Littelfuse FLNR125ID Indicator Fuse 125A 250V Slo-Blo Knife-Blade

The FLNR125ID from Littelfuse is part of the innovative FLNR_ID Series, designed to excel in various applications like distribution panelboards, service entrance switches, and industrial control panels. Featuring superior overload and short circuit protection, this fuse significantly reduces equipment damage while enhancing safety and operational efficiency. Its unique built-in indicator system allows for at-a-glance identification of blown fuses without the need for testing, thus minimizing downtime and ensuring a quick response from maintenance personnel. With a knife-blade package design optimized for a range of circuits, the FLNR125ID effectively decreases inventory needs by being applicable to multiple applications, promoting reliable performance and extended lifespan through advanced time-delay characteristics. With an amperage rating of 125A and an interrupting rating of 300,000A at 250VDC, it's a robust solution for protecting motor control centers and fully-rated panelboards.

• Visual blown fuse indicator for quick fuse status
• Dual-element design for advanced short circuit and overload protection
• Time-delay (Slo-Blo) characteristic to reduce nuisance opening and protect motors
• Current-limiting to reduce damage during short circuits
• Knife-blade package design for easy installation and compatibility
• High interrupting rating of 300,000 A at 250 VDC for robust fault clearing
• Applicable in industrial power, distribution panelboards, and motor control centers
• Reduces equipment damage with superior overload and short circuit protection
• Minimizes downtime by enabling immediate blown fuse detection without testing
• Meets Class RK5 standards for reliable fuse performance

• Voltage: 250 VAC, 125 VDC
• Interrupting Rating: 300,000 A @ 250 VDC, 200 kA rms symmetrical AC, 20 kA DC
• Ampere Rating: 125 A
• Fuse Type: Dual Element, Time Delay (Slo-Blo/Time Lag)
• Indication: Visual blown fuse indication
• Series: FLNR_ID

Certification

Datasheets