Overview
The Littelfuse FLSR3 is a dual-element, time-delay Class RK5 fuse rated for 3 amperes at 600 volts AC. This lot contains 5 fuses, making it ideal for replacement stock or multi-circuit protection needs in industrial control systems. Precision-manufactured construction ensures accurate, consistent response to overloads and short-circuits across motor-driven loads and equipment.
Key Features
- Dual-element, time-delay design tolerates inrush currents without nuisance trips
- UL Class RK5 rating provides superior performance across industrial applications
- 200,000 A interrupting capacity at 600V AC
- Suitable for motor protection and general industrial circuit protection
- Standard cartridge fuse form factor compatible with RK5 fuse holders
Technical Specifications
- Current Rating: 3 amperes
- Voltage Rating: 600 VAC, 300 VDC
- Fuse Class: RK5 (Class RK5)
- Type: Dual-Element, Time-Delay (Slow-Blow)
- Interrupting Rating: 200,000 A @ 600 VAC
- UL Listed: Yes
- Quantity in Lot: 5 fuses
- Manufacturer: Littelfuse, Inc.
Typical Applications
The FLSR3 is designed for use in:
- Motor control circuits and machinery protection
- Industrial automation and drive systems
- Distribution panels and switchgear
- Equipment requiring 3-amp protection at 600 volts
- Any application where dual-element, time-delay response is required
Compatibility & Replacements
Compatible With
- RK5 Class fuse holders and bussing systems
- Industrial control panels and motor starters
- Distribution equipment rated for Class RK5 fuses
- 650-volt and lower AC/DC circuits
- Equipment designed for standard cartridge-style fuses
Replaces / Drop-In Replacement For
- Other Littelfuse FLSR series 3A fuses
- Standard Class RK5 3-amp fuses from other manufacturers (electrical equivalent)
- Verify compatibility with your system integrator before ordering
Works With
- All UL-listed Class RK5 fuse receptacles
- Industrial AC and DC circuits up to 600 volts
- Time-delay protective systems requiring RK5 response characteristics
