Semiconductor (AC) fuses

Transcription

1 Main characteristics 450 TO 700VAC / 63 TO 2800A Recognized Exceptionally low I 2 T, Watt losses. Non-magnetic construction, Highly reliable low voltage Trip-indicator system, conformity to UL, IEC, DIN and VDE standards. Increased technical performance Highter 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 tt) at 660 V, 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. SCAC68

2 Main characteristics Estimated breaking capacity: 300kA Total I 2 Tested Breaking capacity Nominal Voltage Pre-arcing 660V Power Pn (W) (ka) Size (VAC) Ampere I 2 ms Un Rating (A) (ka 2 s) (ka 2 s) 690V 700V IEC USA End contact Blades Un Un 50 0,6 0, ,2, ,33, ,47 2, ,85 4, ,6 8, , , , (*) (*) 200(*) 60, ,6 3, , , , , ,2 28, ,9 48, (*) (*) 60(*) (*) (*) 50(*) (*) (*) 30(*) (*) (*) (*) 0(*) 450 3,45 74, (*) (*) 60(*) (*) (*) (*) (*) 50(*) (*) (*) 30(*) (*) (*) 0(*) X (*) (*) 50(*) x (*) (*) (*) 60(*) (*) (*) 330 For others Ampere ratings consult us SCAC69

3 IEC Terminals French End contacts Size Designation Reference Number Weight (g) Packaging Catalog Number ,9 URD 30 TTF ,9 URD 30 TTF ,9 URD 30 TTF ,9 URD 30 TTF 000 6,9 URD 30 TTF 025 6,9 URD 30 TTF 060 6,9 URD 30 TTF ,9 URD 30 TTF ,9 URD 30 TTF 035 6,9 URD 30 TTF ,9 URD 30 TTF ,9 URD 30 TTF ,9 URD 30 TTF ,9 URD 30 TTF URD 30 TTF ,9 URD 3 TTF 060 6,9 URD 3 TTF ,9 URD 3 TTF ,9 URD 3 TTF 035 6,9 URD 3 TTF ,9 URD 3 TTF ,9 URD 3 TTF ,9 URD 3 TTF ,9 URD 3 TTF ,9 URD 3 TTF ,9 URD 3 TTF ,9 URD 3 TTF ,9 URD 32 TTF 035 6,9 URD 32 TTF ,9 URD 32 TTF ,9 URD 32 TTF ,9 URD 32 TTF ,9 URD 32 TTF ,9 URD 32 TTF ,9 URD 32 TTF ,9 URD 32 TTF ,9 URD 32 TTF 0900** 6,9 URD 32 TTF 000** 6 URD 32 TTF 00** 5,5 URD 32 TTF 250** 5 URD 32 TTF 400** 5 URD 32 TTF 600** 4,5 URD 32 TTF 800** 6,9 URD 33 TTF ,9 URD 33 TTF ,9 URD 33 TTF ,9 URD 33 TTF ,9 URD 33 TTF ,9 URD 33 TTF ,9 URD 33 TTF ,9 URD 33 TTF 000 6,9 URD 33 TTF 00 6,9 URD 33 TTF 250** 6,9 URD 33 TTF 400** 6 URD 33 TTF 500** 6 URD 33 TTF 600** 6 URD 33 TTF 800** 5,5 URD 33 TTF 2000** 5 URD 33 TTF 2250** 4,5 URD 33 TTF 2500** S M S30005 T V W X Y Z A B V W X L30770 M N30000 P Q M R S T V W X Y30040 M30262 N30263 H J K L M N P30007 Q S M P30060 Q3006 H R30062 W30270 V W X Y Z A30008 B C D E Y Z A B K L PC30UD69V50TF PC30UD69V63TF PC30UD69V80TF PC30UD69V00TF PC30UD69V25TF PC30UD69V60TF PC30UD69V200TF PC30UD69V250TF PC30UD69V35TF PC30UD69V350TF PC30UD69V400TF PC30UD69V450TF PC30UD69V500TF PC30UD69V550TF PC30UD60V630TF PC3UD69V60TF PC3UD69V200TF PC3UD69V250TF PC3UD69V35TF PC3UD69V350TF PC3UD69V400TF PC3UD69V450TF PC3UD69V500TF PC3UD69V550TF PC3UD69V630TF PC3UD69V700TF PC3UD69V800TF PC32UD69V35TF PC32UD69V350TF PC32UD69V400TF PC32UD69V450TF PC32UD69V500TF PC32UD69V550TF PC32UD69V630TF PC32UD69V700TF PC32UD69V800TF PC32UD69V900TF PC32UD69V000TF PC32UD60V00TF PC32UD55V250TF PC32UD50V400TF PC32UD50V600TF PC32UD45V800TF PC33UD69V450TF PC33UD69V500TF PC33UD69V550TF PC33UD69V630TF PC33UD69V700TF PC33UD69V800TF PC33UD69V900TF PC33UD69V000TF PC33UD69V00TF PC33UD69V250TF PC33UD69V400TF PC33UD60V500TF PC33UD60V600TF PC33UD60V800TF PC33UD55V2000TF PC33UD50V2250TF PC33UD45V2500TF P Note: dimensions in mm dimensions in inches Threaded studs and microswitches supplied separately see microswitchespsc 3x & 7x and Metric studs sections Size A B C D M ± N ± E ± d G ±0. P , ,6 M /6-27/32 3-7/32 -/ /64 5/ , ,6 M / /64-3/6 2 23/64 23/ , ; (42mm **) ,6 M /8 2-37/64 3-5/6 -/2 ; (-2/32 **) 2 9/32 23/ ,5 79, ; (52mm **) ,6 M /6 3-/8 4-/2-3/6 ; (2-/6 **) 2 9/32 23/64 SCAC76

4 IEC Terminals French End contacts Size 2 x 32 2 x 33 *Consult us Designation 6,9 URD 232 TTF ,9 URD 232 TTF 000 6,9 URD 232 TTF 250 6,9 URD 232 TTF 400 6,9 URD 232 TDF 600 6,9 URD 232 TDF 800 6,9 URD 232 TDF ,5 URD 232 TDF ,9 URD 233 TTF 000 6,9 URD 233 TTF 250 6,9 URD 233 TTF 400 6,9 URD 233 TTF 600 6,9 URD 233 PLAF URD 233 PLAF URD 233 PLAF URD 233 PLAF URD 233 PLAF ,5 URD 233 PLAF 3000* 5,5 URD 233 PLAF 3200* 5 URD 233 PLAF 3600* 5 URD 233 PLAF 4000* 4 URD 233 PLAF 4500* 4 URD 233 PLAF 5000* Reference Number T T30023 V30024 G W30025 X30026 Y30027 D30993 B3086 D E F B R Q P N L30977 M30978 N30979 P30980 Q3098 R30982 Weight (g) Packaging Catalog Number PC232UD69V8CTF PC232UD69V0CTF PC232UD69V3CTF PC232UD69V4CTF PC232UD69V6CTD PC232UD69V8CTD PC232UD69V20CTD PC232UD55V22CTD PC233UD69V0CTF PC233UD69V3CTF PC233UD69V4CTF PC233UD69V6CTF PC36UD69V8CP PC36UD60V20CP PC36UD60V22CP PC36UD60V25CP PC36UD60V28CP PC36UD55V30CP PC36UD55V32CP PC36UD50V36CP PC36UD50V40CP PC36UD40V45CP PC36UD40V50CP Size A B C D E F G H J K d e L M N 2x32 TT 60 38, ,6 66, M , x33 TT 74, , M , x32 TD 65, , M x33 PLAF 75 7, , M TT TD PLAF SCAC77

5 IEC Terminals French End contacts 33 PPAF Standard Press-Pack Size Designation Reference Number Weight (g) Packaging Catalog Number 33 2x33 6,9 URD 33 PPAF250 6,9 URD 33 PPAF400 6 URD 33 PPAF600 6,9 URD 233 PPAF800 6 URD 233 PPAF URD 233 PPAF URD 233 PPAF URD 233 PPAF2800 5,5 URD 233 PPAF3000 5,5 URD 233 PPAF3200 5,5 URD 233 PPAF URD 233 PPAF4000 4,5 URD 233 PPAF URD 233 PPAF5000 D30855 E30856 G30927 R H K M L to be given - contact us V30985 to be given - contact us X30987 to be given - contact us M PC33UD69V3CPP PC33UD69V4CPP PC33UD60V6CPP PC36UD69V8CP2 PC36UD60V20CP2 PC36UD60V22CP3 PC36UD60V25CP2 PC36UD60V28CP3 to be given - contact us PC36UD55V32CP2 to be given - contact us PC36UD50V40CP2 to be given - contact us PC36UD40V50CP2 Studs and microswitches supplied separately SCAC78

6 Curves set I 2 t Multiplier coefficient Sizes 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 30. I p = A U = 500 V At 660 V I 2 t t = A 2 s T t = 6 ms At 500 V I 2 t t = x 0.72 = A 2 s T t = 6 x 0.72 = 4.3 ms Dissipated power Arc voltage 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 a steady state. Curve indicating peak arc voltage Um which may appear across fuse terminals as function of working voltage U at cos ϕ = 0.5 SCAC84

7 Curves set Size 30 3,2 mm Cut-off characteristics Below, right: Curves indicating for each ratedcurrent the peak value I c that the current may reach as a function of the prospective fault current Ip. Size 30 Time-current characteristics Above, left: 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 or 0 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 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 660 V, cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC85

8 Curves set Size 3 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. Size 3 Time-current characteristics 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 or 0 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 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 660 V, cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC86

9 Curves set Size 32 Cut-off characteristics Below, right: Curves indicating for each ratedcurrent the peak value I c that the current may reach as a function of the prospective fault current Ip. Size 32 Time-current characteristics Above, left: 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 or 0 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 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 660 V, cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC87

10 Curves set Time-current characteristics 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 or 0 sec, small overloads must be eliminated by another device. 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 660 V, cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC88

11 Curves set Sizes 2x32 Cut-off characteristics Below, right: Curves indicating for each ratedcurrent the peak value I c that the current may reach as a function of the prospective fault current Ip. Size 2 x 32 Time-current characteristics Above, left: 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 or 0 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 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 Ip at 660 V, cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC89

12 Curves set Cut-off characteristics Size 2x33 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. Size 2 x 33 Time-current characteristics Above, left: 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 or 0 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 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 Ip at 660 V, cos ϕ = 0.5. The oblique lines indicate the corresponding total operating time T t, with pre-arcing time in brackets. SCAC90

13 Curves set Sizes DC working voltage possibilities Rated current In (A) Curves (*) and lpm ( ) corresponding to the rating x 32 2 x33 * Ipm * Ipm * Ipm * Ipm * Ipm * Ipm (A) (A) (A) (A) (A) (A) 63 a a a a a a 880 a a 300 a a 700 a a 900 a a 2300 a 2200 a a 2500 a a 3000 a 2600 a a 3400 a 350 a a 5000 a 3700 a a 5600 a 4300 a a 5300 a a 7800 a b 9000 a 6600 a a b 000 a 7400 a b 2500 a 8600 a a 0600 a a 5600 a b 8000 a a b b 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. 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. This 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. SCAC9

14 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, PERMANENT INDICATION OF FUSE STATE: CONDUCTIVE MS 7V -5 BLOWN - MANUAL RESETTING - STANDARD 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 3 A 3 A DC 50/60 Hz DC 50/60 Hz DC 8 A 3 A 0,4 A 3 A 0,2 A 3 A 3 A 3 A 0,5 A - 4 A 2 A 2 A 2 A 0,2 A A 0, A A 3 A 0,5 A 0,25 A 3 A 0,2 A 0, A 3 A 3 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 *** 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 SCAC92

15 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 3 pieces MS3 V-5 MS3 V-5UR (fig. ) 39 30, 3 32, 33 MS 3V -5 BS (3) MS 3V -9 BS (4) K3003 P300 Low level NO-NC Double pole Low level pieces 3 pieces MS3-V-5BS MS3V-9BS x position déclenchée switched position 0 X3004 MS3V MS 3V -5 ET (fig.2) S30009 (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) x pieces MS3V-5 ETANCHE 0 4 (fig. 2) 2 R30009 MS3V-5 ET 32.7 MS 7V... Fuse Designation Ref. Number 4 2 K30003 MS7V-5BS 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 x 0.8 position déclenchée switched position x K30003 MS7V-5BS 32.7 (fig. 6) 4 2 S3000 MS7V-5 ET 32.7 SCAC93

16 Metric-studs Metric studs for threaded terminal fuses Type and fuse size Designation Ref. Number Unit weight (g) Pack. Catalog Number Sizes 0 and HC stud pair M8x30 & M8x35 S pairs STUM8x30M8x35 Size 2 HC stud pair M0x30 & M0x50 T pairs STUM0x30M0x50 Size 3 HC stud pair M2x35 & M2x50 V pairs STUM2x35M2x50 Size 2 HC stud pair M0x50 W pairs STUM0x50 Size 3 HC stud pair M2x50 X pairs STUM2x50 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) () Maximum nut tightning torque (Nm) () Balanced torque M8x30 & M8x35 M0x30 & M0x50 M2x35 & M2x Balanced torque M8x30 & M8x35 M0x30 & M0x50 M2x35 & M2x Unbalanced torque M8x30 & M8x35 M0x30 & M0x50 M2x35 & M2x SCAC94