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UL Class Fuse, RK1 Class, Time-Delay, 400A, 600V AC, Non-Indicating MPN:LSRK400

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Brand: Littelfuse
Part #: LSRK400
UPC: 079458350937
SKU
510-G1936153
Regular Price $587.99 Special Price $419.99

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UL Class Fuse, RK1 Class, Time-Delay, 400A, 600V AC, Non-Indicating

Protect your electrical systems with Littelfuse's UL Class Fuse, RK1 Class, Time-Delay, 400A, 600V AC, Non-Indicating fuse. Designed for high-voltage applications, this fuse provides reliable overcurrent protection and meets the requirements for Class RK1 equipment. Its time-delay feature prevents nuisance tripping and ensures consistent performance. Suitable for use in a variety of settings, including industrial, commercial, and utility applications, this fuse is ideal for protecting circuit breakers, motor control centers, and other critical equipment. With its robust design and long lifespan, this fuse offers peace of mind and reduced downtime for your operations.

Top product features:

  • Time-Delay feature provides protection against voltage surges and spikes
  • Interrupt Rating of 200kA at 600V AC and 20kA at 300V DC ensures reliable circuit protection
  • Non-Indicating design indicates a blown fuse only when it has failed, preventing false alarms

Top product applications:

  • Overcurrent protection for industrial equipment and machinery
  • Protection of electrical panels and distribution boards
  • Protection of motors and generators in industrial applications
Fuse, 400 A, 600 V AC, 300 V DC, Class RK1, LSRK Series, Non-Indicating, Time-Delay, Body Style Blade, Fits Fuse Block Style Rejection, Interrupt Rating 200kA at 600V AC, 20kA at 300V DC, Fuse Size 11-5/8 in L x 2-19/32 in dia, Length 11 5/8 in, Diameter 2 19/32 in, Equivalent Brand and Series Bussmann LPS-RK, Edison LESRK, Littelfuse LLSRK, Mersen A6D-R, Equivalent Series A6D-R, LESRK, LLSRK, LPS-RK, Compatible Fuse Block Series LFR, Body Material Melamine, Dual Element

Additional Information

  • Country of Origin: MX
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 25 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 12.00
  • Package Width: 3.30
  • Package Height: 3.30
  • Package Weight: 3.54
  • California Prop 65 Warning: WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Product info last updated on January 15, 2026 12:20am UTC Category: Fuses and Accessories
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In stock