Especially high initial permeability and saturation flux density Low iron losses Excellent temperature stability Ring core for GFCI:Detailed Selling Lead Description Permalloy Toroidal Laminated Cores:1.High initial permeability2. High Saturation flux density3.Low Iron losses4.Size: 15.0mm*8.7*3.25.Other spec are also available according to your request HP1301C Ring core for GFCI
[China Manufacturers]