Overview
The Littelfuse FLNR1-6/10 is a Class RK5 dual-element, time-delay cartridge fuse rated at 1.6A. These fuses are engineered specifically for motor circuits and equipment requiring coordinated protection with motor starters. Supplied as a box of three, this product offers industrial-grade reliability for automation systems, control panels, and industrial machinery.
Key Features
- Class RK5 current-limiting design for coordinated protection with motor starters
- Time-delay (slow-blow) characteristic prevents nuisance trips from motor inrush currents
- Dual-element construction for superior performance and extended equipment life
- 250VAC and 125VDC voltage ratings for broad application compatibility
- 200 kA interrupt rating at 250VAC; 20 kA at 125VDC
- Cartridge-style form factor for standard panel mounting
Technical Specifications
- Ampere Rating: 1.6A
- Voltage Rating: 250VAC, 125VDC
- Interrupt Capacity: 200 kA @ 250VAC; 20 kA @ 125VDC
- Fuse Class: RK5 (Fusetron)
- Speed Characteristic: Time-Delay / Slow-Blow
- Construction Type: Cartridge (Ceramic)
- Approvals: UL, CSA, CE
- Packaging: Box of 3 fuses
Typical Applications
- Motor starter circuits and branch protection in industrial control panels
- Allen-Bradley MCC (Motor Control Center) bucket replacements
- Siemens SINAMICS and ABB ACS drive supply circuits
- Mitsubishi and Omron servo motor and spindle motor circuits
- Industrial machinery spindle protection and automation equipment
- Conveyor systems, compressors, and pump motor protection
Compatibility & Replacements
Compatible With
- Standard RK5 cartridge fuse holders and sockets
- Motor starter buckets in Allen-Bradley, Siemens, ABB, and Schneider MCCs
- Industrial control circuits rated 250VAC and 125VDC
- Motor branch circuits requiring time-delay protection
Replaces / Drop-In Replacement For
- Littelfuse FLNR01.6, FLNR-1.6, FLNR 1-6/10A
- Bussmann FRN-R-1-6/10 (Class RK5 equivalent)
- Mersen TR-R 1.6A (Class RK5 equivalent)
Works With
- RK5 fuse clips, holders, and cartridge blocks
- Motor control circuits with time-delay starter coordination
- Panel-mount and DIN-rail mounted switch gear
- Industrial automation systems and PLC-based controls
