0259.125 Datasheet

Hazardous Area Fuses


Features, Applications

Meets Barrier Network Standards (EN50020) for hazardous applications. High interrupting rating. Meets the 1500A minimum. Available in both axial lead and surface mount.

% of Ampere Rating 300% 1000% Opening Time 4 hours, Minimum 10 seconds, Maximum 0.002 seconds, Maximum

INTERRUPTING RATINGS: 4000 amperes at 250VAC/VDC PACKAGING (500 pcs): For surface mount version add packaging suffix UR. For Axial Leaded version add packaging suffix UA. For Axial Leaded version, taped add packaging suffix UAT1.

Catalog Number Ampere Rating. Color Coding Red Green Blue Violet Brown Black Nominal Resistance Cold Ohms Nominal Melting 2t A2 Sec.

Designed to allow equipment to meet "Intrinsically Safe" certification for applications in gas plants, petrochemical and processing industries where there is a danger of gas explosion from faulty circuits. Hermetically sealed.

% of Ampere Rating 100% 200% IEC 60079-11. Opening Time 4 hours, Minimum 5 seconds, Maximum

Schedule of limitations. 1) The fuse must be so mounted that creepage and clearance distances meet the requirements of Table :1977 or Table EN50020 :1994 (equivalent to IEC 60079-11 4th Edition 1999). 2) When used in intrinsically safe apparatus it will be necessary to determine a surface temperature classification for the fuse.



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Manufacturer information


Littelfuse offers innovative circuit protection solutions. Wherever one looks, Littelfuse is there. Streetlights, office buildings, cars, trucks, factories, computers, heating and cooling systems, electronic games, telecommunications equipment, even the satellites in the sky are protected by Littelfuse circuit protection products.

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