Special Application Fuses
PICO® 259-UL913 Series Intrinsically Safe Fuse for Hazardous Locations
PICO® 259-UL913 Series Intrinsically Safe Fuse
RoHS
Description
The 259-UL913 Series offers a range of encapsulated fuses
certified under the UL 913, the standard for intrinsically safe
electrical equipment, to operate in hazardous locations. Ideal for
use in the oil, gas, mine, chemical process, and pharmaceutical
industries, the 259-UL913 fuse was designed to limit the energy
and temperature generated during its operation. In addition
to UL913, these fuses meet ATEX and IECEx requirements.
The fuse design and its encapsulant are suitable for use in
intrinsically safe appartatus and associated apparatus for voltage
not exceeding 125V rms (190V peak).
Features
• Encapsulated and sealed • Global hazardous location
(1mm minimum)
certifications
Agency Approvals
•
0.62A - 5A range options
Agency
Agency File Number
Ampere Range
• Designed to operate
within hazardous
environments
Baseefa02ATEX0071U
0.62A - 5A
E10480
0.62A - 5A
0.62A - 5A
E358130
Applications
IECEx BAS 10.0098U
• Testing, measuring or processing electronic and
electrical equipment
Electrical Characteristics for Series
Reference Standards
% of Ampere
Agency
Standards
OpeningTime
Rating
ATEX
EN 60079-0, EN 60079-11
100%
4 Hours, Minimum
5 Seconds, Maximum
IECEx
IEC 60079-0, IEC 60079-11
200%
Electrical Specifications by Items
Agency Approvals
Ampere
Rating
(A)
Nominal
Melting
Minimum Cold Minimum Cold Nominal Cold
Amp
Code
Interrupting
Rating
Resistance at
-20°C (Ohms)
Resistance at
-40°C (Ohms)
Resistance at
25°C (Ohms)
I2t (A2 Sec.)
0.062
0.125
0.250
0.375
0.500
0.750
1.00
.062
.125
.250
.375
.500
.750
001.
003.
0.00011
0.0012
0.0095
0.025
0.0598
0.153
4.89
1.35
0.51
0.32
0.24
0.14
0.10
0.03
4.39
1.26
0.48
0.29
0.22
0.12
0.07
0.01
7. 0 0
1.70
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
0.67
50A @ 125 VAC
0.395
0.302
0.175
0.128
0.03
300A @ 125 VDC
0.256
1.27
3.00
50A @ 125 VAC
300A @ 63 VDC
5.00
005.
4.14
0.01
0.005
0.0158
x
x
x
Schedule of limitations:
Additional Information
1)The fuse must be mounted in such a way that creepage and clearance distances aren’t
impaired in any way.
2)The fuse is suitable for use in intrinsically safe equipment for voltages not exceeding
190V peak.
3) Maximum surface temperature rise at 170% rated current: ≤750mA=40ºC, 1A=55ºC,
3A=118ºC and 5A=135ºC.
ꢀatasꢁeet
ꢀesouꢁces
Saꢀples
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Application testing is strongly recommended.
Revised: 01/06/16
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