| 摘要 |
<p>PURPOSE:To realize a current transformer which can be adapted for various safety standards and has a small size with a low cost. CONSTITUTION:The current transformer separately comprises a bobbin 31 having a cylindrical part in which a secondary side coil 34 is wound and a case 30 having a winding hole for holding a primary side coil 33. The bobbin is engaged with the case.</p> |
