Littelfuse LLNRK040 Time Delay Fuse
Littelfuse LLNRK040 Time Delay Fuse

Littelfuse LLNRK040 Time Delay Fuse

13/16" x 3", 250 VAC/125 VDC, 40 A, 200 kA Symmetrical AC, 300 kA Symmetrical/Self-Certified, 20 kA DC, Ferrule Terminal, Dual Element, Non-Indicating, Class RK1, Time Delay Fuse
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MPN: LLNRK040
UPC: 079458330755
Weight: 0.15 LBS
Minimum Purchase: 1 unit
Disclaimer: Critical Surplus is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by Critical Surplus are covered under Critical Surplus' warranty and not the manufacturer warranty.

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Description

Genuine LLNRK040 surplus parts. Sourced from verified OEM and distributor channels, fully inspected for authentic quality and dependability.

Critical Surplus specializes in responsibly sourced OEM surplus parts, giving contractors and facilities access to hard-to-find parts without compromising safety or performance. Every item we stock is from verified supply-chain partners — never counterfeit, never untested — and each part is inspected, cataloged, and stored in a controlled environment to preserve its integrity. With transparent condition grading and fast fulfillment, you get dependable equipment very quickly and at a fraction of regular distributor pricing.

Key Features & Benefits

  • Trusted OEM quality: LLNRK040
  • Compatible with:
  • Standards & Approvals: UL 248-12, CSA, QPL-WF-1814, CE
  • Surplus value: Authentic OEM surplus at lower cost.
  • Ready to ship: In-Stock and ideal for replacements and emergency service calls.

Technical Specifications

Manufacturer
Catalog Number LLNRK040
Series LLNRK
Data Sheet Littelfuse_00244_1-3_DATA.pdf
Interrupting Rating 200000 A (Symmetrical), 300000 A (Symmetrical, Self-Certified), 20000 A (DC)
Characteristics Dual Element, Time Delay
Current Rating 40 A
Terminal Type Ferrule
Type Class RK1
Catalog Littelfuse_00189_2_4_14-16_20_CAT.pdf
Voltage Rating 250 VAC/125 VDC
Interrupt Rating 200/300/20 kA
Diameter 13/16
Length 3
Country of Origin Mexico
Approval UL 248-12, CSA, QPL-WF-1814, CE

Condition & Warranty

This LLNRK040 is offered as surplus sourced from verified distribution channels channels. Units may arrive in non-retail packaging and may show minor storage-related cosmetic handling. 90-day limited replacement warranty included.

Shipping & Handling

Most orders ship within 1 business day with immediate tracking updates. Expedited shipping and freight support available. Choose Next Day Air at checkout or contact us for more information.

Why Buy from Critical Surplus?

  • Circular economy model: Responsible surplus sourcing.
  • Industrial-grade inventory: OEM components only.
  • Technical support: Help with compatibility and spec verification.
  • Bulk options: Multi-unit and pallet pricing available.

Ready to Order?

Secure your LLNRK040 today — add to cart or contact us for bulk pricing.

Littelfuse LLNRK040 Time Delay Fuse

Littelfuse LLNRK040 Time Delay Fuse

$11.21

Littelfuse LLNRK040 Time Delay Fuse

$11.21
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