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** Picture is for identification purposes only and may not represent the actual amperage of the product listed **

FLNR600-ID - 600 Amp Fuse

  • 600 Amp
  • 200 kA @ 250 V.AC Volts AC

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FLNR600-ID - 600 Amp Fuse Description

FLNR600-ID - 600 Amp Fuse

When you need a 600-amp Class RK5 fuse for a demanding electrical application, the FLNR600-ID delivers the protection you need along with a useful indicating feature that can make troubleshooting easier. This dual-element, time-delay fuse is rated for 600A, 250VAC, and 125VDC and uses a knife-blade configuration for installation in a compatible fuse block, clip, or holder. Its Slo-Blo/time-delay operation allows the fuse to handle normal, short-duration current surges while still providing overcurrent protection within its specified ratings.

Key Features and Benefits

  • 600A continuous current rating for high-current electrical circuits.
  • Class RK5, dual-element design provides time-delay overcurrent protection.
  • 250VAC and 125VDC maximum voltage ratings give the fuse flexibility across compatible AC and DC applications.
  • The indicating feature helps make an open fuse easier to spot during troubleshooting.
  • Slo-Blo/time-delay operation accommodates normal temporary current surges and inrush conditions.
  • Knife-blade construction fits compatible fuse blocks, clips, and holders.
  • Designed for use with the LFR25600 Series holder family.

Technical Specifications

  • Catalog Number: FLNR600-ID / FLNR600ID
  • Series: FLNR_ID
  • Fuse Class: Class RK5
  • Fuse Type: Dual Element
  • Current Rating: 600A
  • Maximum AC Voltage: 250VAC
  • Maximum DC Voltage: 125VDC
  • Interrupting Rating: 300 kA AC; 20 kA DC
  • Opening Characteristic: Slo-Blo / Time Lag / Time Delay
  • Construction: Knife-Blade
  • Indicating: Yes
  • Mounting Method: Fuse Block / Clip / Holder
  • Compatible Holder Family: LFR25600 Series

Material Compliance and Certifications

The FLNR600-ID is specified as a Class RK5 fuse. The product information provided does not list individual material compliance declarations or specific certification details beyond its fuse class designation. If your installation requires a particular agency approval, environmental compliance standard, or material declaration, confirm those requirements against the documentation for the exact FLNR600ID catalog number.

Where It Works Best

The FLNR600-ID 600A fuse is suitable for commercial and industrial electrical systems that require Class RK5 time-delay protection. Because it uses a dual-element, time-delay design, it's particularly useful in applications where temporary inrush currents are part of normal operation and an immediate-opening fuse may not be appropriate.

It can be a good fit for motor circuits, transformers, industrial machinery, power distribution equipment, and other high-current electrical systems, provided the equipment specifications match the fuse's ratings. The indicating feature is another plus in facilities where maintenance teams need to locate an open fuse and quickly get equipment troubleshooting underway.


Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Littelfuse® is a registered trademark of Littelfuse, Inc. Products sold are surplus, used, or refurbished and are NOT supplied by Littelfuse, Inc. or its affiliates.

Specifications

  • Width:2.54
  • Depth:2.54
  • Height:10.38
  • Amperes:600
  • A.I.C. Rating & Volts:200 kA @ 250 V.AC
  • Type:FLNR
  • Additional Notes:Knife-blade Style, Indicating, Time-Delay, current-limiting Class R Fuse

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

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