7-18-01 SB01191
Form No. FWK
Page 1 of 1
BIF Doc #720039
Bussmann®
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Ferrule
FWK 750V 5-60A
Dimensions
127.0
(5.000")
16.0
(0.630")
20.5
(0.807")
Electrical Characteristics Ordering Information Dimensions Curves
Rated I2t (A2S) Carton
Current Clearing Watts Part Carton Weight Figure
Size RMS-Amps Pre-arc at 750 Vdc Loss Number Qty. (kg) Number BIF #
5 8.5 16 — FWK-5A20F
8 50 100 — FWK-8A20F
20 ≈ 127mm 10 95 200 — FWK-10A20F
(⁄‹Ω¡§∑) 15 100 240 — FWK-15A20F 10 0.95 Fig. 1
20 125 315 — FWK-20A20F
25 400 1100 — FWK-25A20F 35785031
30 800 2600 — FWK-30A20F
35 1300 4300 — FWK-35A25F
25 ≈ 146mm 40 1600 5300 — FWK-40A25F 10 1.65 Fig. 2
(1∑) 50 3100 12000 — FWK-50A25F
60 5900 24000 — FWK-60A25F
n Interrupting rating 45kA RMS symmetrical. 1 kg = 2.2 lbs. 1 lb = 0.45 kg
n 750 Vdc rating for 5 through 60 amperes (Time constant = 10-15 mS).
Fig. 1: 5-30 Amp Range
146.05
(5.75") 25.4
(1")
20.64
(0.813")
Fig. 2: 35-60 Amp Range
Dimension in mm.
1mm = 0.0394∑ 1∑ = 25.4mm
