Technical Data 2127
Effective December 2015
Supersedes October 2015
HEB breakaway and non-breakaway
in-line fuse holders for UL 13/32” x 1-1/2”
supplemental fuses
Catalog Symbol: HEB*
Description:
The Bussmann
®
series of HEB submersible,
single-pole in-line fuse holders for UL 13/32” x
1-1/2” supplemental fuses. Available in
non-breakaway and breakaway versions
with an array of terminal options to meet
application needs. Breakaway versions come
with insulating boots to provide submersibility
per UL IP67.
Non-breakaway versions require ordering
optional insulating boots for submersibility.
Recommended fuses:
BAF, FNM, FNQ, KLM and KTK
Ratings:
Volts: 600V
Amps: up to 30A limited by conductor size
Withstand: 200kA RMS Sym.
Agency information:
UL
®
Recognized, Guide IZLT2, File E14853
CSA
®
Certified, Class 622501, File 47235
CE, RoHS compliant
†
Coupling nut torque:
10-20 Lb-In (1.1-2.2 N•m)
Operating and storage temperature:
-40°F (-40°C) to 221°F (105°C)
Insulating boots:
Two insulating boots come standard with the
breakaway holder configurations. Insulating
boots are not included as standard with non-
breakaway holders. Two insulating boots must
be ordered separately, if required, for each non-
breakaway holder ordered. When insulating
boots are utilized, extra heat retention requires
Dual conductor 2A0661
Boot reference:
Installation instructions:
Strip wire insulation equal to the depth of
the crimp or screw terminal. Torque screw
terminal to 35 Lb-In (3.9 N•m) or crimp terminal
twice, spacing crimps a distance of one-third
from each end (as shown below) using an
appropriate crimp tool and die. See page 6 for
recommended crimping tools.
Related products:
Catalog
number Description
Data
sheet No.
HEX
Two-pole supplemental
in-line fuse holder
2126
HEZ
One-pole Class CC in-line
fuse holder
2130
HEY
Two-pole Class CC in-line
fuse holder
2126
HET
One-pole in-line,
permanently installed
neutral
2125
NNB
13/32” x 1-1/2” neutral
dummy link (not a fuse)
—
Strip wire insulation
to de
th of terminal
Crimp terminal twice
at locations 1/3 distance
from each end
that fuses are sized at a minimum of 200% of
the RMS load current.
Use these part numbers to order insulating
boots for a non-breakaway HEB holder:
Description Part number
Single conductor 2A0660
4.1
(104)
4.7
(119)
1.3
(ø33)
0.8
(ø20)
* The Bussmann series HEB in-line fuse holders are the legacy
Bussmann TRON™ HEB in-line fuse holders.
† See terminal data tables for exceptions.
