noun
isolation transformer
A transformer used to transfer electrical power between two circuits while isolating them electrically for safety or noise reduction.
医療機器には絶縁変圧器が使われている。
Isolation transformers are used in medical equipment.
絶縁変圧器は一次側と二次側を電気的に分離する。
An isolation transformer electrically separates the primary and secondary sides.
Compound of 絶縁 (ぜつえん, 'insulation') + 変圧器 (へんあつき, 'transformer').