? 2013 littelfuse, inc. specifcations are subject to change without notice. revised: 02/08/13 pico ? 259-ul913 series intrinsically safe fuse baseefa description agency approvals agency agency file number baseefa baseef02atex0071u iecex bas 10.0098u e10480 (ul 913) e358130 electrical characteristics for series features applications % of ampere rating opening time 100% 4 hours, minimum 200% 5 seconds, maximum ? hermetically sealed ? 62ma - 5a range options ? designed to operate within hazardous environments ? meet certifcation for use within intrinsically safe apparatus for applications such as gas plants, petrochemical, mine, and processing industries electrical specifcations by items schedule of limitations: 1) the fuse must be so mounted that creepage and clearance distances arent 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. ampere rating (a) interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec.) nom voltage drop (mv) agency approvals baseefa ul 913 0.062 50a @ 125 vac 300a @ 125 vdc 7. 0 0 0.00016 2.10 x x x 0.125 1.70 0.0012 1.30 x x x 0.250 0.67 0.0095 0.83 x x x 0.375 0.395 0.025 0.81 x x x 0.500 0.302 0.0598 0.78 x x x 0.750 0.175 0.153 0.23 x x x 1. 0 0 0.128 0.256 0.24 x x x 3.00 0.275 1.27 0.131 x x x 5.00 50a @ 125 vac 300a @ 63 vdc 0.0158 4.14 0.110 x x x the 259-ul913 series offers a range of encapsulated fuses approved under the ul 913 standard for intrinsically safe electrical equipment to operate in hazardous locations. ideal for use in the oil, gas, mine, chemical, 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 for voltage not exceeding 125v rms (190v peak). ? testing, measuring or processing electronic and electrical equipment special application fuses pico ? 259-ul913 series intrinsically safe fuse for hazardous locations
? 2013 littelfuse, inc. specifcations are subject to change without notice. revised: 02/08/13 product characteristics dimensions (.512") 13 mm (.394") 10 mm (.025") .635 mm (.315") 8 mm (.197") 5 mm average time current curves 10 0 10 0 10 1 0.1 0.0 1 0.0 01 1 10 1 000 0.1 time in seconds current in amperes 1 a .750 a .50 0 a 3.1 5 a 5 a .1 25 a .062 a .375 a .250 a 259 s eries thermal shock withstands 5 cycles of 55c to 125c vibration per mistd202f insulation resistance (after opening) greater than 10000 ohms (at 250v dc) soldering parameters part numbering system 0259.062 m x 913 series amp code pac ka ging code the dot is poisitioned before the packaging suffx ith hole ratings and ithin the numbering seuence for fractional ratings. refer to amp code column in the electrical speci fcations table. m bulk pack 1000 pcs t bulk pack 10 pcs example: 1 amp product is 0259 001. mx913 (.062 amp product shon). wave soldering 260c 10 seconds max. operating temperature current rating max ambient temp a c a c a c a c special application fuses pico ? 259-ul913 series intrinsically safe fuse for hazardous locations
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