52.33mm, 10 coils, black color, for high voltage applications. The SUPERIOR ELECTRIC part 10C is a top-quality transformer designed for superior performance and durability. With its compact size of 71.9 X 71.9mm and a sleek black color, this transformer is suitable for various high voltage applications. It features 10 coils, ensuring efficient power distribution. With a size of 52.33mm, it perfectly fits into tight spaces. Count on SUPERIOR ELECTRIC for reliable and innovative electrical solutions.