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In America it should be 60hz. But you can hook up a power meter to the line and find out the real frequency and voltage of the common household or office power line. You may be surprised at the number of spikes and drops in voltage and frequency in a household line.
A good UPS can some times tell you as well.
Wiki User
∙ 13y ago
Wiki User
∙ 16y agolook at the label on the outside of the power supply
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What is power rating for power supply of a toshiba satellite L305?
This is not a desktop computer and does not have a PSU, power supply unit. AC Adapter75W (19V 3.95A) Auto-sensing, 100-240V / 50-60Hz inputBatteryLi-Ion (4000mAh, 6-Cell)
Can you use 24v 3a power supply instead of 24 2.3a?
Yes. You can surely use the same one. What matters more is the current rating. If the current rating is more than that required and the voltage is same then it will do.
What does the power rating of an electrical appliance mean?
what is the power rating of energy
What us the rating of the fuse which is most Commondly fitted to three pin plugs?
If you are referring to the standard plug used in the UK, then the maximum rating fuse is 13 A, which can supply a load of approximately 3 kW. But the fuse fitted must match the power-rating of the load, so lower-rated fuses are available; for example, a 3-A fuse can supply up to about 700 W.
Say the power consumption of my 12v devise is 80 mA or less and the instructions say use a 12v 300 mA power supply and I use a 12v 800mA OK or not?
Generally, yes. If your devise will only draw 80mA, it will do it whether it is connected to a supply that is capable of supplying 300mA or 800mA. The amperage rating on the power supply is the highest current that it is rated for. It will easily and safely provide less current. The load that is connected to the power supply will determine the actual amount of current.
What is the speed of the power supply?
Power supplies don't have a speed rating.
What is the power consumption for a 3 phase of 415 volt equipment?
The power supplied by a three-phase supply, or any supply come to that, is determined by the LOAD, and not by the supply. So you must look at the data provided on the equipment's nameplate to find out what its power rating is.
What will happen if i connect a power supply of higher current rating to lower current load?
The supply won't have to work as hard. It is perfectly acceptable, for example, to use a 1A, 12v supply to supply a 12v, .5A load. The current rating indicates the ability of the supply to dissipate heat caused by the current flowing. If the load current is above the power supply current rating, the power supply will overheat.
What is the speed of a computer power supply?
Power supplies don't have a speed rating.
What is power supply at room temperature called?
peak rating
What is the current rating using a 230v supply motors power is 500w?
3 amps
What is theTransformer rating in a power supply?
a power supply must deliver xxx watts to a load the transformer must match the load capabilities plus its own loss
How do you figure out the amps of a transformer when it only tells you it puts out 20 vdc?
I suspect you are referring to an external power supply for a device, which consists of a transformer and a smoothing circuit of some kind. Look on the device it powers, there may well be a rating plate or an input fuse. You might also find a VA rating or wattage rating. If so, Google for power formulae to manipulate to find amps.
What is the energy consumption for home phone?
Minimal. The phone should have a power rating on it somewhere, most likely on the bottom or on the power supply.
Can you use a 13v 850ma power supply in place of 13v 800ma?
Yes. The voltage is the same on each. The ma rating of the power supply is the current the supply can handle before burning up. So if your appliance is designed to work on an 800ma supply, an 850ma supply will do fine.
Can you run a three phase appliance on 240 volt power supply?
No. You need a 3-phase supply that matches the voltage and current rating of your appliance.
What effect does a power spike have on a computer?
A power spike - also known as a power surge - could harm a computer if the computer's power supply has a low joule (unit of energy) rating. A power spike, a sudden increase in energy, can overwhelm a computer's power supply and cause too much electricity to flow to sensitive chips and processors and destroy them. To safeguard against power spikes a surge protector should be bought. A computer power supply with a high joule resistance rating would work as well.
