Semiconductor Semiconductorfuses (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Main characteristics Recognized 650 to 1300VAC / 63 to 2800A. * * * * * * * * Exceptionally low I2T, Watt losses. Non-magnetic construction, highly reliable low voltage. Indicator system. Conformity to UL, CSA investigated, IEC, DIN and VDE standards. Increased technical performance Higher ratings. Reduction in volume and weight. This fuse preselection table indicates, for each size: -rated current (or rating) In - pre-arcing I2t (I2tp) at 1 ms - total operating I2t (I2tt) at 1000 V and 850V(I)f=50Hz, cos =0.15, and for a total operating time from 8 to 10 ms - dissipated power Pn at the rated current In, and at 0.8 In, in steady state - breaking capacity at various voltages, checked by tests made in accordance with IEC and American standards. Estimated breaking capacity: 300 kA PSC 650 to 1300VAC US and European standard Size Nominal Voltage UN (VAC) IEC 70 Total I2t @ 1000V (*) @ Un Rating (A) (kA2s) (kA2s) 50 63 80 100 125 160 200 250 280 315 350 400 450 500 550 630 160 200 250 280 315 350 400 450 500 500 550 630 630 700 800 900 0,116 0,210 0,470 0,830 1,30 2,55 4,7 9,6 14 20 28 39 62 84 128 176 2,6 4,7 8,9 12 16 22 38 47 68 68 84 125 125 180 290 446 0,7 1,2 2,7 4,8 7,5 15 27 55 82 115 158 224 356 483 576(*) 730(*) 15 27 51 68 92 127 220 270 390 390 485 725 725 1040 1540(*) 2010(*) UL 1250 1300 1200 1300 1100 1200 1000 800 750 1100 900 800 1250 1300 71 Ampere Pre-arcing I2t @ 1ms 1300 (TTI) 1100 1200 1000 1100 900 800 950 850 Tested Breaking capacity Power (W) End contacts Blades 16 26 27 30 38 45 54 58 61 66 68 81 82 83 83 91 46 54 61 68 73 76 76 87 90 X 98 105 X 105 116 120 16 26 27 30 38 45 56 61 64 72 75 90 82 83 83 91 46 54 61 70 76 80 80 95 X 100 112 X 120 105 116 120 IEC USA 100kA @ 1250V 100kA @ 1300V 100kA @ 1200V 100kA @ 1300V 150kA @ 1100V 150kA @ 1200V 120kA @ 1000V 120kA @ 1100V 100kA @ 800V 100kA @ 900V 100kA @ 750V 100kA @ 800V 100kA @ 1250V 100kA @ 1300V 150kA @ 1300V 150kA @ 1100V 150kA @ 1200V 150kA @ 1000V 150kA @ 1100V 100kA @ 900V 100kA @ 950V 100kA @ 800V 100kA @ 850V (1) at 850 V ( ) does not exist with blades 2 126 12/04 Semiconductor fuses Semiconductor (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Main characteristics PSC 650 to 1300VAC US and European standard Size Nominal Voltage UN (VAC) IEC 1300 1100 1200 1000 1100 850 900 72 73 1300 1200 1300 1100 1200 1000 1100 950 1000 900 1000 850 900 690 700 600 650 1250 2 x 72 1100 1000 900 750 650 1250 2 x 73 Pre-arcing I2t @ 1ms Rating (A) (kA2s) (kA2s) 280 315 350 400 450 500 550 630 630 700 800 700 800 900 1000 315 350 375 400 450 500 550 630 700 800 700 900 800 900 1000 1100 1100 1000 1100 1250 1400 1400 1500 1600 1800 630 700 800 900 1000 1100 1250 1400 1600 1800 2000 2200 2500 800 900 1000 1100 1250 1400 1600 1800 2000 2200 2500 2800 3000 3200 3600 10 15 21 32,5 44 57 68 105 105 145 215 145 215 312 439 12 17 19 25 35,5 44 57 84 110 190 110 250 190 250 370 445 445 370 445 585 755 755 1180 1430 2040 60 84 130 176 228 272 426 568 860 1250 1760 2410 3470 100 142 176 228 336 440 760 1000 1480 1780 2340 3000 4980 5720 8160 60 87 120 190 255 330 390 610 610 815 1240 815 1240 1800 2150(*) 68 100 110 145 205 255 330 485 640 1090 640 1090 1090 1440 2130 2555 2430(*) 1920(*) 2280(*) 3080(*) 4100(*) 3700(*) 4750(*) 5740(*) 7150(*) 348 480 760 1020 1320 1560 2440 3260 4895 6350(*) 7570(*) 8350(*) 12000(*) 580 820 1000 1300 1900 2600 4400 5800 8500 9632(*) 12075(*) 15000(*) 15700(*) 19030(*) 25200(*) UL 1250 1250 Ampere Total I2t @ 1000V (*) @ Un 1100 1000 950 900 850 600 550 1 ( ) at 850 V (2) does not exist with blades 12/04 SCAC127 Power (W) End contacts Blades 72 76 77 80 87 94 110 113 X 122 125 X X 130 136 84 86 72 76 77 80 89 98 120 X 125 140 146 140 146 152 136 84 86 93 99 110 116 125 135 136 X 150 X X 152 168 168 X X 186 210 210 200 203 206 160 162 168 183 197 231 237 256 262 275 285 320 340 195 208 231 244 262 283 286 315 319 353 390 440 405 426 430 93 100 112 120 132 X X 146 X 148 170 168 208 X 174 208 X X X X X X Tested Breaking capacity Estimated B.C 300 kA IEC USA 100kA @ 1250V 100kA @ 1300V 150kA @ 1100V 150kA a 1200V 150kA @ 1000V 150kA @ 1100V 100kA @ 850V 100kA @ 900V 100kA @ 1250V 100kA @ 1300V 100kA @ 1200V 100kA @ 1300V 150kA @ 1100V 150kA @ 1200V 150kA @ 1000V 150kA @ 1100V 150kA @ 950V 150kA @ 1000V 150kA @ 900V 150kA @ 1000V 150kA @ 850V 150kA @ 900V 180kA @ 690V 180kA @ 700V 120kA @ 600V 120kA @ 650V 100kA @ 1250V 100kA @ 1100V 100kA @ 1000V 100kA @ 900V 100kA @ 750V 100kA @ 650V 100kA@ 1250V 100kA @ 1100V 120kA @ 1000V 100kA @ 950V 110kA @ 900V 100kA @ 850V 200kA @ 600V 200kA @ 550V Semiconductor Semiconductorfuses (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC IEC Terminals - French 70 - 73 End contacts Size 70 71 72 73 Designation 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12 12 11 11 11 10 8 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 11 11 11 10 9 8 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 11 11 10 8,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12 10 9,5 9 8,5 6,9 6 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 70 URD 71 URD 71 URD 71 URD 71 URD 71 URD 71 URD 71 URD 71 URD 71 URD 71 URD 71 URD 71 URD 71 URD 71 URD 72 URD 72 URD 72 URD 72 URD 72 URD 72 URD 72 URD 72 URD 72 URD 72 URD 72 URD 72 URD 72 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT TT F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F 0050 0063 0080 0100 0125 0160 0200 0250 0280 0315 0350 0400 0450 0500 0550 0160 0200 0250 0280 0315 0350 0400 0450 0500 0550 0630 0700 0800 0900 0250 0280 0315 0350 0400 0450 0500 0550 0630 0700** 0800** 0900** 1000** 0315 0350 0400 0450 0500 0550 0630 0700 0800 0900** 1000** 1100** 1250** 1400** 1600** 1800** Reference Weight Packaging Number (g) Catalog Number C301095 M300483 N300484 P300485 Q300486 R300487 S300488 T300489 N300714 V300490 W300491 E300867 H301284 J301285 K301286 B300749 Z300517 A300518 P300715 B300519 C300520 D300521 E300522 F300523 G300524 H300525 M301288 Z300862 N301289 X301573 Y300493 Z300494 A300495 B300496 C300497 D300498 E300499 F300500 G300501 H300502 G300869 T301294 J300503 K300504 L300505 M300506 N300507 P300508 Q300509 R300510 S300511 T300512 V300513 W300514 T300696 S300718 B301301 C301302 PC70UD13C50TF PC70UD13C63TF PC70UD13C80TF PC70UD13C100TF PC70UD13C125TF PC70UD13C160TF PC70UD13C200TF PC70UD13C250TF PC70UD12C280TF PC70UD12C315TF PC70UD11C350TF PC70UD11C400TF PC70UD11C450TF PC70UD10C500TF PC70UD80V550TF PC71UD13C160TF PC71UD13C200TF PC71UD13C250TF PC71UD13C280TF PC71UD13C315TF PC71UD13C350TF PC71UD13C400TF PC71UD13C450TF PC71UD11C500TF PC71UD11C550TF PC71UD11C630TF PC71UD10C700TF PC71UD90V800TF PC71UD80VC900TF PC72UD13C250TF PC72UD13C280TF PC72UD13C315TF PC72UD13C350TF PC72UD13C400TF PC72UD13C450TF PC72UD13C500TF PC72UD13C550TF PC72UD13C630TF PC72UD11C700TF PC72UD11C800TF PC72UD10C900TF PC72UD85V1000TF PC73UD13C315TF PC73UD13C350TF PC73UD13C400TF PC73UD13C450TF PC73UD13C500TF PC73UD13C550TF PC73UD13C630TF PC73UD13C700TF PC73UD13C800TF PC73UD12C900TF PC73UD10C1000TF PC73UD95V800TFB PC73UD90V13CTF PC73UD85C14CTF PC73UD69V16CTF PC73UD60V18CTF 3 350 520 3 800 3 1250 1 P Microswitches and threaded studs supplied separately Note: Dimensions in mm Dimensions in inches Size 70 71 72 73 A 40 B 46,5 C 82 D 26 1-9/16" 1-27/32" 3-7/32" 1-1/64" 51 56,5 91 30 2" 2-7/32" 3-37/64" 1-3/16" 60 65,5 100 38 ; (42mm **) 2-3/8" 2-37/64" 3-15/16" 1-1/2" ; (1-21/32" **) 74,5 2-15/16" 79,5 3-1/8" 114 4-1/2" 46 ; (52mm **) 1-13/16" ; (2-1/16" **) SCAC130 M 22 N 27 19 24 E1 74 d M8 2-29/32" 74 M8 2-29/32" 19 39 74 M10 2-29/32" 24 39 74 2-29/32" M12 G0.1 9 P0.1 6 23/64" 15/64" 9 9 23/64" 23/64" 15 9 19/32" 23/64" 15 19/32" 9 23/64" 12/04 Semiconductor fuses Semiconductor (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC IEC Terminals - French 272 - 273 End contacts Size 73 2x 72 2x 73 Reference Number Designation 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12 10 9,5 9 8,5 12,5 12,5 12,5 12,5 12,5 12,5 11 11 10 9 7,5 6,5 6,5 12,5 12,5 12,5 12,5 12,5 11 11 11 10 9,5 9,5 9 8,5 6 6 5,5 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 73 URD 272 URD 272 URD 272 URD 272 URD 272 URD 272 URD 272 URD 272 URD 272 URD 272 URD 272 URD 272 URD 272 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 URD 273 PPAF PPAF PPAF PPAF PPAF PPAF PPAF PPAF PPAF PPAF PPAF PPAF PPAF PPAF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF TTF PLAF PLAF PLAF PLAF PLAF PLAF H300640 J300641 K300642 L300643 M300644 N300645 P300646 Q300647 R300648 S300649 T300650 V300651 T300719 V300720 W300721 X300722 Y300723 Z300724 A300725 B300726 M302231 D300728 L302230 E301994 F301995 G301996 H301997 F300730 G300731 H300732 J300733 K300734 K302229 J302228 S302236 P300738 Q300739 M301909 R300740 S300741 K301999 M302001 N302002 0315 0350 0400 0450 0500 0550 0630 0700 0800 0900 1000 1100 1250 1400 0630 0700 0800 0900 1000 1100 1250 1400 1600 1800 2000 2200 2500 0800 0900 1000 1100 1250 1400 1600 1800 2000 2200 2200 2500 2800 3000 3200 3600 Weight Packaging (g) 1250 PC73UD13C315PP4 PC73UD13C350PP4 PC73UD13C405PP4 PC73UD13C450PP4 PC73UD13C500PP4 PC73UD13C550PP4 PC73UD13C630PP4 PC73UD13C700PP4 PC73UD13C800PP4 PC73UD12C900PP4 PC73UD10C10CPP4 PC73UD95V11CPP4 PC73UD90V13CPP4 PC73UD85V14CPP4 PC272UD13C630TF PC272UD13C700TF PC272UD13C800TF PC272UD13C900TF PC272UD13C10CTF PC272UD13C11CTF PC272UD11C13CTF PC272UD11C14CTF PC272UD10C16CTF PC272UD90V18CTF PC272UD75V20CTF PC272UD65V22CTF PC272UD65V25CTF PC273UD13C800TF PC273UD13C900TF PC273UD13C10CTF PC273UD13C11CTF PC273UD13C13CTF PC273UD11C14CTF PC273UD11C16CTF PC273UD11C18CTF PC273UD10C20CTF PC273UD95V22CTF PC76UD95V22CP11 PC76UD90V25CP11 PC76UD85V28CP11 PC76UD60V30CP11 PC76UD60V32CP11 PC76UD55V36CP11 1 1900 1 2600 1 3100 1 Catalog Number 73 PPAF 272 &273 TTF 273 PLAF Microswitches and threaded studs supplied separately A 2 x 72 TTF 60 2 x 73 TTF 74,5 B C D E 138,5 167 172 200 11 13 91 91 F 65,5 79,5 G H J 100 114 35 50 66 80 Note: Dimensions in mm 12/04 SCAC131 K 39 39 d M 10 M 12 e L M N 4 4 131 131 48 54 72 86 Semiconductor Semiconductorfuses (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Curves set Multiplier coefficient K Left: Mean curve indicating variation of total I2t (I2t t) and total operating time Tt in accordance with working voltage U. 1,4 * 1,2 Example: Fuse 350 A in size 70. Ip = 10 000 A U = 1100 V 1 0,8 At 1000 V I2t t = 115 000 A2s Tt = 7 ms 0,6 At 1100 V I2t t = 115 000 x 1.13 = 130 000 A2s Tt = 7 x 1.13 = 7.9 ms 0,4 0,2 * curve for fuses with I2t published at 850VAC 0 0 200 400 600 800 1000 1200 U (V) Dissipated power Arc voltage P/Pn I/In Above left: Curve enabling calculation of dissipated power P by a fuse rated IN, as a function of the RMS current I, in multiples of IN, in steady state. Above right: Curve indicating peak arc voltage Um which may appear across fuse terminals as a function of working voltage U at cos = 0.15 SCAC134 12/04 Semiconductor fuses Semiconductor (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Curves set Size 70 Time-current characteristics Cut-off characteristics Curves indicating for each rated current the peak value Ic that the current may reach as a function of the prospective fault current Ip. Size 70 Time-current characteristics Curves indicating pre-arcing time for each rated current as a function of RMS value of pre-arcing current I. - Tolerances on this current 8 %. - Beyond 30 sec, small overloads must be eliminated by another device. - Curve CC' represents the maximum times taken by the associated device to clear small overloads; only its horizontal line is represented. Its oblique line must be plotted according to sketch, top right corner. - The intersection of the fuse and CC' curves indicates the minimum breaking current Ipm of the fuse. Maximum values of total operating I2t and total operating times Horizontal curves indicating the maximum values of total operating I2t (I2tt) as function of the prospective current Ip at 1000V or 850 V(*), cos = 0.15. The oblique lines indicate the corresponding total operating time Tt, with pre-arcing time in brackets. 12/04 SCAC135 Semiconductor Semiconductorfuses (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Curves set Cut-off characteristics Size 71 Time-current characteristics Curves indicating for each rated current the peak value Ic that the current may reach as a function of the prospective fault current Ip. Time-current characteristics Curves indicating pre-arcing time for each rated current as a function of RMS value of pre-arcing current I. - Tolerances on this current 8 %. - Beyond 30 sec, small overloads must be eliminated by another device. - Curve CC' represents the maximum times taken by the associated device to clear small overloads; only its horizontal line is represented. Its oblique line must be plotted according to sketch, top right corner. - The intersection of the fuse and CC' curves indicates the minimum breaking current Ipm of the fuse. Size 71 Maximum values of total operating I2t and total operating times Horizontal curves indicating the maximum values of total operating I2t (I2tt) as function of the prospective current Ip at 1000V or 850 V(*), cos = 0.15. The oblique lines indicate the corresponding total operating time Tt, with pre-arcing time in brackets. 136 12/04 Semiconductor fuses Semiconductor (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Curves set Time-current characteristics Size 72 Cut-off characteristics Below, right: Curves indicating for each rated current the peak value Ic that the current may reach as a function of the prospective fault current Ip. Time-current characteristics Size 72 Above, left: Curves indicating pre-arcing time for each rated current as a function of RMS value of prearcing current I. - Tolerances on this current 8 %. - Beyond 30 sec, small overloads must be eliminated by another device. - Curve CC' represents the maximum times taken by the associated device to clear small overloads; only its horizontal line is represented. Its oblique line must be plotted according to sketch, top right corner. - The intersection of the fuse and CC' curves indicates the minimum breaking current Ipm of the fuse. Maximum values of total operating I2t and total operating times Left: Horizontal curves indicating the maximum values of total operating I2t (I2tt) as function of the prospective current Ip at 1000V or 850 V(*), cos = 0.15. The oblique lines indicate the corresponding total operating time Tt, with pre-arcing time in brackets. 12/04 SCAC137 Semiconductor Semiconductorfuses (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Curves set Size 73 Time-current characteristics Cut-off characteristics Curves indicating for each rated current the peak value Ic that the current may reach as a function of the prospective fault current Ip. Time-current characteristics Curves indicating pre-arcing time for each rated current as a function of RMS value of pre-arcing current I. - Tolerances on this current 8 %. - Beyond 30 sec, small overloads must be eliminated by another device. - Curve CC' represents the maximum times taken by the associated device to clear small overloads; only its horizontal line is represented. Its oblique line must be plotted according to sketch, top right corner. - The intersection of the fuse and CC' curves indicates the minimum breaking current Ipm of the fuse. Maximum values of total operating I2t and total operating times Size 73 Horizontal curves indicating the maximum values of total operating I2t (I2tt) as function of the prospective current Ip at 1000V or 850 V(*), cos = 0.15. The oblique lines indicate the corresponding total operating time Tt, with pre-arcing time in brackets. SCAC138 12/04 Semiconductor fuses Semiconductor (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Curves set Size 2x72 Cut-off characteristics Time-current characteristics Curves indicating for each rated current the peak value Ic that the current may reach as a function of the prospective fault current Ip. Size 2X72 Time-current characteristics Curves indicating pre-arcing time for each rated current as a function of RMS value of pre-arcing current I. - Tolerances on this current 8 %. - Beyond 30 sec, small overloads must be eliminated by another device. - Curve CC' represents the maximum times taken by the associated device to clear small overloads; only its horizontal line is represented. Its oblique line must be plotted according to sketch, top right corner. - The intersection of the fuse and CC' curves indicates the minimum breaking current Ipm of the fuse. Maximum values of total operating I2t and total operating times Horizontal curves indicating the maximum values of total operating I2t (I2tt) as function of the prospective current Ip at 1000V or 850 V(*), cos = 0.15. The oblique lines indicate the corresponding total operating time Tt, with pre-arcing time in brackets. 12/04 SCAC139 Semiconductor Semiconductorfuses (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Curves set Size 2x73 Time-current characteristics Cut-off characteristics Curves indicating for each rated current the peak value Ic that the current may reach as a function of the prospective fault current Ip. Time-current characteristics Curves indicating pre-arcing time for each rated current as a function of RMS value of pre-arcing current I. - Tolerances on this current 8 %. - Beyond 30 sec, small overloads must be eliminated by another device. - Curve CC' represents the maximum times taken by the associated device to clear small overloads; only its horizontal line is represented. Its oblique line must be plotted according to sketch, top right corner. - The intersection of the fuse and CC' curves indicates the minimum breaking current Ipm of the fuse. Size 2x73 Maximum values of total operating I2t and total operating times Horizontal curves indicating the maximum values of total operating I2t (I2tt) as function of the prospective current Ip at 1000V or 850 V(*), cos = 0.15. The oblique lines indicate the corresponding total operating time Tt, with pre-arcing time in brackets. SCAC140 12/04 Semiconductor fuses Semiconductor (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Curves set DC working voltage possibilities Rated current IN(A) Curves (*) and Ipm (1) corresponding to the rating 70 71 72 73 2x72 2x73 *Ipm *Ipm *Ipm *Ipm *Ipm *Ipm (A) (A) (A) (A) (A) (A) 63 a 270 80 a 400 100 a 520 125 a 700 160 a 950 a 950 200 a 1300 a 1300 250 a 1800 a 1800 280 b 2200 a 2000 a 1800 315 b 2600 a 2300 a 2200 a 2000 350 c 3000 a 2700 a 2600 a 2400 Top: Curves indicating the maximum time constant L/R of the fault path as a function of the DC voltage U, for the rated currents in the sizes indicated in the table. 400 b 3500 a 3200 a 3000 450 b 4000 a 3800 a 3500 500 c 4800 a 4600 a 3900 550 c 5200 b 5000 a 4400 630 c 6400 b 6200 a 5300 a 4400 700 c 6800 a 6000 a 5200 800 c 8000 b 8000 a 6400 a 6000 900 b 9000 a 7600 a 7000 1000 c 11000 a 9200 a 7800 1100 c 12000 b 10000 a 8800 1250 c 13500 b 12400 a 10600 1400 c 15000 c 13600 a 12000 1600 c 16000 b 16000 1800 b 18000 2000 c 22000 2200 c 24000 2500 d 27000 2800 d 30000 Ipm (1) values indicate the minimum breaking current in Amperes (A). Remark: When the fault current di/dt is very large, this condition can be exceeded. It is the case for faults occurring in voltage commutated inverters. Below: Curves indicating peak arc voltage Um which may appear across fuse terminals as a function of the DC working voltage U, for various time constant L/R of fault path. 12/04 SCAC141 Semiconductor Semiconductorfuses (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650V to 1300 VAC Microswitches PSC 3x &7x - MICROSWITCH SYSTEMS ADAPTED TO THE FOLLOWING FERRAZ SHAWMUT FUSES ONLY: - PSC sizes 30, 31, 32, 33, 2x32, 2x33 / 70, 71, 72, 73, 272, 273 except plain blades - PSC LR sizes 33, 233, 73, 273 - PERMANENT INDICATION OF FUSE STATE: CONDUCTIVE MS 7V 1-5 BLOWN - MANUAL RESETTING - STANDRAD AND LOW ELECTRICAL LEVEL WITH DIFFERENT INSULATION LEVELS - BS TYPE FOR USE IN CORROSIVE ATMOSPHERE - MS 3V 1-5 UR AND MS 7V 1-5 UR TYPE UL ARE RECOGNIZED Main Characteristics Code MS 3V 1-5 MS 3V 1-5 UR MS 7V 1-5 MS 7V 1-5 UR MS 3V 1-5 BS MS 3V 1-9 BS MS 7V 1-5 BS MS 7V 1-9 BS MS 3V 1-5 ET MS 7V 1-5 ET AC Insulation voltage rating (***) 1000 V 1500V 1000 V 1500V 1000V 1500V Breaking Capacity AC voltage Impulse Positive Fire class withstand voltage test Current Uimp1.2/50 according operating Non inductive circuit Inductive circuit : L/R = 25ms test rating Current s to UL 94 voltage/current (*) 30V 110V 250V 30V 110V 250V (**) 20 V 50 mA 50/60 Hz 10 A 10 A 10 A 10 A 10 A 10 A 8,5 kV 14 kV DC 8 A 0,4 A 0,2 A 4 A 0,2 A 0,1 A 50/60 Hz 3 A 3 A 3 A 2 A 1 A 1 A 12 kV 8,5 kV 20 kV 3 A 0,5 A 0,25 A 3 A 0,2 A 0,1 A 12 kV 20 kV 8,5 kV 12 kV 14 kV 20 kV 10 A 10 V 10 mA 3A 10 V 10 mA 3A DC 50/60 Hz 3 A 3 A 3 A 3 A 0,5 A DC 2A 1A 1A 2 A 0,2 A - 14 kV H.B * Between power circuit and microswitch terminals as per IEC 60 and 694 and NFC 64010 (50/60 Hz 1 min duration in dry air) ** Between power circuit and microswitch terminals Uimp: impulse voltage as per IEC 60947-1 *** Between power circuit and microswitch terminals Warning: microswitch systems exclusively designed for FERRAZ SHAWMUT. PSC Fuses fitted a petented trip-indicator, saving use of EDV SCAC142 12/04 Semiconductor fuses Semiconductor (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650V to 1300 VAC Microswitches for PSC 3x &7x Indication systems for PSC Fuse sizes 30 to 73 MS 3V... These patented indication systems are exclusively hand resettable. Fuse size 4 1 Designation Indication style Weight (g) Standard NO-NC 34 Ref. Number Pack. Catalog Number 2 MS 3V 1-5 (fig.1) MS 3V 1-5 UR X31 MS30014 V1-5 42 MS 3V 1-5 BS 30, 31 (3) 32, 33 MS 3V 1-9 BS (4) 39 (fig. 1) MS 3V 1-5 ET (fig.2) position declenchee switched position 10 6.35 x 0.8 2 X310014 MS3V1-5 34.6 MS3 V1-5 3 pieces Y310038 MS3 V1-5UR W310013 Low level NO-NC 34 3 pieces MS3-V1-5BS MS3V1-9BS T310011 Double pole Low level 44 3 pieces R310009 Low level NO-NC IP 50 (9) 34 3 pieces MS3V1-5 ETANCHE (3) Same as fig.1 (4) Same dimensions as figure 1 but with 2 microswitches side by side (9) Watertightness class 1 4 X310014 10 32.7 4.75 x 0.5 1 4 (fig. 2) MS 7V... Fuse size Designation MS 7V 1-5 (fig.5) MS 7V 1-5 UR MS 7V 1-5 BS 70, 71 (3) 72, 73 MS 7V 1-9 BS (4) 4 1 Ref. Number J310002 Indication style 2 Weight (g) Pack. 45 3 pieces R310009 MS3V1-5 ET 32.7 Catalog Number MS7 V1-5 Standard NO-NC Z310039 MS7 V1-5UR K310003 Low level NO-NC 45 3 pieces MS7-V1-5BS MS7V1-9BS P310007 Double pole Low level 55 3 pieces S310010 Low level NO-NC IP 50 (9) 55 3 pieces MS7V1-5 ETANCHE 2 MS 7V 1-5 ET (fig.6) K MS731000 V1-5 3 BS 42 62,5 (fig. 5) (7) Same as fig. 5 (8) Same dimensions as figure 5 but with 2 microswitches side by side (9) Watertightness class Warning: Microswitch systems exclusively designed for FERRAZ SHAWMUT PSC fuses fitted with a patented trip-indicator, saving use of EDV. position declenchee switched position 10 6.35 x 0.8 10 4.75 x 0.5 4 1 (fig. 6) 2 34.5 12/04 1 4 K310003 MS7V1-5BS 32.7 SCAC143 2 S310010 MS7V1-5 ET 32.7 Semiconductor Semiconductorfuses (AC) fuses Protistor (R) Square-body Fuses PSC aR sizes 7x - 650 V to 1300 VAC Metric-studs Metric studs for threaded terminal fuses Designation Ref. Number Unit weight (g) Pack. Catalog Number Sizes 0 and 1 HC stud pair M8x30 & M8x35 S098801 23 6 pairs STU M8x30 M8x35 Size 2 HC stud pair M10x30 & M10x50 T098802 40 6 pairs STU M10x30 M10x50 Size 3 HC stud pair M12x35 & M12x50 V098803 60 6 pairs STU M112x35 M12x50 Size 2 HC stud pair M10x50 W098804 45 6 pairs STU M10x50 HC stud pair M12x50 X098805 45 6 pairs STU M12x50 Type and fuse size Size 3 We recommend the use of studs, whose quality is suited to all FERRAZ SHAWMUT square-body fuses with terminals Stud mounting Torque type Stud type Maximum stud tightning torque (Nm) (1) Maximum nut tightning torque (Nm) (1) M8x30 & M8x35 M10x30 & M10x50 M12x35 & M12x50 10 15 15 13.5 26 46 M8x30 & M8x35 M10x30 & M10x50 M12x35 & M12x50 10 15 15 13.5 26 46 M8x30 & M8x35 M10x30 & M10x50 M12x35 & M12x50 10 15 15 13.5 26 46 Balanced torque Balanced torque Unbalanced torque (1) Factory limit on torque at 20C ambient: +0, -2Nm; except on 46Nm value (+0, -4Nm) SCAC144 12/04