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Mersen - AJT80 - Fuse, Time Delay, Class J, AJT Series, 80 A

  • MFR SKU: AJT80
  • ITEM #: 5111009
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ITEM #: 5111009
Time-delay, indicating UL Class J fuses tolerate temporary inrush currents without opening, which prevents nuisance-blowing from motor and equipment startups. Also called slow-blow Class J fuses, they open to disconnect an electrical circuit when exposed to sustained loads and short circuits. They have a visual indicator to make it easier to identify blown fuses for replacement. UL Class J fuses have a high interrupting rating for protecting against short circuits and are ideal for IEC motor starter...
ITEM #: 5111009
Time-delay, indicating UL Class J fuses tolerate temporary inrush currents without opening, which prevents nuisance-blowing from motor and equipment startups. Also called slow-blow Class J fuses, they open to disconnect an electrical circuit when exposed to sustained loads and short circuits. They have a visual indicator to make it easier to identify blown fuses for replacement. UL Class J fuses have a high interrupting rating for protecting against short circuits and are ideal for IEC motor starter applications. These 600VAC fuses are not interchangeable with any other UL fuse class. They are current-limiting to prevent electrical damage by disconnecting circuits before they're exposed to the full magnitude and duration of an overcurrent.
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Mersen - AJT80 - Fuse, Time Delay, Class J, AJT Series, 80 A

  • Item #: 5111009
  • MFR SKU: AJT80
Technical Specs
  • Optional EI blown fuse indicator/switch available
  • High-grade silica filler ensures fast arc quenching
  • Fiberglass body provides dimensional stability in harsh industrial settings
  • Metal embossed date and catalog number for traceability and lasting identification
  • High-visibility orange label gives instant recognition
  • Unique Class J dimensions prevent replacement errors
  • Easy 2-to-1 selectivity for prevention of nuisance shutdowns
  • Small footprint requires less mounting space and allows smaller, more economical fuse blocks
  • Most current-limiting UL class fuse
  • Extremely current-limiting for low peak let-thru current
  • 300kA interrupting rating, self-certified (UL witnessed)
  • Time-delay for motor starting and transformer inrush
  • Solid-state SmartSpot indicator
  • CSA Certification: 1422-02 1422-02 UL Certification: E2137 CE conformity: Yes Lead Free: Yes ROHS Compliant: Yes Applications: Motor Circuits Mains Feeders Branch Circuits Lighting Heaters Transformers Control Panels Circuit Breaker Back-up Bus Duct Load Centers Standards: UL Listed to Standard 248-8, File E2137 DC Listed to UL Standard 248 CSA Certified to Standard C22.2, No. 248.8 IEC 269-2-1 Materials Contact: Tin-plated Copper Silver-Plated Copper Brass Body Material: GMG Body Style: Cylindrical Rejection Connection Terminal Type: Ferrule Blade Mounting: Clip Speed / Characteristic: Time-delay Class: Class J IR Other: 300kA 600V AC Self Certified (UL Witnessed) I.R DC: 100 kA I.R. AC: 200 kA Ampere Range: 1 to 600 A DC Voltage: 500 VDC AC Voltage: 600 VAC CAD Drawings
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  • Application Guidelines
  • Charts
  • Data Sheets
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