Littelfuse FLNR300ID Class RK5 Fuse – 300A – 250V Time-Delay Indicating Fuse
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The Littelfuse FLNR300ID is a 300 Amp Class RK5 dual-element time-delay fuse designed for industrial and commercial electrical distribution systems. Part of the FLNR_ID series, this fuse incorporates an indicating feature that provides visual identification of a blown fuse, simplifying maintenance and troubleshooting. Its dual-element construction allows temporary inrush currents while delivering dependable overload and short-circuit protection.
Electrical Rating
- Current Rating: 300 Amps
- Maximum AC Voltage: 250 VAC
- Maximum DC Voltage: 125 VDC
- Interrupting Rating:
- 300 kA AC
- 20 kA DC
Key Specifications
- Manufacturer: Littelfuse
- Catalog Number: FLNR300ID
- Series: FLNR_ID
- Fuse Class: RK5
- Construction Type: Knife-Blade
- Fuse Type: Dual Element Time-Delay
- Indicating: Yes
Protection Characteristics
- Time-delay (slow-blow) operation
- Dual-element fuse construction
- Provides overload and short-circuit protection
- Accommodates temporary motor starting and transformer inrush currents
- High interrupting capacity for industrial power systems
Construction Features
- Knife-blade terminal design
- Visual blown-fuse indication feature
- Industrial-duty construction for demanding environments
- Designed for reliable operation in power distribution equipment
Mounting & Compatibility
- Mounting Method: Fuse Block / Clip / Holder
- Compatible with standard Class RK5 fuse holders and fuse blocks
- Suitable for industrial control panels, switchboards, and distribution equipment
Applications
- Motor branch circuit protection
- Transformer protection
- Commercial electrical distribution systems
- Industrial machinery and equipment
- Feeder and branch circuit protection
Product Data
- Manufacturer: Littelfuse
- Catalog Number: FLNR300ID
- Product Type: Indicating Time-Delay Fuse
- Series: FLNR_ID
- Fuse Class: RK5
- Type Fuses
- Vendor Littelfuse
- Brand Littelfuse
Returns are easy
You may return items within 30 days of delivery for a refund.
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