High speed fuse catalog
Reliable protection for
semiconductor devices
and sensitive electronic
equipment
Bussmann® series high speed fuses
High speed fuses protect sensitive devices and power
semiconductors from short-circuits, and are specifically designed to
minimize the I
2
t, peak let-through current and arc voltage.
Typical applications:
•
•
•
•
•
•
•
•
Protection of AC and DC drives
DC common bus
Power converters/rectifiers
Reduced voltage starters
UPS
Capacitor protection
Switchboard panels
Control consoles
Our extensive line of high speed fuses offer these styles:
North American
(round body)
IGBT fuses
Ferrule fuses
British Standard BS 88
Square body fuses
Bussmann series high speed fuses also include
Compact high speed fuses that require less space
Our new Bussmann series compact high
speed fuses protect compact drives, power
conversion and UPS equipment. These
50-400 amp fuses require up to 48% less
enclosure space when compared with
traditional high speed, round body fuses
without compromising heat rise performance.
UL
®
Listed Class J high speed fuses for full range protection
Bussmann series full range DFJ high speed,
current-limiting fuses provide overload and
short-circuit protection for variable speed
drives and electric controllers, and meet NEC
®
branch circuit protection requirements. The DFJ
drive fuse has the lowest I
2
t of any UL branch
circuit fuse in the industry to protect power
semiconductor devices that utilize diodes,
GTOs, SCRs and SSRs.
2
BUSSMANN SERIES HIGH SPEED FUSE cATALOG
10506 — January 2016
Eaton.com/bussmannseries
Custom order engineering to meet unique application needs
No matter the space constraints, mounting requirements or rating
concerns, our Custom Order Engineering team can quickly modify
existing products to meet your application needs. This includes
adding microswitch capability for remote indication to ease
maintenance and reduce downtime.
QuikShip Made-to-Order Service for faster shipment
21-day or less lead-time is available
with QuikShip Made-to-Order service
on over 400 of the most popular
Bussmann series square body high
speed fuses up to 1000 V and 2000 A.
Field application
engineering
Application engineering
support
Technical assistance on
questions about your
application is available at
fusetech@eaton.com
or call toll-free
855-BUSSMANN
(855-287-7626) during
regular business hours.
Available throughout
North America, field
application engineers
are available to assist
with your design and
application efforts.
BUSSMANN SERIES HIGH SPEED FUSE cATALOG
10506 —January 2017
Eaton.com/bussmannseries
3
Table of contents
Section
Compact high speed fuses
Fuses
Fuses
North American fuses
General information
Fuses
130 Vac/dc
150 Vac/dc
250 Vac/dc
500 Vac/dc
600 Vac
600 Vac
700 Vac/dc
1000 Vac/800 Vdc
Modular fuse blocks
1000 to 4000 A
70 to 1000 A
35 to 2500 A
35 to 1600 A
1 to 1000 A
35 to 800 A
5 to 1200 A
35 to 2000 A
FWA
FWA
FWX
FWH
KAC
KBC
FWP
FWJ
500 Vac/dc
600 Vac/450 Vdc
50 to 400 A
1 to 600 A
CHSF
DFJ
UL Class J full range drive fuse
Volts
Amp range
Catalog symbol/size
Page
6-7
8-9
8-9
10-11
10-11
12-22
12
13
14
15
16
17
18
19-20
21
22
23-30
23
6 to 180 A
240-250-280 Vac/150 Vdc
240-250 Vac/150 Vdc
160 to 900 A
690-700 Vac/500 Vdc
6 to 200 A
690-700 Vac/350-450-500 Vdc
160 to 710 A
Trip indicators, clips and microswitches
LCT, LET
LMT, LMMT
CT, ET, FE, EET and FEE
FM, FMM, MT and MMT
24
25
26-27
29-29
30
31-46
31
150 Vac/dc
150 Vac/dc
250 Vac/dc
500 Vac
500 Vac/dc
600-700 Vac/700 Vdc
690-700 Vac/600-700 Vdc
700 Vac/dc
750 Vdc
750 Vdc
1000 Vac/800 Vdc
5 to 30 A
35 to 60 A
1 to 50 A
0.25 to 30 A
1 to 30 A
1 to 32 A
1 to 50 A
20 to 100 A
5 to 30 A
35-60 A
20 to 30 A
FWA-_A10F (10x38 mm)
FWA-_A21F (21x51 mm)
FWX (14x51 mm)
FWH-_A6F (6x32 mm)
FWH-_14F (14x51 mm)
FWC (10x38mm)
FWP-_A14F (14x51 mm)
FWP-_A22F (22x58 mm)
FWK-_A20F (20x127 mm)
FWK-_A25F (25x146 mm)
FWJ (14x67 mm)
32
32
33
34
35
36
37
38
39
39
40
41
42
43
44
45
46
47-92
47
690-700 Vac/ 700 Vdc
690-700 Vac
1000 Vac
1000 Vac
1250-1300 Vac
DIN 43620
690 Vac
690-700 Vac
French style
1000 Vac
690-700 Vac
10 to 400 A
40 to 2000 A
20 to 315 A
50 to 1400 A
50 to 1400 A
10 to 800 A
10 to 1600 A
20 to 225 A
40 to 1600 A
170M — size 000 and 00
170M — size 1* to 3
170M — size 00
170M — size 1* to 3
170M — size 1* to 3
170M — size 00 to 3
170M — size 000 to 3
dual indicator
170M — size 00
170M — size 1* to 3
48-49
50-51
52
53-54
55-56
57-58
59-60
61
62-63
High speed fuses — general applications
Accessories
British Standard BS88 fuses
General information
Fuses
Accessories
Ferrule fuses
General information
Fuses
Accessories
1200 Vac/1000 Vdc
20 to 30 A
FWL (20x127 mm)
1400-2000 Vac/1000 Vdc
2 to 15 A
FWS (20x127 mm)
JM70100 700 V DIN-Rail/panel mount modular blocks for FWP 22x58 mm fuses
CHM modular holders for FWA and FWC 10x38 mm fuses
CH14 modular holders for FWX, FWH and FWP 14x51 mm fuses
CH22 modular holders for FWP 22x58 mm fuses
Square body fuses
General information
DIN 43653
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BUSSMANN SERIES HIGH SPEED FUSE cATALOG
10506 — January 2016
Eaton.com/bussmannseries
Table of contents
Section
Volts
Amp range
40 to 2000 A
50
50
25
40
to
to
to
to
1400 A
1400 A
400 A
2000 A
Catalog symbol/size
170M — size 1* to 3
170M
170M
170M
170M
170M
170M
170M
170M
170M
170M
170M
170M
170M
170M
—
—
—
—
—
—
—
—
—
—
—
—
—
—
size
size
size
size
size
size
size
size
size
size
size
size
size
size
1* to 3
1* to 3
00
1* to 3
1* to 3
1* to 3
4
4
4
23
23
24
24
5
Page
64-65
66-67
68-69
70
71-72
73-74
75-76
77-78
79-80
81-82
83-84
85
86
87
88
89-90
91
91-92
93-97
93
750-800 Vdc
1000 Vdc
25 to 630 A
25 to 500 A
170M — size 000 and 230
170M — size 000 and 230
94-95
96-97
98-99
Square body fuses — continued
690-700 Vac
US style
1000 Vac
1250-1300 Vac
690 Vac
690-700 Vac
Flush-end contact
Accessories
1000 Vac
50 to 1400 A
1250-1300 Vac
50 to 1400 A
690-700 Vac
1000 to 4000 A
1000 Vac
1000 to 3000 A
1250 Vac
800 to 2500 A
660 Vac
1000 to 4000 A
1250 Vac
630 to 2800 A
690 Vac
2000 to 7500 A
1000 Vac
2000 to 5000 A
1100-2000 Vac
1800 to 5500 A
Fixed center blocks for DIN 43653 fuses
Indicators
Microswitches
IGBT fuses
General information
Fuses
Index
New high speed fuse
application guide
This 36-page application guide helps users understand
the dynamics involved in the high speed fuse
specification and selection process.
It covers high speed fuse characteristics,
performance data, application in AC and DC
systems along with worked examples that
explore the influence of overloads and cyclic
loadings, and safety margins.
Other topics include international
standards, Bussmann series high speed
fuse reference systems along with
installation, service, maintenance
tips.
Available online or as a printed
document, look for publication
no. 10507
.
BUSSMANN SERIES HIGH SPEED FUSE cATALOG
10506 —January 2017
Eaton.com/bussmannseries
5
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