Skip to main content Skip to search Skip to main navigation

Littelfuse FLNR012 Cartridge Fuse 12A 250VAC 125VDC Slo-Blo Time Lag Industrial Cartridge

Brand SKU 9940

Documents

Engineered for precision and reliability, the FLNR Series from Littelfuse stands at the forefront of industrial circuit protection. This device offers an impressive interruption capability of up to 200,000 A.I.R., ensuring effective protection against overloads and short circuits across various applications, including industrial control panels, motor control centers, and general purpose circuits. Its Slo-Blo/Time Lag design delivers a faster acting response compared to traditional mechanical protective devices, making it an ideal solution for fully-rated panelboards and loadcenters. With an ampere rating of 12 and compatibility with both 250 VAC and 125 VDC, this industrial cartridge brings enhanced safety and efficiency to service entrance switches and individual fused combination motor controllers alike.

  • Dual-element design for advanced short circuit and overload protection
  • Faster acting short circuit protection than non-current limiting mechanical devices
  • High interrupting rating up to 200,000 amperes for reliable fault clearing
  • Slo-Blo/Time Lag opening type for time-delay protection against transient surges
  • Compatible with 250 VAC and 125 VDC for versatile industrial applications
  • UL Listed and CSA Certified for safety and compliance assurance
  • Suitable for fully-rated panelboards, loadcenters, and industrial control panels
  • Effective protection for motor control center mains, service entrance switches, and fused combination motor controllers
  • Class RK5 fuse providing general purpose circuit protection
  • Accurate and reliable with automated, precision manufactured parts ensuring consistent response
  • Voltage Rating AC: 250 V
  • Voltage Rating DC: 125 V
  • Amperage: 12 A
  • Opening Type: Time-delay (Slo-Blo/Time Lag)
  • Interrupting Rating DC: 20,000 A@125 VDC
  • Fuse Series: FLNR
  • Fuse Class: Class RK5
  • Type: Dual-element, Time-delay
  • Approvals: UL Listed, CSA Certified, Federal Specification WF-1814

Certification

UL JDDZ E81895
CSA 1422-02 029862

Datasheets

FLNR and FLSR Series Datasheet