Transformer Differential Protection – Ashida Electronics 7 years ago ID: #42433 Listed In : Electronics Ashida Electronics Pvt. Ltd. Ashida House, Plot No. A-308, Road No. – 21, Wagle Industrial Estate, Thane – 400604, India 02261299124 Facebook Twitter Business Description Ashida Electronics providing transformer differential protection. Transformer Protection-ADR233B is second generation Numerical Transformer Differential + Over Current Protection Relay. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : transformer differential protection