Trent RT18-63L Series 690V Semiconductor I²t Fuse Holder, Fuse Ratings up to 63 Amp Features Cylindrical Standard Fuses Sizes Finger Safe IP 20 Protection Optional Fuse Indicator DIN Rail Mount Modular Lockable IEC Standard 60269.2 AND 3 Applications Solid State Relay Switchboards Bridge rectifier Fusing Protection of High Powered Semiconductors according to I²t Short Circuit Protection DC or AC Motor I²t Protection Battery Fuse Specification Trent Part Number RT18-63L Fuse Holder Type IEC Fuse Holder Nominal Voltage 690VAC @ 50Hz I²t Rating (Pre-Arcing) N/A Nominal Current (RMS + DC) 63 Amp (63 continuous) Tested Breaking Capacity 160kA @ 690VAC Dimensions 123 x 76 x 37.5mm Fuse Compatibility To suit 22 x 58mm cylindrical fuse Mounting Style Din Rail Mount Operating Temperature Range -40°C / 125°C Watt Loss N/A DC Breaking Capacity 50kA Unit Weight 70g Factory Pack Qty 10 Datasheet Original Mersen Datasheet Compatible Fuses Equivalent to Mersen T331079 nbr-fr22aR69v25t nbr-fr22aR69v40t nbr-fr22aR69v63t nbr-fr22aR69v80t nbr-fr22aR69v125t