12 Volt 5 Amp Transformer
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FAQ
- The room with the ups power supply why some cold start, and some to hot start, why the hot start must be connected to the mains. What is the difference between the internal principle of the product is it, thank you
- UPS normal start and cold start; normal start is a mains, there are batteries in the case of direct start UPS; cold start is no electricity, there are batteries, the battery directly start. A lot of Epson UPS is not one machine, there is no battery on the host, are external battery. There is no need to start the cold UPS power supply. If the battery fails, you can only replace the battery.
- How to buy UPS uninterruptible power supply?
- Estimate the power of the UPS power supply According to the computer and its external equipment, electricity consumption, calculate the total power consumption of equipment. The total power multiplied by the safety factor, that is, UPS power supply estimated power, safety factor is generally taken 1.2-1.3 is appropriate. In the selection of backup UPS power supply should pay attention to the problem In the choice of backup UPS power supply, special attention should be paid to the power switch time. Switching time, the main reaction in the UPS power supply switching time and the computer to switch the time requirements. If you choose improper, in the city power failure will cause the computer downtime, not up to the role of any ups power.
- What parameters need to be confirmed when purchasing a UPS power supply?
- UPS load power, minimum delay required, UPS output power factor to determine UPS model
- General household ups, can not external socket?
- Said so much to do, directly, you can pick up, but can not pick too much,
- UPS power supply alarm, may be normal power supply, how should deal with?
- UPS alarm points in several cases The general alarm is the discharge alarm, that is, when the power outage or mains voltage is lower than the UPS input range, UPS enabled battery power will always be alarmed to prompt you according to the situation before the battery runs out of information and so on. This time can be normal power supply. The alarm brake is released when the voltage is applied to the UPS input range. There are some alarm may be a little problem UPS, such as Hills and APC UPS when the machine problem, it will automatically bypass the output, you can use some of the normal function, but a power failure UPS may not start battery-powered. I hope to help you more information please give me a message consultation
- Output so 175 volts. Electricity is normal
- UPS output is a square wave output, with a universal meter can not accurately measure the voltage. Can only say that with a multimeter to measure more than 145V are normal. And can drive equipment. So do not worry. If the electricity if the 145V is difficult to drive the equipment
- Do not know why the day before with the good, the next day, plug the plug found that the computer is not powered, UPS backup lights have been flash, and has been "drops" ring. Pull the ups plug plug socket, the computer power is normal. Is not the UPS bad, or how.
- UPS power alarm, power is not enough ... can not afford the computer ..... first let it plug in 10 minutes, plug in the computer can boot ... remember to open the UPS power switch ah ... Or else it is really bad ... simply point that you only give it a separate charge, rushed into it is bad .
- Ups power and the general power of what is the difference
- UPS is an uninterruptible power system (English), is able to provide a sustained, stable, uninterrupted power supply of important external equipment.
