The coil was manufactured in China and took more than eight years to complete. At 11.5m in diameter, it is the second smallest of the six Iter ring-shaped magnets, but at 400 tonnes by far the heaviest.
The coil was delivered to Iter in June 2020 and was the first to be cold-tested on site. The coil is scheduled to be lowered into the tokamak assembly pit in April.
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