... -1,FS-2,FS-3,FS-3(),EKW-5A-B,FKW-5A,VFS-201,KH8012,LT2(),F2-Q,YDT1- ... instantaneous trip switch for the main components, a pair of normally closed and a pair of normally open contacts, the electrical properties and mechanical properties of reliability, security.4 ... department. Our QC dept specializes in controlling orders on the line, and inspections prior to packing. Quality control is performed ...