Semiconductor (A)(AC)fuses Semiconductor fuses American Round Fuses Other American Fuses A70QS French Cylindrical Semiconductor Protection Fuses Features/Benefits These Premium Amp-trap(R) French Cylindrical Semiconductor Fuses are an extension of the popular A7OQS product line. They are solid-fill 14mm and 22mm fuses, IEC rated 690VAC, 200kA Interrupting and 700VDC, 100kA interrupting at 10ms time constant. In addition, these fuses have an 890 VDC rating for capacitor discharge applications up to 2.5ms time constant. All ampere ratings are available with a striker. Applications include small inverter drives and UPS systems, with superior l2t for improved protection and performance. * International 14x51mm (2"x9/16") and 22x58mm (2-1/4"x13/16") sizes for worldwide acceptance * Ferrule mount up to 100A for design versatility * Very low I2t for improved semiconductor protection * 690V IEC rated, tested at 760VAC; can be used up to 750VAC in U.S. * 700VDC rated for dc protection of equipment with L/R 10ms/c * Superior cycling ability for longer life on difficult cyclic loading applications * aR characteristic for semiconductor short- circuit protection Ratings Approvals Highlights Applications * AC: 10-100A 690VAC, 200kA I.R. * UL Recognized Component * IEC tested at 760VAC * CSA Certified * DC: 700VDC, 100kA I.R L/R=10ms 890VDC, 127kA I.R. L/R=2.5ms * IEC 269-4 Compliance * 14 x 51 and 22 x 58 * Small inverters, sizes UPS systems, * 690VAC IEC Rated motor drives and (760VAC Max.) similar 700V or * 700VDC rated less equipment * Superior Cycling Ability * Low Watts Loss * Optional Striker forVisual/Remote Indication Catalog Numbering System A70 QS 20 Mounting: * US14 or US22 "finger-safe" IP 20 grade holders, DIN rail or screw mount, with striker actuated microswitch indication available. * 703 Series open fuse blocks 14F I Amp-trap(R) Fuse Family Style/Design Amperes* Size: 14F = 14 x 51 mm 22F = 22 x 58 mm Optional Striker I SCAC46 12/04 Semiconductor Semiconductor (AC) fuses (A) fuses American Round Fuses Other American Fuses A70QS French Cylindrical Semiconductor Protection Fuses Ratings and Application Data Body Size (mm) Ampere Rating (A) Melting I2t (A2s X 103) Max. Clearing I2t @ 700VAC (A2s X 103) Watts Loss @ Rated Current (W) No Striker With Striker 6 8 10 12 16 20 25 32 40 50 10 15 20 25 32 40 50 63 70 80 90 100 0.0013 0.0024 0.0043 0.0054 0.0132 0.027 0.053 0.098 0.13 0.28 0.0043 0.008 0.013 0.02 1.04 1.09 0.16 0.35 0.52 0.73 1.10 1.56 0.017 0.027 0.04 0.06 0.10 0.16 0.27 0.50 0.70 1.50 0.025 0.049 0.076 0.125 0.27 0.48 0.80 1.85 2.80 3.80 5.64 8.00 2.0 2.8 3.5 4.4 4.8 5.2 5.8 7.0 10.7 11.6 4.0 6.2 8.0 10.0 11.0 13.0 14.9 16.0 16.5 17.8 17.0 19.0 A70QS6-14F A70QS8-14F A70QS10-14F A70QS12-14F A70QS16-14F A70QS20-14F A70QS25-14F A70QS32-14F A70QS40-14F A70QS50-14F A70QS10-22F A70QS15-22F A70QS20-22F A70QS25-22F A70QS32-22F A70QS40-22F A70QS50-22F A70QS63-22F A70QS70-22F A70QS80-22F A70QS90-22F A70QS100-22F A70QS6-14FI A70QS18-14FI A70QS10-14FI A70QS12-14FI A70QS16-14FI A70QS20-14FI A70QS25-14FI A70QS32-14FI A70QS40-14FI A70QS50-14FI A70QS10-22FI A70QS15-22FI A70QS20-22FI A70QS25-22FI A70QS32-22FI A70QS40-22FI A70QS50-22FI A70QS63-22FI A70QS70-22FI A70QS80-22FI A70QS90-22FI A70QS100-22FI 14 x 51 22 x 58 Catalog Number *100kA, L/R = 11.6ms No Striker With Striker Dimensions-mm Fuse Size 14 X 51 22 X 58 Dimensions-mm A B C 14 22 51 58 14 16 Fuse Size 14 X 51 22 X 58 A B C D E 14 22 51 58 14 16 7.5 7.5 3.8 3.8 D A A C C B 12/04 E B SCAC47 Semiconductor (A)(AC)fuses Semiconductor fuses American Round Fuses Other American Fuses A70QS French Cylindrical Semiconductor Protection Fuses Melting Time-Current Data A70QS6 TO 50 (14F, 14FI) A70QS50 TO 60 (14FI) a = 130 B1 = 1,25 A2 = 0,6 B2 = 0,6 Cf3 = 0,8 A70QS25 TO 100 (22F, 22FI) a = 130 A2 = 0,6 a = 130 B1 = 1,25 A2 = 0,6 B2 = 0,6 Cf3 = 0,8 B1 = 1,25 B2 = 0,6 Cf3 = 0,8 These curves indicate, for each rated current, the pre-arcing (melting) time vs. the R.M.S. current. Clearing I2t vs. Operating Voltage Peak arc voltage vs. Operating Voltage A70QS6 TO 60 (14F, 14FI) MAX PEAK ARC VOLTAGE CORRECTION FACTOR FOR I2T A70QS6 TO 60 (14F, 14FI) OPERATING VOLTAGE OPERATING VOLTAGE A70QS25 TO 100 (22F, 22FI) MAX PEAK ARC VOLTAGE CORRECTION FACTOR FOR I2T A70QS25 TO 100 (22F, 22FI) OPERATING VOLTAGE OPERATING VOLTAGE SCAC48 12/04 Semiconductor Semiconductor (AC) fuses (A) fuses American Round Fuses Other American Fuses A70QS French Cylindrical Semiconductor Protection Fuses Peak Arc voltage vs. DC circuit voltage A70QS6 TO 60 (14F, 14FI) A70QS6 TO 60 (14F, 14FI) TIME CONSTANT L/R PEAK ARC VOLTAGE D.C. Applications Data DC Voltage Capabilities vs. Time Constant DC CIRCUIT VOLTAGE DC VOLTAGE CAPABILITY SEE MELTING-TIME CURRENT DATA FOR MINIMUM BREAKING CURRENT. DC Voltage Capabilities vs. Time Constant Peak Arc voltage vs. DC circuit voltage A70QS25 TO 100 (22F, 22FI) TIME CONSTANT L/R PEAK ARC VOLTAGE A70QS25 TO 100 (22F, 22FI) DC CIRCUIT VOLTAGE DC VOLTAGE CAPABILITY These curves provide the DC voltage capability of the fuse as a function of circuit time constant. (L/R ratio) 12/04 These curves show the peak value Um of the arc voltage which appears across the fuse link as a function of the operating voltage U. SCAC49