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KTK-1-1/4

P1-P2
Technical Data 1011
Effective December 2015
Supersedes April 2014
BUSSM ANN
SERIES
Catalog symbol / color code:
• 
KTK - Black (600Vac max)
 
Description:
Fast-acting, supplemental fuse.
For superior protection, Bussmann Division rec-
ommends upgrading to Low-Peak™ Class CC
fuses. See data sheet No. 1023.
Specifications:
Ratings
Fuse
amp range
Interrupting rating
at rated voltage
Agency
information
600Vac UL
®
CSA
®
1/10 to 30 100kA X X
Agency information
• 
CE, RoHS compliant
• 
UL Listed, Std. 248-14, Guide JDYX,
File E19180
• 
CSA Certified: C22.2 No. 248.14,
Class 1422-01, File 53787, HRC-MISC
Catalog numbers (amps)
KTK-1/10 KTK-3/4 KTK-4 KTK-12
KTK-1/8 KTK-1 KTK-5 KTK-15
KTK-2/10 KTK-1-1/4 KTK-6 KTK-20
KTK-1/4 KTK-1-1/2 KTK-7 KTK-25
KTK-3/10 KTK-2 KTK-7-1/2 KTK-30
KTK-4/10 KTK-2-1/2 KTK-8
KTK-1/2 KTK-3 KTK-9
KTK-6/10 KTK-3-1/2 KTK-10
Carton quantity
Amps Qty.
1/10 to 30 10
Features
• 
Color coded black for 600Vac voltage rating
• 
Fast-acting for resistive loads
• 
Melamine tube construction
• 
Nickel-plated endcaps
Typical applications
• 
Control circuits
• 
Lighting circuit protection
• 
Meter circuits
Recommended fuse blocks/fuse
holders:
Catalog Description Data sheet
symbols Blocks No.
BMM
1-, 2- and 3-pole
modular blocks with
optional covers
10235
DIN-Rail holders / switches
CCP-_-30M 1-, 2- and 3-pole
switch
11 5 7
CHM 1-, 2- and 3-pole 3185
Optima NG
3-pole protection
module
110 9
Optima 3-pole holder 110 2
Optima 3-pole holder +
switch
110 3
Panel mount holders
HPM and HPM-D 1-pole holder 2 11 2
HPC-D 1-pole holder 2109
HPS2 2-Pole holder 2140
HPF, HPF-C and
HPF-WT
1-pole holder 2 114
HPS 1-pole holder 2 11 3
HPG and HPD 1-pole holder 2108
In-line holders
HEB 1-pole holder 2127
HEX 2-pole holder 2126
Fuseclips
1A3400, 5956
and 5960
PCB fuseclips 2132
Fuse covers
CVR(I)-CCM(-QC) Finger-safe fuse cover 10235
KTK 13⁄32˝ x 1-1⁄2˝ 600Vac fast-acting
supplemental fuses
0.41"
(10.3)
1.5"
(38.1)
Dimensions - in (mm):
600Vac 
1/10 to 30A
KTK
600Vac fast-acting supplemental fuses
Technical Data 1011
Effective December 2015
The only controlled copy of this data sheet is the electronic read-only version located on the Eaton 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. Eaton reserves the right, without notice, to change design or construction
of any products and to discontinue or limit distribution of any products. Eaton 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.
Eaton, Bussmann and Low-Peak 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.
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. 1011 – BU-SB14285
December 2015
For Eaton’s Bussmann series
product information,
call 1-855-287-7626 or visit:
Eaton.com/bussmannseries
Follow us on social media to get the
latest product and support information.
Current in Amps
Time in Seconds
10
100
800
1
100
10
1
Amp Rating
0.1
0.01
1
3/4
6/10
3
4
6
5
0.9
1-1/2
8
2-1/2
7
10
30
15
25
20
2
Time-current characteristic curves – average melt:
Amp rating
Time seconds
Current in amps
P1-P2

KTK-1-1/4

Mfr. #:
Buy KTK-1-1/4
Manufacturer:
Bussmann / Eaton
Description:
Industrial & Electrical Fuses 600VAC 1.25A Fast Acting Limitron
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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