUNTEK is a solution to this problem. This is a small three-module device, two modules of which are a circuit breaker (characteristics C), and the third performs continuous network analysis. By installing the device on the input of electricity into an apartment or house you will be reliably protected from high voltage and the effect of "zero burning". If the threshold of 285 Volts is exceeded, the loss of neutral protection will instantly stop the supply of electricity to the object.
The range of SUNTEK loss of neutral protections is represented by the ratings: 25A, 32A, 40A, 50A, 60A, 63A.
SUNTEK loss of neutral protection It is not difficult to choose the right model correctly. To do this, it is necessary to calculate the total power of all electrical appliances and divide this value by the actual voltage in the network. Moreover, if the voltage is either increased or decreased, it is necessary to take the very minimum value.
Consider an example. Let's say in the house: a refrigerator with a volume of 320 l - 300 W (450 VA), a washing machine with a load of 5 kg - 2 kW (2.8 kVA), an LCD TV - 130 W (130 VA), a stove - 2 kW (2 kVA) ), an electric kettle - 1.8 kW (1.8 kVA), lighting 0.5 kW (0.5 kVA). We get the total apparent power of electrical appliances 7680 VA. Divide by the lowest voltage in the network (we take it equal to 200V). Then the maximum current in the network is 38.4A, which means you should opt for loss of neutral protection 40A.
In this example, the total cost of electrical appliances is about 1500$. Now imagine how much all the equipment in your house costs. Perhaps a little less, but most likely more. After all, it’s difficult for a modern person to spend even one day without all kinds of gadgets, audio, video equipment and kitchen appliances, etc. And when you burn out zero, you can lose all this equipment at one moment, and there may be big losses if it comes to a fire. Of course, zero burning does not happen every day, and the electric network in your house can function normally for a year, two, and ten years, but such a situation cannot be completely ruled out. An accident can happen at any moment, or it may never happen. But why take the risk?
UZON SUNTEK worth 24$, will react in time to a power surge in excess of 285 Volts, automatically turn off the power supply and thereby save equipment, as well as your strength, time and nerves.