7-18-01 SB01191
Form No. FWK
Page 1 of 1
BIF Doc #720039
Bussmann®
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled.
This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right,
without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without
notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Ferrule
FWK 750V 5-60A
Dimensions
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