Page 246 - Ferraz semiconductor DIN

Semiconductor fuses
Semiconductor (AC) fuses

Protistor Square-body Fuses
®
PSC aR sizes 7x - 650 V to 1300 VAC
Main characteristics

Recognized

650 to 1300VAC / 63 to 2800A.
2
• Exceptionally low I 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
2
- pre-arcing I t (I tp) at 1 ms
2
2
2
- total operating I t (I t ) at 1000 V and 850V(I)f=50Hz,
t
cos ϕ =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

Total I t @
2
Nominal Voltage Pre-arcing 1000V Tested Breaking capacity
2
Size U (VAC) Ampere I t @ 1ms (*) @ Un Power (W)
N
Rating (A) (kA s) (kA s)
2
2
IEC UL End contacts Blades IEC USA
50 0,116 0,7 16 16
63 0,210 1,2 26 26
80 0,470 2,7 27 27
100 0,830 4,8 30 30
1250 1300 125 1,30 7,5 38 38 100kA @ 1250V 100kA @ 1300V
160 2,55 15 45 45
200 4,7 27 54 56
250 9,6 55 58 61
70 280 14 82 61 64
1200 1300 100kA @ 1200V 100kA @ 1300V
315 20 115 66 72
350 28 158 68 75
1100 1200 400 39 224 81 90 150kA @ 1100V 150kA @ 1200V
450 62 356 82 82
1000 1100 500 84 483 83 83 120kA @ 1000V 120kA @ 1100V
800 900 550 128 576(*) 83 83 100kA @ 800V 100kA @ 900V
750 800 630 176 730(*) 91 91 100kA @ 750V 100kA @ 800V
160 2,6 15 46 46
200 4,7 27 54 54
250 8,9 51 61 61
280 12 68 68 70 100kA @ 1250V 100kA @ 1300V
1250 1300 315 16 92 73 76
350 22 127 76 80
400 38 220 76 80
450 47 270 87 95
71 1300 (TTI) 500 68 390 90 X 150kA @ 1300V
500 68 390 X 100
1100 1200 150kA @ 1100V 150kA @ 1200V
550 84 485 98 112
630 125 725 105 X
630 125 725 X 120
1000 1100 150kA @ 1000V 150kA @ 1100V
700 180 1040 105 105
900 950 800 290 1540(*) 116 116 100kA @ 900V 100kA @ 950V
800 850 900 446 2010(*) 120 120 100kA @ 800V 100kA @ 850V
1
( ) at 850 V
( ) does not exist with blades
2
126 12/04