Current transformer Strömberg KOLMA06-A1 kierr 10-20-70-50
https://www.jt-export.com/shop/mm-62-current-transformer-stromberg-kolma06-a1-kierr-10-20-70-50-4565
https://www.jt-export.com/web/image/product.template/4565/image_1920?unique=6903250
Product has working quarantee.