0242.050 LITTELFUSE | Alldatasheet

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Technical content

Blade Terminal & Special Purpose Fuses 459www.littelfuse.com Barrier Network Fuse 242 Series Safe-T-Plus Fuse 259 Series (.512") 13mm (.394") 10mm (.025") .635mm (.315") 8mm (.197") 5mm

  • Meets Barrier Network Standards (EN50020) for hazardous applications.
  • High interrupting rating. Meets the 1500A minimum.
  • Available in both axial lead and surface mount. ELECTRICAL CHARACTERISTICS: % of Ampere Rating Opening Time 110% 4 hours, Minimum 300% 10 seconds, Maximum 1000% 0.002 seconds, Maximum AGENCY APPROVALS:Recognized under the components program of Underwriters Laboratories. INTERRUPTING RATINGS: 4000 amperes at 250VAC/VDC PACKAGING (500 pcs):For surface mount version add packaging suf- fix UR. For Axial Leaded version add packaging suffix UA. For Axial Leaded version, taped add packaging suffix UAT1. ORDERING INFORMATION: Nominal Nominal Catalog Ampere Color Resistance Melting I 2t Number Rating Coding Cold Ohms A 2 Sec. 0242.050 .050 Red 11.34 0.000103 0242.080 .080 Green 8.19 0.000214 0242.100 .100 Blue 3.60 0.000977 0242.160 .160 Violet 3.00 0.00157 0242.200 .200 Brown 2.68 0.0038 0242.250 .250 Black 1.6 0.00579
  • 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. ELECTRICAL CHARACTERISTICS: % of Ampere Rating Opening Time 100% 4 hours, Minimum 200% 5 seconds, Maximum AGENCY APPROVALS:Meets CENELEC EN500014 to 039 and IEC 60079-11. INTERRUPTING RATINGS: 50 amperes at 125 VAC 300 amperes at 125 VDC ORDERING INFORMATION: 3.02mm (.119") 8.40mm (.331") 4.00mm 4.60mm (.181") 1.90mm (.075") 3.02mm (.119") 8.40mm (.331") 4.60mm (.181") 2.90mm 3.20mm 9.80mm 1.90mm (.075") .635mm (.025") Maximum Nominal Catalog Ampere Voltage Resistance Melting I 2t Number Rating Drop Cold Ohms A 2 Sec. 0259001. 1 0.24 0.14 0.01 Schedule of limitations. 1) The fuse must be so mounted that creepage and clearance distances meet the requirements of Table 2 of EN50020 :1977 or Table 4 of 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. ®RoHS RoHS 12BLADE TERMINAL AND SPECIAL PURPOSE FUSES