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| FRENCH CYLINDRICAL URGD SEMICONDUCTOR PROTECTION FUSES PROTISTOR(R) FUSES 600V - 660V AC URGD from 63 up to 250A SIZES: 27 X 60mm Features / Benefits Extremely high Interrupting rating Fuses: Protection of power Semiconductors according to IEC 269.1 and 4 600V-660V AC Voltage Rating aR Class according to VDE 636-23 and IEC 269.4 Model according to NF C 63210 and 63211 with built-in blown fuse indication APPLICATIONS DATA Voltage rating UN( VAC ) Class Current rating IN( A ) 63 80 100 125 160 200 250 pre-arcing I2t @ 1 ms I2tp (A2s) 405 860 1620 3425 6480 13700 29600 Total clearing I2t @ UN I2tt (A2s) 1840 3750 6800 13600 24600 61500 107000 Watt losses 0.8 IN 12 13.5 15 16 17 18.5 21 IN 22 24.6 27 29.5 32.5 35.7 40 Tested interrupting rating 660 V URGD 200 kA @ 660 V 600 V URGD 200 kA @ 600 V Minimum operating voltage for trip-indicator: 20 V PART NUMBERS 27x60 - With blown fuse trip-indicatior 60,3 7 TYPE VOLTAGE CURRENT RATING CATALOG NO. 6.621 6.621 6.621 6.621 6.621 6.621 CP CP CP CP CP CP URGD URGD URGD URGD URGD URGD 27x60/ 63 27x60/ 80 27x60/100 27x60/125 27x60/160 27x60/200 A B C D E F REF # 076820 076821 076822 076823 076824 076825 O 27 URGD O5 660 V 63 80 100 125 160 200 A A A A A A URGD 600 V 250 A 621 CP URGD 27x60/250 W 076264 D 96 FRENCH CYLINDRICAL URGD SEMICONDUCTOR PROTECTION FUSES Melting Time-Current Data D Tolerance for the mean pre-arcing current 8% These curves indicate, for each rated current, the pre-arcing time vs. the R.M.S. pre-arcing current. Clearing I2t vs. AC Operating Voltage 63 to 200A URGD Peak arc Voltage 63 to 200A URGD K 1,2 1 0,8 0,6 0,4 0,2 0 200 400 600 U(V) 250A URGD Um(V) 2000 1000 K 1,2 1 0,8 0,6 0,4 0,2 0 100 200 300 400 500 600 U(V) Correction factor to determine the clearing I2t of a fuse operating below its rated voltage. 0 100 200 300 400 500 600 700 250A URGD These curves determine the peak arc voltage across the fuse terminals as a function of the applied voltage. Um(V) 2000 1000 0 100 200 300 400 500 600 700 D 97 |
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