Special Purpose Fuses LA70QS French Cylindrical Fuses 690 Volts • Very Fast Acting • 10 – 100 Amperes Ordering Information LA 70 QS 20 -14F I Littelfuse Voltage (700) Style Ampere Rating Size 14 x 51mm 22 x 58mm 14F 22F Optional Striker (I) B C A Special Purpose Fuses Littelfuse French Cylindrical style semiconductor fuses are an extension to the LA70QS series. They offer a solid-fill design with high interrupting ratings and an optional striker for visual or remote blown fuse indication. The international 14x51mm and 22x58mm sizes are accepted worldwide. B C D E A Catalog Numbers & Technical Data 98 Ampere Rating Littelfuse Catalog Number (No Striker) 10 12 16 20 25 32 40 50 20 25 32 40 50 63 80 100 LA70QS10-14F LA70QS12-14F LA70QS16-14F LA70QS20-14F LA70QS25-14F LA70QS32-14F LA70QS40-14F LA70QS50-14F LA70QS20-22F LA70QS25-22F LA70QS32-22F LA70QS40-22F LA70QS50-22F LA70QS63-22F LA70QS80-22F LA70QS100-22F Littelfuse Catalog Body Number Size (With Striker) LA70QS10-14FI LA70QS12-14FI LA70QS16-14FI LA70QS20-14FI LA70QS25-14FI LA70QS32-14FI LA70QS40-14FI LA70QS50-14FI LA70QS20-22FI LA70QS25-22FI LA70QS32-22FI LA70QS40-22FI LA70QS50-22FI LA70QS63-22FI LA70QS80-22FI LA70QS100-22FI 14x51 14x51 14x51 14x51 14x51 14x51 14x51 14x51 22x58 22x58 22x58 22x58 22x58 22x58 22x58 22x58 Maximum Watts Loss Clearing I2 t @ Rated @700 VAC Current (W) 2 3 (A S x 10 ) 0.04 0.06 0.10 0.16 0.27 1.50 0.70 1.50 0.076 0.125 0.27 0.48 0.80 1.85 3.80 8.00 3.5 4.4 4.8 5.2 5.8 7.0 10.7 11.6 8.0 10.0 11.0 13.0 14.9 16.0 17.8 19.0 Fuse Size 14x51 (no striker) 22x58 (no striker) 14x51 (with striker) 22x58 (with striker) Dimensions in mm A 14 22 14 22 B 51 58 51 58 C 14 16 14 16 D – – 7.5 7.5 E – – 3.8 3.8 Dimensions for reference only. Specifications Voltage Rating: Interrupting Rating: Ampere Range: Approvals: AC: 690 Volts DC: 700 Volts AC: 200,000 Amperes DC: 100,000 Amperes 10 – 100 Amperes UL Recognized under the components program. CSA Certified. Recommended Fuse Blocks CYH series for non-striker fuses LA70QS(amp)22F LPSG series for the striker style LA70QS(amp)22FI www.littelfuse.com © 2005 Littelfuse • POWR-GARD™ Products Catalog