JLLN125 - 125Amp Fuse

JLLN125 - 125Amp Fuse

The Littelfuse JLLN125 is your reliable fuse with essential features for easy identification. Rated for 125 amps and classified as a fast-acting, current-limiting fuse, it uses a sturdy knife-blade/bolt-in design. This non-indicating fuse requires a compatible holder; Littelfuse recommends the LFT30200 Series.

Key Features and Benefits

• 125A continuous current rating: Provides an exact amperage specification for equipment requiring a 125-amp fuse.
• Class T fuse: The Class T designation provides an essential compatibility point when checking an existing fuse application.
• Fast-acting characteristic: Littelfuse specifies the JLLN125 as Fast-Acting (F).
• Current-limiting design: Identified by the manufacturer as part of its current-limiting fuse family.
• Dual AC/DC ratings: Rated for a maximum of 300VAC and 125VDC, allowing the applicable rating to be checked against the equipment requirements.
• Knife-blade/bolt-in construction: Gives you an important physical characteristic to verify in addition to the electrical ratings.
• Non-indicating configuration: Manufacturer specifications identify the JLLN125 as a non-indicating fuse.

Technical Specifications

• Manufacturer: Littelfuse
  
• Catalog Number: JLLN125
  
• Series: JLLN
  
• Manufacturer Description: FUS 300V F/A CLASS T 125A
  
• Continuous Current Rating: 125A
  
• Fuse Class: Class T
  
• 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
  
• Construction / Size: Knife-Blade/Bolt-In
  
• Indicating: No
  
• Mounting Method: Fuse Block / Clip / Holder
  
• PG Holder: LFT30200 Series
  

Material Compliance and Certifications

The manufacturer information provided for the Littelfuse JLLN125 does not specify UL, CSA, CE, RoHS, REACH, or other certification or material-compliance details. This should not be interpreted as meaning that the fuse does not carry a particular certification. If the application requires a specific approval or material standard, verify it against authoritative documentation for the exact JLLN125 catalog number.

Where It Works Best

The JLLN125 Class T fuse is best suited to compatible electrical equipment specifically requiring a 125A fast-acting, current-limiting fuse with knife-blade/bolt-in construction.