Low Voltage
One volt can be impressive too. Check out the 533 A current on the clamp meter from this transformer (above). It is a show of power when melting iron strips with low voltage.
“Continue reading” for more details of this interesting transformer.
The low voltage secondary is wound with 12 mm by 3 mm rectangular wire and is rated at 6 V 90 A. Seen here heating an iron strip from a transformer lamination with about 1.1 volts across the two bolts = 600 W. At this current it will melt if left on for more than a few seconds for the picture. Short circuit current is around 830 A plus. This was another of my junkyard cheapo transformers for around AUD$20.
Related pages
Spotwelder using Ultracapacitors
Spotwelder using this low voltage transformer
Try something else
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Photo Date: July 7, 2003