New snap-together
Bussmann series
Class H(K), J, and R
knifeblade fuse blocks
make installation
easy and increase
exibility and
electrical safety.
Product description:
Eaton’s Bussmann
®
series
knifeblade fuse blocks
feature a modular design
that allows assembly of the
required number of poles at
point-of-use.
Available for Class H(K), J,
and R fuses, these panel
mount blocks come with
features and accessories that
improve electrical safety,
and make installation and
maintenance easier.
They meet the UL
®
Industrial
Power Circuit creep and
clearance requirements per
UL 508 and 845, while the
200 to 600 amp blocks meet
the higher UL Industrial
Power Distribution Standards
for creep and clearance per
UL 69, 98, 489, 869A, and
891.
Features and benefits:
• Modular, snap-together
design permits
multi-pole assembly at
point-of-use, reducing
inventory cost and
complexity.
• See-through covers
with test probe holes
and optional open
fuse indication reduce
maintenance time by
making inspection
possible without
removing the cover.
• High Short-Circuit
Current Rating (SCCR),
up to 200kA, helps
ensure compliance
with NEC
®
110.10
requirements.
Optional covers enhance safety
with IP20 nger-safe protection and
lockout/tagout capability.
Standard with fuseclip
reinforcing springs enhance
electrical contact.
Industry’s first modular fuse blocks
simplify design and enhance safety
BUSSMANN
SERI ES
Modular knifeblade fuse blocks
Eaton and Bussmann are valuable
trademarks of Eaton in the US and other
countries. You are not permitted to use the
Eaton trademarks without prior written
consent of Eaton.
CSA
is a registered trademark of the
Canadian Standards Group.
NEC is a registered trademark of the
National Fire Protection Association, Inc.
UL is a registered trademark of the
Underwriters Laboratories, Inc.
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
United States
Eaton.com
Bussmann Division
114 Old State Road
Ellisville, MO 63021
United States
Eaton.com/bussmannseries
© 2015 Eaton
All Rights Reserved
Printed in USA
Publication No. 3196
October 2015
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latest product and support information.
For Eaton’s Bussmann series
product information,
call 1-855-287-7626 or visit:
Eaton.com/bussmannseries
For more information visit www.cooperbussmann.com/KnifebladeFuseBlocks
5
Knifeblade Fuse Block Feature Highlights
Probe holes for
easy testing without
removing cover
Multiple
mounting
holes for each
pole provide
flexible,
secure
mounting
Standard phase
barriers for
additional
safety
Finger-safe wire
entry with
cutout tabs for
larger wires
on all versions
Features
Lockout/tagout
feature improves
safety
Optional blown fuse
indication speeds
troubleshooting
Optional see-
through, snap-on
cover for easy
visual inspection
Toolless
interlocking
modular design
for easy
point-of-use
assembly
600A Version
(double box lug standard for
easier wiring with smaller,
dual conductors)
400A Class J Version
(JM60400-_MW22 with double
box lug for easier wiring with
smaller, dual conductors)
•
•
•
•
•
•
•
•
•
Finger grips on cover
for easy removal
Vent slots
improve
cooling*
•
*No fuse derating necessary.
Specications
Agency information:
•
Blocks
•
UL Listed cULus E14853 – IZLT
and IZLT7
•
CSA
®
- Certied 47235 – 6225-01
•
RoHS compliant
•
Covers
•
UL - Listed UL E58836 – JDVS2
•
RoHS compliant
Ratings:
•
Volts
•
250V, 600V
•
Amps
•
70-600A
•
SCCR
•
200kA (Class J and R)
•
10kA (Class H and K)
Flammability ratings:
•
Blocks
•
UL 94V0, self-extinguishing
•
Covers
•
UL 94HB, self-extinguishing
Operating and storage temperature
range:
•
Blocks
•
-40C to 120C
•
Covers
•
Non-indicating covers
-40C to 120C
•
Indicating covers
-20C to 90C
Materials:
•
Base
•
Thermoplastic
•
Box lug terminals
•
Tin-plated aluminum
Wire:*
•
Cu/Al
•
75ºC/90ºC (100-200A)
•
Cu/Al
•
75ºC only (400-600A)**
* Higher temperature rated wire can be used with
appropriate derating.
** 400A Class J double box lug rated for 75º/90ºC
Cu/Al.
Tool-less
open fuse
*No fuse de-rating necessary.
600A version
Double box lug standard
for easier wiring with
smaller, dual conductors
400A Class J version
JM60400-_MW22 with double
box lug for easier wiring with
smaller, dual conductors
See brochure No. 3192 for more information.