HSJ MERSEN | Alldatasheet

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Technical content

MERSEN.COM PF 18 © 2024 Mersen. All rights reserved. Mersen reserves the right to change, update, or correct, without notice, any information contained in this datasheet. The High Speed J (HSJ) fuse combines the low I2t of a semiconductor fuse and the branch circuit performance of a Class J UL listed fuse. This fuse was designed for the starting characteristics of solid state motor controllers. The HSJ can provide branch circuit protection per NEC requirements, as well as very low I2t for protection of power semiconductors such as Diodes, SCRs, GTOs and SSRs. FEATURES/BENEFITS:

  • Optimized over-load capability for withstanding elevated levels of current during electronic motor controller starts
  • Low I2t (low thermal energy)
  • Excellent cycling ability for frequent starts/stops without nuisance opening RATINGS:
  • Volts: 600VAC, 500VDC
  • Amps: 1 to 600A (AC), 15 to 600A (DC)
  • IR: 200kA I.R. AC, 100kA I.R. DC, L/R =10mS or less (Self Certified for 600VAC, 300kA I.R., UL witnessed.) HIGHLIGHTS:
  • Current-limiting
  • AC & DC ratings
  • Low I2t
  • Compact size APPLICATIONS:
  • Branch circuits
  • Control panels
  • Electronic motor controllers
  • Phase controllers
  • Drives
  • Soft-starters
  • Solid state relays APPROVALS:
  • UL listed to standard 248-8 File E2137
  • CSA certified to standard C22.2 no. 248.8
  • DC listed to UL 248 HSJ High Speed/Class J UL/CSA LISTED POWER FUSES PROTECT YOUR WIRING AND POWER SEMICONDUCTORS WITH A SINGLE FUSE

MERSEN.COM PF 19 © 2024 Mersen. All rights reserved. Mersen reserves the right to change, update, or correct, without notice, any information contained in this datasheet. UL/CSA LISTED POWER FUSES Class J HSJ High Speed CATALOG NUMBERS (AMPS) DIMENSIONS RECOMMENDED FUSE BLOCKS WITH BOX CONNECTORS FOR AMP-TRAP® CLASS J FUSES 1-60A 61-600A HSJ1 HSJ30 HSJ90 HSJ250 HSJ3 HSJ35 HSJ100 HSJ300 HSJ6 HSJ40 HSJ110 HSJ350 HSJ10 HSJ45 HSJ125 HSJ400 HSJ15 HSJ50 HSJ150 HSJ450 HSJ17-1/2 HSJ60 HSJ175 HSJ500 HSJ20 HSJ70 HSJ200 HSJ600 HSJ25 HSJ80 HSJ225 Fuse Ampere Rating Catalog Number 600V or Less 1-Pole 3-Pole 0-30 US3J1I US3J3I 31-60 US6J1I US6J3I 61-10 0 FB60J100B1 FB60J100B3 101-200 62001J 62003J 201 -400 64031J 64033J 401-600 6631J 6633J Ampere Rating A B C D E F G H in mm in mm in mm in mm in mm in mm in mm in mm 61-10 0 4-4/8 117 1 -1/8 29 1/8 3.2 3/4 19 1 25 3-5/8 92 3/8 10 9/32 7 101-200 5-3/4 146 1 -5/8 41 3/16 4.8 1 -1/8 29 1 -3/8 35 4-3/8 111 3/8 10 9/32 7 201 -400 7-1/8 181 2-1/8 54 1/4 6.3 1 -5/8 41 1 -7/8 48 5-1/4 133 17/32 13 13/32 10 401-600 8 203 2-1/2 64 3/8 9.5 2 51 2-1/8 54 6 152 11/16 18 17/32 13 A variety of pole configurations and termination provisions are available. Refer to Section FB for details.