Littelfuse FLNR.250 Class RK5 Fuse – 0.25A – 250V Time-Delay Fuse

The Littelfuse FLNR.250 is a 0.25 Amp Class RK5 dual-element time-delay fuse designed for industrial and commercial electrical protection applications. Part of the FLNR series, this fuse provides dependable overload and short-circuit protection while allowing temporary inrush currents without nuisance opening. Its compact industrial cartridge construction makes it suitable for low-current control circuit and equipment protection applications.

Electrical Rating

• Current Rating: 0.25 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: FLNR.250
• Series: FLNR
• Fuse Class: RK5
• Construction Type: Industrial Cartridge
• Ampere Fraction: 1/4 Amp
• Fuse Type: Dual Element Time-Delay
• Indicating: No

Protection Characteristics

• Time-delay (slow-blow) operation
• Dual-element fuse design
• Provides overload and short-circuit protection
• Helps reduce nuisance fuse opening during temporary surges
• High interrupting capacity for industrial systems

Construction Features

• Industrial cartridge-style construction
• Non-indicating fuse configuration
• Durable design for commercial and industrial applications
• Compact low-current protection solution

Mounting & Compatibility

• Compatible with standard Class RK5 fuse holders and fuse blocks
• Suitable for industrial control panels and low-current circuits

Applications

• Industrial control circuits
• Low-current equipment protection
• Commercial electrical systems
• Control panel applications
• Auxiliary and branch circuit protection

Product Data

• Manufacturer: Littelfuse
• Catalog Number: FLNR.250
• Product Type: Time-Delay Fuse
• Series: FLNR
• Fuse Class: RK5

Returns are easy

You may return items within 30 days of delivery for a refund.

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