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Bringing to Japan

M

Mike58

Junior Member
I'm moving to Japan for a year or so.

My plan is to purchase components here in the US (including ASUS P6TD Deluxe), but buy the case and Power Supply in Japan.

I'm doing this for traveling weight reasons, cost reasons, and 100VAC 50Hz reasons.

Can I expect PS output cables to be compatable the P6TD?

Mike
 
The important issues are the input voltage range and frequency (50/60 Hz) the PSU will accept, the output voltages and the current the PSU can supply at each output voltage.

Japan's power system supplys 100 volts at either 50 or 60 Hz, depending on the location. Most current ATX power supplies are designed to work over the range from 100 - 240VAC. A well designed supply will include a tolerance, typically ±10%, to allow for low and high voltage conditions. That means it will actually deliver its full power spec when the line voltage drops to 90 VAC. For example, here's Antec's specs for its TP-650 True Power supply:

Input Voltage: 100~240VAC ±10%
Input frequency Range: 47Hz ~ 63Hz
Input Current: 9A @ 115VAC, 4.5A @ 230VAC
Efficiency: Min 82% at full load
Click to expand...

AC voltage and frequency in Japan.

Although the mains voltage in Japan is the same everywhere, the frequency differs from region to region. Eastern Japan uses predominantly 50 Hz (Tokyo, Kawasaki, Sapporo, Yokohama, Sendai), whereas Western Japan prefers 60 Hz (Osaka, Kyoto, Nagoya, Hiroshima).
Click to expand...

You should be able to build and test your complete system, here, and take it with you. Since you'll be running it at the low end of the input voltage range and possibly, the worst case frequency, 50 Hz, be sure to select a high quality supply from a manufacturer whose specs you can trust.

As a further precaution to protect your system against damage under marginal conditions, you could buy a battery backed UPS with surge protection and a line conditioner.

If you have further questions, you may want to check the specs for supplies sold in Japan and/or contact the tech support for any maker whose supply you're considering.

Hope that helps. 🙂
 
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