Extremely high breaking capacity fuses: Protection of power semiconductors as per IEC standard 60269-1 and -4 690V voltage rating as per IEC 33 gR class (current ratings 12 to 90A) as per VDE 636-23 - Clearing all overloads - Improved safety and protection - Enabling selective coordination with all fuses within distribution circuit aR class (current ratings 100A) according to VDE 636-23 and IEC 60269-4 Connection as per: - German standard DIN 43653/00C - British standard BS88-4 These fuses are UL Recognized