Main characteristics Recognized 650 to 300VAC / 63 to 2800A. Exceptionally low I 2 T, 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 I 2 t (I 2 tp) at ms - total operating I 2 t (I 2 t t ) at 000 V and 850V(I)f=50Hz, cos ϕ =0.5, and for a total operating time from 8 to 0 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. PSC 650 to 300VAC US and European standard Estimated breaking capacity: 300 ka Total I 2 t @ Nominal Voltage Pre-arcing 000V Tested Breaking capacity Size U N (VAC) Ampere I 2 t @ ms (*) @ Un Power (W) Rating (A) (ka 2 s) (ka 2 s) IEC UL End contacts Blades IEC USA 50 0,6 0,7 6 6 63 0,20,2 26 26 80 0,470 2,7 27 27 00 0,830 4,8 30 30 250 300 25,30 7,5 38 38 00kA @ 250V 00kA @ 300V 60 2,55 5 45 45 200 4,7 27 54 56 250 9,6 55 58 6 70 280 4 82 6 64 200 300 35 20 5 66 72 00kA @ 200V 00kA @ 300V 350 28 58 68 75 00 200 400 39 224 8 90 50kA @ 00V 50kA @ 200V 450 62 356 82 82 000 00 500 84 483 83 83 20kA @ 000V 20kA @ 00V 800 900 550 28 576(*) 83 83 00kA @ 800V 00kA @ 900V 750 800 630 76 730(*) 9 9 00kA @ 750V 00kA @ 800V 60 2,6 5 46 46 200 4,7 27 54 54 250 8,9 5 6 6 280 2 68 68 70 00kA @ 250V 00kA @ 300V 250 300 35 6 92 73 76 350 22 27 76 80 400 38 220 76 80 450 47 270 87 95 7 300 (TTI) 500 68 390 90 X 50kA @ 300V 00 200 500 68 390 X 00 550 84 485 98 2 50kA @ 00V 50kA @ 200V 630 25 725 05 X 000 00 630 25 725 X 20 700 80 040 05 05 50kA @ 000V 50kA @ 00V 900 950 800 290 540(*) 6 6 00kA @ 900V 00kA @ 950V 800 850 900 446 200(*) 20 20 00kA @ 800V 00kA @ 850V 26 ( ) at 850 V ( 2 ) does not exist with blades
Main characteristics PSC 650 to 300VAC US and European standard Total I 2 t @ Nominal Voltage Pre-arcing 000V Tested Breaking capacity Size U N (VAC) Ampere I 2 t @ ms (*) @ Un Power (W) Estimated B.C 300 ka Rating (A) (ka 2 s) (ka 2 s) IEC UL End contacts Blades IEC USA 280 0 60 72 72 35 5 87 76 76 350 2 20 77 77 400 32,5 90 80 80 250 300 450 44 255 87 89 00kA @ 250V 00kA @ 300V 500 57 330 94 98 550 68 390 0 20 72 630 05 60 3 X 630 05 60 X 25 50kA @ 00V 50kA à 200V 00 200 700 45 85 22 40 800 25 240 25 46 700 45 85 X 40 50kA @ 000V 50kA @ 00V 000 00 800 25 240 X 46 900 32 800 30 52 850 900 000 439 250(*) 36 36 00kA @ 850V 00kA @ 900V 35 2 68 84 84 350 7 00 86 86 375 9 0 400 25 45 93 93 450 35,5 205 99 00 250 300 500 44 255 0 2 00kA @ 250V 00kA @ 300V 550 57 330 6 20 630 84 485 25 32 700 0 640 35 X 800 90 090 36 X 200 300 700 0 640 X 46 900 250 090 50 X 00kA @ 200V 00kA @ 300V 73 00 200 800 90 090 X 48 50kA @ 00V 50kA @ 200V 900 250 440 X 70 50kA @ 000V 50kA @ 00V 000 00 000 370 230 52 68 00 445 2555 68 208 950 000 00 445 2430(*) 68 X 50kA @ 950V 50kA @ 000V 000 370 920(*) X 74 900 000 00 445 2280(*) X 208 250 585 3080(*) 86 X 50kA @ 900V 50kA @ 000V 400 755 400(*) 20 X 850 900 400 755 3700(*) 20 X 50kA @ 850V 50kA @ 900V 690 700 500 80 4750(*) 200 X 600 430 5740(*) 203 X 80kA @ 690V 80kA @ 700V 600 650 800 2040 750(*) 206 X 20kA @ 600V 20kA @ 650V 630 60 348 60 700 84 480 62 250 800 30 760 68 900 76 020 83 00kA @ 250V 000 228 320 97 00 272 560 23 2 x 72 250 426 2440 237 00 400 568 3260 256 00kA @ 00V 000 600 860 4895 262 00kA @ 000V 900 800 250 6350(*) 275 00kA @ 900V 750 2000 760 7570(*) 285 00kA @ 750V 650 2200 240 8350(*) 320 2500 3470 2000(*) 340 00kA @ 650V 800 00 580 95 900 42 820 208 250 000 76 000 23 00kA@ 250V 00 228 300 244 250 336 900 262 400 440 2600 283 2 x 73 00 600 760 4400 286 00kA @ 00V 800 000 5800 35 000 2000 480 8500 39 20kA @ 000V 950 2200 780 9632(*) 353 00kA @ 950V 900 2500 2340 2075(*) 390 0kA @ 900V 850 2800 3000 5000(*) 440 00kA @ 850V 600 3000 4980 5700(*) 405 3200 5720 9030(*) 426 200kA @ 600V 550 3600 860 25200(*) 430 200kA @ 550V ( ) at 850 V ( 2 ) does not exist with blades SCAC27
American Terminals - 70-73 End contacts Size Designation Reference Number Weight (g) Packaging Catalog Number 70 7 72 73 A30URD 70 TTI 0063 A30URD 70 TTI 0080 A30URD 70 TTI 000 A30URD 70 TTI 025 A30URD 70 TTI 060 A30URD 70 TTI 0200 A30URD 70 TTI 0250 A30URD 70 TTI 0280 A30URD 70 TTI 035 A20URD 70 TTI 0350 A30URD 7 TTI 060 A30URD 7 TTI 0200 A30URD 7 TTI 0250 A30URD 7 TTI 0280 A30URD 7 TTI 035 A30URD 7 TTI 0350 A30URD 7 TTI 0400 A30URD 7 TTI 0450 A30URD 7 TTI 0500 A20URD 7 TTI 0550 A20URD 7 TTI 0630 A30URD 72 TTI 0280 A30URD 72 TTI 035 A30URD 72 TTI 0350 A30URD 72 TTI 0400 A30URD 72 TTI 0450 A30URD 72 TTI 0500 A30URD 72 TTI 0550 A30URD 72 TTI 0630 A20URD 72 TTI 0700 A20URD 72 TTI 0800 A30URD 73 TTI 035 A30URD 73 TTI 0350 A30URD 73 TTI 0400 A30URD 73 TTI 0450 A30URD 73 TTI 0500 A30URD 73 TTI 0550 A30URD 73 TTI 0630 A30URD 73 TTI 0700 A30URD 73 TTI 0800 A30URD 73 TTI 0900 ** A0URD 73 TTI 000 ** A00URD 73 TTI 00 ** A00URD 73 TTI 250 ** A090URD 73 TTI 400 ** A070URD 73 TTI 600 ** A065URD 73 TTI 800 ** Q3005 R3006 S3007 T3008 V3009 W30020 X3002 Y30022 Z30023 A30024 B30025 C30026 D30027 E30028 F30029 G30030 H3003 J30032 K30033 L30034 M30035 N30036 P30037 Q30038 R30039 S30040 T3004 V30042 W30043 X30044 Y30045 Z30046 A30047 B30048 C30049 D30050 E3005 F30052 G30053 H30054 J30055 K30056 L30057 M30058 N30059 Q300877 R300878 350 500 850 250 3 3 3 3 A30UD70TTI63 A30UD70TTI80 A30UD70TTI00 A30UD70TTI25 A30UD70TTI60 A30UD70TTI200 A30UD70TTI250 A30UD70TTI280 A30UD70TTI35 A20UD70TTI350 A30UD7TTI60 A30UD7TTI200 A30UD7TTI250 A30UD7TTI280 A30UD7TTI35 A30UD7TTI350 A30UD7TTI400 A30UD7TTI450 A30UD7TTI500 A20UD7TTI550 A20UD7TTI630 A30UD72TTI280 A30UD72TTI35 A30UD72TTI350 A30UD72TTI400 A30UD72TTI450 A30UD72TTI500 A30UD72TTI550 A30UD72TTI630 A20UD72TTI700 A20UD72TTI800 A30UD73TTI35 A30UD73TTI350 A30UD73TTI400 A30UD73TTI450 A30UD73TTI500 A30UD73TTI550 A30UD73TTI630 A30UD73TTI700 A30UD73TTI800 A30UD73TTI900 A0UD73TTI000 A00UD73TTI00 A00UD73TTI250 A090UD73TTI400 A070UD73TTI600 A065UD73TTI800 Size A B C D E± d G±0. P±0. 70 40 46,5 82 26 74 9 6-9/6-27/32 3-7/32 -/64 2-29/32 5/6-8 23/64 5/64 7 5 56,5 9 30 74 9 9 2 2-7/32 3-37/64-3/6 2-29/32 5/6-8 23/64 23/64 72 60 65,5 00 38 ; (42mm **) 74 5 9 2-3/8 2-37/64 3-5/6 -/2 ; (-2/32 **) 2-29/32 3/8-6 9/32 23/64 73 74,5 79,5 4 46 ; (52mm **) 74 5 9 2-5/6 3-/8 4-/2-3/6 ; (2-/6 **) 2-29/32 /2"-3 9/32 23/64 Note: Dimensions in mm Dimensions in inches Microswitches and threaded studs supplied separately P SCAC28
Multiplier coefficient K,4,2 0,8 0,6 * Left: Mean curve indicating variation of total I 2 t (I 2 t t ) and total operating time T t in accordance with working voltage U. Example: Fuse 350 A in size 70. I p = 0 000 A U = 00 V At 000 V I 2 t t = 5 000 A 2 s T t = 7 ms 0,4 0,2 At 00 V I 2 t t = 5 000 x.3 = 30 000 A 2 s T t = 7 x.3 = 7.9 ms * curve for fuses with I 2 t published at 850VAC 0 0 200 400 600 800 000 200 Dissipated power U (V) Arc voltage P/Pn I/In Above left: Curve enabling calculation of dissipated power P by a fuse rated I N, as a function of the RMS current I, in multiples of I N, 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 ϕ = 0.5 SCAC34
Size 70 Cut-off characteristics Curves indicating for each rated current the peak value I c that the current may reach as a function of the prospective fault current I p. 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 I pm of the fuse. Size 70 Maximum values of total operating I 2 t and total operating times Horizontal curves indicating the maximum values of total operating I 2 t (I 2 t t ) as function of the prospective current I p at 000V or 850 V(*), cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC35
Cut-off characteristics Curves indicating for each rated current the peak value I c that the current may reach as a function of the prospective fault current I p. Size 7 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 I pm of the fuse. Size 7 Maximum values of total operating I 2 t and total operating times Horizontal curves indicating the maximum values of total operating I 2 t (I 2 t t ) as function of the prospective current I p at 000V or 850 V(*), cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. 36
Size 72 Cut-off characteristics Below, right: Curves indicating for each rated current the peak value I c that the current may reach as a function of the prospective fault current I p. 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 I pm of the fuse. Size 72 Maximum values of total operating I 2 t and total operating times Left: Horizontal curves indicating the maximum values of total operating I 2 t (I 2 t t ) as function of the prospective current I p at 000V or 850 V(*), cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC37
Cut-off characteristics Curves indicating for each rated current the peak value I c that the current may reach as a function of the prospective fault current I p. Size 73 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 I pm of the fuse. Size 73 Maximum values of total operating I 2 t and total operating times Horizontal curves indicating the maximum values of total operating I 2 t (I 2 t t ) as function of the prospective current I p at 000V or 850 V(*), cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC38
Size 2x72 Cut-off characteristics Curves indicating for each rated current the peak value I c that the current may reach as a function of the prospective fault current I p. 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 I pm of the fuse. Size 2X72 Maximum values of total operating I 2 t and total operating times Horizontal curves indicating the maximum values of total operating I 2 t (I 2 t t ) as function of the prospective current I p at 000V or 850 V(*), cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC39
Cut-off characteristics Curves indicating for each rated current the peak value I c that the current may reach as a function of the prospective fault current I p. Size 2x73 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 I pm of the fuse. Size 2x73 Maximum values of total operating I 2 t and total operating times Horizontal curves indicating the maximum values of total operating I 2 t (I 2 t t ) as function of the prospective current I p at 000V or 850 V(*), cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC40
DC working voltage possibilities 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. Rated Curves (*) and Ipm ( ) corresponding to the rating current I N (A) 70 *Ipm 7 *Ipm 72 *Ipm 73 *Ipm 2x72 *Ipm 2x73 *Ipm (A) (A) (A) (A) (A) (A) 63 a 270 80 a 400 00 a 520 25 a 700 60 a 950 a 950 200 a 300 a 300 250 a 800 a 800 280 b 2200 a 2000 a 800 35 b 2600 a 2300 a 2200 a 2000 350 c 3000 a 2700 a 2600 a 2400 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 000 c 000 a 9200 a 7800 00 c 2000 b 0000 a 8800 250 c 3500 b 2400 a 0600 400 c 5000 c 3600 a 2000 600 c 6000 b 6000 800 b 8000 2000 c 22000 2200 c 24000 2500 d 27000 2800 d 30000 Ipm () 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. SCAC4
PSC ar sizes 7x - 650V to 300 VAC Microswitches PSC 3x &7x - MICROSWITCH SYSTEMS ADAPTED TO THE FOLLOWING FERRAZ SHAWMUT FUSES ONLY: - PSC sizes 30, 3, 32, 33, 2x32, 2x33 / 70, 7, 72, 73, 272, 273 except plain blades - PSC LR sizes 33, 233, 73, 273 - PERMANENT INDICATION OF FUSE STATE: CONDUCTIVE MS 7V -5 BLOWN - MANUAL RESETTING - STANDRAD AND LOW ELECTRICAL LEVEL WITH DIFFERENT INSULATION LEVELS - BS TYPE FOR USE IN CORROSIVE ATMOSPHERE - MS 3V -5 UR AND MS 7V -5 UR TYPE UL ARE RECOGNIZED Main Characteristics Code AC Insulation voltage rating (***) Positive Current operating rating voltage/current Current Breaking Capacity Non inductive circuit Inductive circuit : L/R = 25ms 30V 0V 250V 30V 0V 250V AC voltage withstand test (*) Impulse voltage test Uimp.2/50 µs (**) Fire class according to UL 94 MS 3V -5 50/60 Hz 0 A 0 A 0 A 0 A 0 A 0 A 8,5 kv 4 kv MS 3V -5 UR MS 7V -5 MS 7V -5 UR MS 3V -5 BS MS 3V -9 BS MS 7V -5 BS MS 7V -9 BS MS 3V -5 ET MS 7V -5 ET 000 V 500V 000 V 500V 000V 500V 20 V 50 ma 0 V 0 ma 0 V 0 ma 0 A DC 50/60 Hz DC 50/60 Hz DC 8 A 0,4 A 0,2 A 0,5 A - 4 A 2 A 2 A 2 A 0,2 A A 0, A A 0,5 A 0,25 A 0,2 A 0, A A A 0,2 A - 2 kv 8,5 kv 2 kv 8,5 kv 2 kv 20 kv 4 kv 20 kv 4 kv 20 kv H.B * Between power circuit and microswitch terminals as per IEC 60 and 694 and NFC 6400 (50/60 Hz min duration in dry air) ** Between power circuit and microswitch terminals Uimp: impulse voltage as per IEC 60947- *** 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 SCAC42
PSC ar sizes 7x - 650V to 300 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. 4 2 Fuse size Designation Ref. Number Indication style Weight (g) Pack. Catalog Number 42 X3004 MS3V-5 MS 3V -5 (fig.) MS 3V -5 UR X3004 Y30038 Standard NO-NC 34 MS3 V-5 MS3 V-5UR (fig. ) 39 30, 3 32, 33 MS 3V -5 BS (3) MS 3V -9 BS (4) W3003 T300 Low level NO-NC Double pole Low level 34 44 MS3-V-5BS MS3V-9BS 34.6 6.35 x 0.8 4 2 position déclenchée switched position 0 X3004 MS3V-5 32.7 MS 3V -5 ET (fig.2) R30009 (3) Same as fig. (4) Same dimensions as figure but with 2 microswitches side by side (9) Watertightness class Low level NO-NC IP 50 (9) 34 4.75 x 0.5 MS3V-5 ETANCHE 0 4 (fig. 2) 2 R30009 MS3V-5 ET 32.7 MS 7V... Fuse size Designation Ref. Number Indication style Weight (g) Pack. Catalog Number MS 7V -5 (fig.5) MS 7V -5 UR J30002 Z30039 Standard NO-NC 45 MS7 V-5 MS7 V-5UR 4 2 K30003 MS7V-5BS 70, 7 72, 73 MS 7V -5 BS (3) MS 7V -9 BS (4) MS 7V -5 ET (fig.6) K30003 P30007 S3000 Low level NO-NC Double pole Low level Low level NO-NC IP 50 (9) 45 55 55 MS7-V-5BS MS7V-9BS MS7V-5 ETANCHE 42 (fig. 5) 62,5 (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. 6.35 x 0.8 position déclenchée switched position 0 0 4.75 x 0.5 34.5 4 2 K30003 MS7V-5BS 32.7 (fig. 6) 4 2 S3000 MS7V-5 ET 32.7 SCAC43