Cut Sheet

FNQ Series
500Vac Time-Delay Supplemental Fuses
Technical Data 1012
Effective February 2016
Eaton and Bussmann are valuable trademarks
of Eaton in the U.S. and other countries. You
are not permitted to use the Eaton trademarks
without prior written consent of Eaton.
UL is a registered trademark of the
Underwriters Laboratories, Inc.
CSA is a registered trademark of the Canadian
Standards Group.
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
Eaton.com
Bussmann Division
114 Old State Road
Ellisville, MO 63021
United States
Eaton.com/bussmannseries
© 2016 Eaton
All Rights Reserved
Printed in USA
Publication No. 1012 — BU-SB14286
February 2016
Follow us on social media to get the
latest product and support information.
The only controlled copy of this Data Sheet is the electronic read-only version located on the Bussmann 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. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue
or limit distribution of any products. Bussmann 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.
Time-current characteristic curves – average melt
1
2
1-6/10
300
100
10
1
0.1
0.01
3-2/10
200
20
10
0.6
1
100
1/2
Time in Seconds
Current in Amps
Amp Rating
10
15
100
10
1
0.1
0.01
200
20
100
600
4
5
6
7
20
25
30
10
6
Time in Seconds
Current in Amps
Amp Rating