JLLN150 - 150Amp Fuse

JLLN150 - 150Amp Fuse

The Littelfuse JLLN150 is a 150-amp Class T fuse with specifications that make it easy to identify when you know exactly what your equipment requires. It combines fast-acting operation with a current-limiting design and is rated for up to 300VAC or 125VDC. For maintenance teams, electricians, and equipment owners looking for a Littelfuse JLLN150 fuse, these clear characteristics remove much of the guesswork in matching the part. It's a straightforward electrical component built to last when correctly selected and used within its specified ratings.

Key Features and Benefits

• 150A continuous current rating: Provides the specific amperage required by equipment designed around a 150-amp Class T fuse.
• Class T configuration: Clearly identifies the fuse class, helping narrow compatibility during replacement and maintenance.
• Fast-acting operation: The manufacturer specifies the JLLN150 as a Fast-Acting (F) fuse.
• Current-limiting design: This manufacturer-defined characteristic helps you verify the fuse against the electrical system's requirements.
• AC and DC ratings: Rated for a maximum of 300VAC and 125VDC, providing clearly defined voltage limits for compatibility checks.
• Knife-blade/bolt-in construction: The physical format provides an additional point to verify when matching the fuse to existing equipment.
• Non-indicating design: Manufacturer specifications identify the JLLN150 as a non-indicating fuse.

Technical Specifications

• Manufacturer: Littelfuse
  
• Catalog Number: JLLN150
  
• Series: JLLN
  
• Manufacturer Description: FUS 300V F/A CLASS T 150A
  
• Fuse Class: Class T
  
• Continuous Current Rating: 150A
  
• Opening Characteristic: Fast-Acting (F)
  
• Family Style: Current Limiting
  
• Maximum AC Voltage: 300VAC
  
• Maximum DC Voltage: 125VDC
  
• AC Interrupting Rating: 200,000A (200 kA) at 300VAC
  
• DC Interrupting Rating: 20,000A (20 kA) at 125VDC
  
• Size / Construction: Knife-Blade/Bolt-In
  
• Indicating: No
  
• Mounting Method: Fuse Block / Clip / Holder
  
• PG Holder: LFT30200 Series
  

Material Compliance and Certifications

The supplied manufacturer information for the Littelfuse JLLN150 does not specify material-compliance declarations or certifications such as UL, CSA, CE, RoHS, or REACH. Those certifications should therefore not be assumed from the fuse class, series, or specifications alone. If the application requires a particular approval or material-compliance status, verify it using the product markings and current authoritative Littelfuse documentation.

Where It Works Best

The JLLN150 is best suited to existing electrical equipment and maintenance applications that specifically require a 150A, Class T, fast-acting, current-limiting fuse with a knife-blade/bolt-in configuration. It is particularly relevant when the application calls for the JLLN150 catalog number or requires its combination of 300VAC/125VDC maximum voltage ratings and corresponding interrupting capacities.