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JLLN150 - 150Amp Fuse

  • 150 Amp
  • 200 kA @ 300 V.AC Volts AC

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JLLN150 - 150Amp Fuse Description

JLLN150 - 150Amp Fuse

The Littelfuse JLLN150 Class T 150A Fast-Acting Fuse is designed to deliver unmatched protection for high-current electrical systems requiring a fast, space-efficient solution. With a 150-ampere continuous current rating and the ability to handle up to 300 VAC and 125 VDC, the JLLN150 is ideal for safeguarding mission-critical equipment such as motor drives, UPS systems, and compact distribution panels. Its current-limiting capabilities significantly reduce potential damage by instantly cutting off high fault currents—rated up to 200,000 amps at 300 VAC. 

Key Features and Benefits

  • Fast-Acting Overcurrent Protection: Stops damaging surges instantly to protect sensitive and costly equipment.
  • Compact Class T Form Factor: Enables high-density fuse installations in space-restricted enclosures.
  • Knife-Blade Mounting: Offers stable, vibration-resistant connections in demanding environments.
  • Current-Limiting Technology: Controls energy release to reduce system stress and prevent equipment degradation.

Technical Specifications

  • Ampere Rating: 150 Amperes
  • Voltage Ratings: 300 VAC / 125 VDC
  • Interrupting Ratings: 200,000 A at 300 VAC / 20,000 A at 125 VDC
  • Response Speed: Fast-Acting
  • Mounting Type: Knife-Blade/Bolt-In
  • Class: UL Class T
  • Indicating Feature: None
  • Design: Durable thermoset body with high arc resistance

Material Compliance and Certifications

  • UL Listed: Certified to UL 248-15 Class T fuse standards
  • CSA Certified: Approved for Canadian applications
  • RoHS Compliant: Environmentally responsible, lead-free construction
  • CE Marked: Meets European safety and quality regulations

Suitability

The Littelfuse JLLN150 is a dependable choice for:

  • Industrial Motor Control Centers: Safeguards motors and drives from short-circuit conditions.
  • Backup Power Systems: Provides rapid fault protection in UPS and inverter installations.
  • Electrical Distribution Panels: Fits tightly in space-conscious industrial and commercial panelboards.
  • Service Entrance Equipment: Ideal for main fusing in residential and light commercial applications.

Choose the JLLN150 when you need top-tier, fast-acting protection that combines high performance, compact design, and proven reliability in the most demanding environments.

 

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:1.062
  • Depth:1.062
  • Height:2.437
  • Amperes:150
  • A.I.C. Rating & Volts:200 kA @ 300 V.AC
  • Type:JLLN
  • Additional Notes:Knife-blade Style, Non-Indicating, Very Fast-Acting, current-limiting Class T Fuse

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

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In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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