Eaton COOPER POWER SERIES Installation guide

COOPER POWER SERIES
Eaton
Brand
Eaton
Model
COOPER POWER SERIES
Type
Installation guide

Eaton COOPER POWER SERIES ELSP fuse holder is an apparatus used to support oil-immersible current-limiting fuses, specifically those rated 23 kV and below. It ensures the secure mounting of fuses during shipping, handling, and operation, regardless of their position. The combination of retaining springs and ty-raps keeps the fuse in place, while high-strength nylon spacers provide support and insulation. Installation is straightforward, involving mounting the fuse holder on studs or bolts, positioning the fuse assembly, and connecting leads to the fuse ends.

Eaton COOPER POWER SERIES ELSP fuse holder is an apparatus used to support oil-immersible current-limiting fuses, specifically those rated 23 kV and below. It ensures the secure mounting of fuses during shipping, handling, and operation, regardless of their position. The combination of retaining springs and ty-raps keeps the fuse in place, while high-strength nylon spacers provide support and insulation. Installation is straightforward, involving mounting the fuse holder on studs or bolts, positioning the fuse assembly, and connecting leads to the fuse ends.

ELSP fuse holder
General
Eaton’s Cooper Power™ series ELSP fuse
holder is used to support the ELSP oil
immersible current-limiting fuses, where
the fuses are rated 23 kV and below.
The support assembly consists of a
polyglass board and four nylon spacers
at tached with nylon nuts. The fuse is
fastened to the board by means of two
stainless steel tie-downs and two nylon
ty-raps. Experience has shown that this
combination of fuse ties provides the
best insurance that the fuse will remain
stationary and secure during ship ment of
the apparatus.
The ELSP fuse and holder are easily
mounted inside the trans form er. The fuse
holder may be mounted anywhere there
is space and in any position. Good design
practice dictates that the fuse be located
as near as practical to the incoming primary
bushing.
Installation
The fuse is mounted on the board using
springs and ties. The nylon spacers are
then mounted on welded-in studs or with
bolts on a bracket or crossbar. The board
assembly with fuse is positioned over the
four spacers and tightened with the nylon
nuts. The leads are con nected to each end
of the fuse using a ¼ inch crimped terminal
lug. Refer to Service Information
MN132001EN ELSP Current-Limiting
Backup Fuse Installation Instructions for
details.
Fusing Equipment
Catalog Data
CA132029EN
COOPER POWER
SERIES
Effective December 2015
Supersedes July 2015
Features and detailed description
SIDE VIEW FRONT VIEW
Figure 1. Front and side views of fuse holder showing dimension.
ote:N Dimensions given are for reference only.
Ordering information
To order the ELSP fuse holder, specify the fuse holder required from
Table 2.
RETAINING SPRINGS and
TY-RAP combination keeps the fuse in place during
shipping, handling and operation in any position.
WASHER
Prevents over
tightening the hex
nut into the
mounting board.
NYLON SPACERS
High Strength Nylon
Spacers provide
support for the
mounting board and
ensure
that the fuse is
insulated from the
mounting surface.
PAL NUT
Secures the
retaining ring
to the mounting
board.
MOUNT TO
3
/8—
16 x
13
/16 “
DEEP THREADED
STUD
POLYGLASS BOARD
provides an insulated mounting surface
for the fuse.
3
/8—16 NYLON HEX NUT
Secures the nylon spacer
onto the board
Table 2. ELSP Fuse Holder
Description Catalog Number
Single Fuse Holder
(2” dia. fuse)
3409661C05M
Parallel Fuse Holder
(2” dia. fuse)
3409661C07M
Single Fuse Holder
(3” dia. fuse)
3409661C08M*
Table 1. ELSP Fuse Holder Dimensional Information
Holder Type
Dimensions
A B C D E
2” dia Single 6.0
(152)
3.00
(76)
5.0
(127)
4.13
(105)
2.1
(53)
2” dia. Parallel and
3” dia. Single
9.0
(229)
5.98
(152)
7.0
(178)
5.92
(150)
2.1
(53)
B
A
D
C
E
* Cannot be used with 38 kV fuses.
ELSP fuse holder
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
United States
Eaton.com
Eaton’s Cooper Power Systems Division
2300 Badger Drive
Waukesha, WI 53188
United States
Eaton.com/cooperpowerseries
© 2015 Eaton
All Rights Reserved
Printed in USA
Publication No. CA132029EN
Catalog Data CA132029EN
Effective December 2015
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
For Eaton's Cooper Power series product infor-
mation call 1-877-277-4636 or visit:
www.eaton.com/cooperpowerseries.
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Eaton COOPER POWER SERIES Installation guide

COOPER POWER SERIES
Eaton
Brand
Eaton
Model
COOPER POWER SERIES
Type
Installation guide

Eaton COOPER POWER SERIES ELSP fuse holder is an apparatus used to support oil-immersible current-limiting fuses, specifically those rated 23 kV and below. It ensures the secure mounting of fuses during shipping, handling, and operation, regardless of their position. The combination of retaining springs and ty-raps keeps the fuse in place, while high-strength nylon spacers provide support and insulation. Installation is straightforward, involving mounting the fuse holder on studs or bolts, positioning the fuse assembly, and connecting leads to the fuse ends.

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