Bussmann

High Speed Fuses
North American Style
Bussmann ®
FWH 500V
Voltage Rating: 500Vac/500Vdc (500Vdc rating applies
to 35 through 800A only.)
Interrupting Rating: 200kA RMS Symmetrical.
Agency Information: UL Recognized, Std. 248-13,
35-1200A; CSA Component Acceptance 35-1600A
Watts loss provided at rated current.
Electrical Characteristics
Rated
I 2 t (A 2 SEC) @ 100kA
Current Clearing Watts
RMS-Amps Pre-arc at 500V Loss
35 34 150 .8
40 76 320 7.5
45 105 450 7.5
50 135 670 7.5
60 210 900 9.9
70 210 900 10.6
80 305 1400 12.7
90 360 1600 15
100 475 2000 17
125 800 3500 25
150 1100 4600 30
175 1450 6200 35
200 1900 8500 40
225 4600 23300 39
250 6300 32200 41
275 7900 40300 46
300 9800 49800 51
325 13700 63800 53
350 14500 72900 58
400 19200 96700 65
450 24700 127000 74
500 29200 149000 84
600 41300 206000 108
700 55000 298000 120
800 76200 409000 129
1000 92000 450000 145
1200 122000 600000 180
1400 200000 1000000 210
1600 290000 1400000 230
Ordering Information
Part Number Carton Qty. Carton Weight (lbs)
FWH- 35B 10 1.34
FWH-40B 10 1.34
FWH-45B 10 1.34
FWH-50B 10 1.34
FWH-60B 10 1.34
FWH-70B 10 2.05
FWH-80B 10 2.05
FWH-90B 10 2.05
FWH-100B 10 2.05
FWH-125B 5 1.65
FWH-150B 5 1.65
FWH-175B 5 1.65
FWH-200B 5 1.65
FWH-225A 1 0.57
FWH-250A 1 0.57
FWH-275A 1 0.57
FWH-300A 1 0.57
FWH-325A 1 0.57
FWH-350A 1 0.57
FWH-400A 1 0.57
FWH-450A 1 1.00
FWH-500A 1 1.00
FWH-600A 1 1.00
FWH-700A 1 2.14
FWH-800A 1 2.14
FWH-1000A 1 4.62
FWH-1200A 1 4.62
FWH-1400A 1 11.66
FWH-1600A 1 11.66
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000Vac, 75-1500Vdc). Refer to Data Sheet: 8002 or contact
Bussmann Application Engineering at 636-527-1270 for more information.
Data Sheet: 720007
126 For complete specification data, call Bussmann Information Fax ~ 636.527.1450