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a variable AC input to a transformer input DC bridge rectifier to produce a variable output
Max. 500VA,Input Voltage: AC 110V/60Hz ,Output Voltage: AC 0-130V/60Hz
This variable transformer is the perfect speed controller. The speed is infinitely variable, and because a transformer doesn't chop up the AC waveform like electronic speed controllers do, there's no noise, humming, etc.
In order to purchase the right variable transformer, it is critical that you know the amp usage by your electronic device. It is always best to be conservative otherwise you risk destroying the variac and it can be very dangerous. For example, if your device requires 5 amp, buy the variac with up to 10 amp. A rating of 500VA means that at 100volt, the unit can sustain at maximum 5amp.
Using it for Guitar Amp ("Brown-Sound") and for controlling a transformer for Lichtenberg wood burning
How to choose a regulator? It is very simple, please select the corresponding specification voltage regulator according to the load current. Application: The product is special auto transformer which is connected in different forms. Its output voltage can be regulated smoothly and continuously from zero to the maximum. The provision of and indication meter is made for the models TDGC2 0.2, 0.25, 0.5KVA. All models find popular application in industries, agriculture and scientific researches, and are particularly suited to serve as ancillary facilities for such equipment as various machine tools, transistor curve tracers,projecting TV sets, and analytical instruments in petroleum industry, etc. 5 Amp Variable Transformer, 0.5KVA , 0~130 Volt Output Material:Iron (shell),Copper coil Color:Red Max. 500VA Input Voltage: AC 110V/60Hz Output Voltage: AC 0-130V/60Hz Max output:5 Amps Plug Type:US Plug Condition Temperature:10MΩ Power Cord length: Approx. 125cm/5" Dimensions: 14x11x14.5cm/5.51x4.33x5.71" Packaged included: 1 x AC Power Transformer 1 x User Manual