Trent 40AF Series 660V, 40 Amp Semiconductor I²t Fuse, aR BS88 Style Features Equivalent to Mersen 6.9 URS 17/40 M075888, Bussmann 40ET, ETI BS17UQ/63/40A/690V British Standard Fuse Links Package Wide Range of I²t Ratings up to 1000 Amp Busbar or Standoff Mounting IEC Standard 60269.1 AND 4 690 V Voltage Rating complying with IEC 33 Applications Protection of High Powered Semiconductors according to I²t Short Circuit Protection DC or AC Motor I²t Protection Battery Fuse Specification Trent Part Number 40AF Fuse Type I²t aR Class Nominal Voltage 690VAC @ 50Hz I²t Rating (IP < 30IN) 760 A²/s I²t Rating (IP > 30IN) 1080 A²/s Nominal Current (RMS + DC) 40 Amp Tested Breaking Capacity 200kA @ 690VAC Dimensions 17 x 49mm Hole Centers 60.9 - 65.6mm Mounting Style Busbar or Panel Mount with Standoff Operating Temperature Range -40°C / 125°C Watt Loss 10.5W Termination Style M6 Unit Weight 61g Factory Pack Qty 10 Datasheet Product Datasheet Cross Reference Chart