Heavy Duty Transformers: When
continuous power is needed for large appliances or electronic devices
such as; computers, power tools, kitchen appliances, stereos or any permanently
installed electrical equipment, you must use a heavy duty transformer. Two types
of heavy duty transformers are available: step up or step down. Step up
transformers increase 110-120 volts to 220-240 volts, for use with foreign
appliances in North America. Step down transformers decrease 220-240
volts to 110-120 volts for use with North American appliances overseas.
Models are available in wattage ratings from 100 to 1500 watts.
How To Find
Voltage And Wattage Ratings On Your Appliance
To determine the correct model voltage
converter or heavy duty transformer you need, you must know the voltage and
wattage requirements of your appliance. You can find this information listed on
the appliance manufacturer's label located on the back or bottom of the
appliance or in the specifications section of the appliance owner's manual. The
label or manual will show the input voltage (100, 120, 220, 240 written as: 120
volts, 120V, 120 volts AC, or 120VAC), the wattage (100 watts or 100W), or the
amperage (0.5 Amps or 0.5A or 500mA).
IMPORTANT NOTE: If only the amperage
rating is shown, multiply the input voltage by the amperage rating to find the
wattage rating. Volts x Amps = Watts or 120V x 0.5 A = 60W
Cycles - 50 Hz vs. 60 Hz
North American 110-120 volt electricity is
generated at 60 Hz. (Cycles) Alternating Current. Most foreign 220-240 volt
electricity is generated at 50 Hz. (Cycles) Alternating Current. This difference
in cycles may cause the motor in your 60 Hz. North American appliance to operate
slightly slower when used on 50 Hz. foreign electricity. This cycle difference
will also cause analog clocks and timing circuits that use Alternating Current
as a timing base to keep incorrect time. Most modern electronic equipment
including battery chargers, computers, printers, stereos, tape and CD players,
VCR/DVD players, etc. will not be affected by the difference in cycles.
IMPORTANT: Voltage converters and heavy duty transformers do not convert cycles.
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