Littelfuse

Littelfuse LLSRK225ID 225A Class RK1 Time-Delay Fuse – Knife-Blade – Indicating – 600VAC/300VDC

In stock
SKU: LLSRK225ID GTIN/UPC: 079458060676
$207.20
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The Littelfuse LLSRK225ID is a next-generation Class RK1 time-delay fuse designed for enhanced protection, reliability, and maintenance efficiency in modern electrical systems. Part of the LLSRK_ID series, it incorporates Indicator™ technology that provides instant visual confirmation of a blown fuse, helping reduce downtime and simplify troubleshooting. Its solid-state overload section and precision-formed short-circuit elements improve performance and reduce mechanical fatigue compared to traditional fuse designs.

Voltage and Rating

  • Current Rating: 225 Amps
  • Voltage Rating: 600 Volts AC
  • DC Voltage Rating: 300 Volts DC
  • Interrupting Rating: 200 kA AIR (up to 20 kA @ 300 VDC)

Key Specifications

  • Fuse Type: Time-Delay (Slo-Blo)
  • Fuse Class: Class RK1
  • Mounting Type: Knife-Blade
  • Series: LLSRK_ID
  • Indicating: Yes (Indicator™ window)
  • Application: Industrial power distribution, motor protection, and general circuit protection

Technical Specifications

  • Opening Characteristic: Time-Delay
  • Current Limiting: Yes
  • Interrupt Amperage: 200,000 Amps
  • Construction: Solid-state overload section (no moving parts)
  • Short-Circuit Protection: Precision formed elements for reduced equipment damage
  • Visual Indicator: Blown fuse indication window for quick fault identification

Product Data

  • Manufacturer: Littelfuse
  • Model Number: LLSRK225ID
  • Series: LLSRK_ID POWR-PRO® RK1

Features

  • Indicator™ technology for instant blown-fuse detection
  • Helps reduce downtime and maintenance effort
  • Superior time-delay and cycling performance reduces nuisance openings
  • Extremely current-limiting for equipment protection
  • Designed for broad application use to reduce inventory requirements
  • Ideal for modern industrial and commercial electrical systems
  • 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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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.