JLLN125 - 125Amp Fuse Description
JLLN125 - 125Amp Fuse
The Littelfuse JLLN125 Class T 125A Fast-Acting Fuse is the premium choice for applications requiring compact, high-speed overcurrent protection with exceptional fault interruption capabilities. Engineered with a robust knife-blade/bolt-in configuration, this fuse offers 125 amps of fast-acting protection up to 300 VAC and 125 VDC. The JLLN125 is specifically designed for space-constrained environments, making it ideal for industrial control panels, drives, UPS systems, and power distribution networks.
Key Features and Benefits
- 125A Fast-Acting Performance: Provides rapid fault clearance to protect against short circuits and overloads.
- Space-Saving Form Factor: Class T compact design reduces panel space requirements compared to larger fuse types.
- Reliable Knife-Blade Construction: Enables secure, high-current connections in demanding environments.
- Current-Limiting Protection: Minimizes let-through energy to reduce wear on downstream devices and extend system life.
Technical Specifications
- Amp Rating: 125 Amperes
- Voltage Ratings: 300 VAC / 125 VDC
- Interrupting Ratings: 200,000 A @ 300 VAC / 20,000 A @ 125 VDC
- Response Type: Fast-Acting (F)
- Mounting Style: Knife-Blade/Bolt-In
- Fuse Class: UL Class T
- Indication Feature: None
- Body Construction: Durable, arc-resistant housing suitable for industrial use
Material Compliance and Certifications
- UL Listed: Compliant with UL 248-15 standards for Class T fuses
- CSA Certified: Meets Canadian safety requirements
- RoHS Compliant: Free from restricted hazardous materials
- CE Marked: Approved for use in international installations requiring CE compliance
Suitability
The Littelfuse JLLN125 is purpose-built for high-reliability use in:
- Drive Panels & Motor Controls: Shields critical components from damaging overcurrent events.
- UPS and Inverter Systems: Protects sensitive electronics in backup and conversion systems.
- Compact Switchboards and Meter Stacks: Ideal for tight installations needing compact, high-capacity fuses.
- Main and Sub-Panels: Ensures fast and safe fault isolation in commercial and industrial systems.
The Littelfuse JLLN125 delivers unmatched performance in a compact form, offering the speed and power you need to protect modern electrical infrastructure. Choose this fuse for superior reliability and protection where failure is not an option.
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:125
- 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.
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