LOW-PEAK CLASS J T/D
Bussmann

Bussmann LPJ-1-1/4SP LOW-PEAK CLASS J T/D

  • MPN: LPJ-1-1/4SP
  • UPC: 051712522755
  • PPN: BUS-LPJ-1-1/4SP

CAD

$24.12

/ EA

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Spec sheet

Description

Bussmann series Ultimate protection LPJ Class J dual element, current-limiting, time-delay fuses available with optional open fuse indication. Timedelay 10 seconds (minimum) at 500% of rated current.

Features

  • Engineered with an advanced current-limiting design, this Class J fuse rapidly isolates high-magnitude short circuits before they can unleash catastrophic thermal and magnetic forces. By strictly limiting peak let-through current, it acts as a premier protective shield for sensitive solid-state components, industrial control panels, and branch circuits.
  • Featuring a true dual-element build, this fuse delivers a minimum 10-second time-delay at 500% of its 1.25-amp rating. This allows it to absorb heavy, temporary in-rush currents and transient motor surges seamlessly, cutting down on costly downtime caused by needless fuse openings while maintaining ultimate overcurrent protection.
  • Boasting an exceptional 300 kA AC and 100 kA DC interrupting rating, it provides worry-free installation across high-capacity industrial power systems. This massive breaking capacity ensures safe fault isolation in virtually any application, effortlessly matching or exceeding strict compliance mandates.
  • This non-rejection, ferrule-terminal cartridge measures a standardized 0.81 inches in diameter by 2.25 inches in length. Its compact, space-saving design permits industrial equipment downsizing and drops directly into standard Class J fuse blocks or modular disconnect switches without any structural retrofitting.
  • Offering a consistent 2:1 ampacity ratio within the Low-Peak family, this fuse makes complex selective coordination simple and predictable independent of breaker manufacturers. If a fault occurs, only the fuse closest to the issue opens, preventing widespread cascading blackouts across your facility's electrical infrastructure.
  • This specialized component is fully UL Listed and CSA Certified, assuring compliance with rigorous global safety and electrical codes. Additionally, its dual-element engineering boasts a lower internal resistance than ordinary fuses, allowing it to run cooler and provide robust Type 2 "No Damage" backup protection for NEMA and IEC motor controllers.

Documentation & Downloads

Specifications

Additional

Voltage
600 Vac, 300 Vdc
Interrupting Rating
300kA Vac RMS Sym., 100kA Vdc
Dimensions
2.25 in x 0.81 in (1-30A), 2.38 in x 1.06 in (35-60A)
Amperage1-60 A
Time-delay10 seconds minimum at 500% rated current
CompliancecULus Listed, UL 248-8 Class J, CSA C22.2 No. 248.8 Class J, CE, RoHS

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