Technical Data
2027
Effective
May
2017
Supersedes
April
2009
C520
5 mm x
15
mm
Fast-acting
glass tube fuses
Agency information
•
UL Listed Card: Guide JDYX, File E19180
•
CSA Certification Card: Class 1422-01, 53787
Ordering
•
Specify product code: Insert packaging code prefix
before part number. E.g. BK (or BK1)/C520-500-R
Electrical Characteristics
Amp Rating
Opening Time
100%
None
135%
1 hours max.
200%
2 seconds max.
Rated Current
Product features
•
•
•
•
Fast-acting
5 x 14.48mm physical size
Glass tube, nickel-plated brass endcap construction
UL Listed product meets standard UL 248-14
100mA - 5A
Part Number
C520-100-R
C520-125-R
C520-250-R
C520-375-R
C520-500-R
C520-750-R
C520-1.5-R
C520-2-R
C520-2.5-R
C520-3-R
C520-3.5-R
C520-4-R
C520-5-R
Voltage
Rating
Vac
250
250
250
250
250
250
250
250
250
250
250
250
250
Interrupting Rating
at Rated Voltage (amps)
250Vac
125Vac
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
100
10,000
100
10,000
100
10,000
100
10,000
100
10,000
200
10,000
200
10,000
Speci cations
Typical DC Cold
Resistance*
(Ω)
22.30
15.20
5.60
2.53
1.66
0.91
0.900
0.064
0.046
0.038
0.032
0.022
0.018
Typical
Melting I
2
t**
AC
0.0010
0.0019
0.012
0.039
0.059
0.264
0.800
1.9
2.9
6.1
9.7
16.6
22.4
Typical
Voltage
Drop (mV)***
2230
1930
1450
968
845
686
135
136
121
116
115
88
91
* DC Cold Resistance (Measured at <10% of rated current)
** Typical Melting I
2
t (A
2
Sec) (maximum I
2
t at 10 times rated current)
*** Typical Voltage Drop (Voltage drop was measured at 25°C±3°C ambient temperature at rated current)
Technical Data
2027
Effective
May
2017
C520
5 mm x 15 mm Fast-acting glass tube fuses
Time-Current Curve
Dimensions - mm
Drawing Not to Scale
14.48
5.0 (Typ.)
5.2
Amp
Rating
Time in Seconds
Current in Amps
Packaging Code Pre x
BK
BK1
Description
100 fuses packed into a cardboard carton
1,000 fuses packed into a cardboard carton
Packaging Code
Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written
approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly
used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
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.
Eaton
Electronics Division
1000 Eaton Boulevard
Cleveland, OH 44122
United States
www.eaton.com/electronics
© 2017 Eaton
All Rights Reserved
Printed in USA
Publication No. 2027
BU-SB09252
May
2017
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
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