LRU2664R The Littelfuse LRU2664R is a Class R fuse reducer designed for industrial applications. It allows a 400A fuse to fit into 600A clips.
Mfr Part #:

LRU2664R

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse LRU2664R is a Class R fuse reducer designed for industrial applications. It allows a 400A fuse to fit into 600A clips.
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LRU2664R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Accessory Type
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Current Rating
Failure Rate
For Use With
Material
Voltage Rating

LRU2664R Description

Short technical summary and product information.

The Littelfuse LRU2664R is a POWR-GARD Fuse Reducer from the LRU series. This component is designed to allow smaller size fuses to be installed into existing fuse clips, preventing overfusing. It has a current rating of 400A and a voltage rating of 600V AC.

 

Constructed from copper alloy with silver brazed joints for maximum strength, this fuse reducer is suitable for industrial applications. It is compatible with FLNR_ID/FLSR_ID, IDSR, LLNRK/LLSRK, and KLNR/KLSR series fuses, as well as panel mount and quick connect terminals. The LRU2664R simplifies installation and reduces inventory requirements.

 

Standards compliance includes UL File No. E136855 and CSA LR92899. The RoHS status is RoHS3 Compliant, Moisture Sensitivity Level (MSL) is 1 Unlimited, and REACH Status is REACH Unaffected.

LRU2664R Quick Information

Product Type: Fuse Reducer
Series: LRU
Canonical Name: Littelfuse LRU2664R Fuse Reducer
Subcategory: Fuse Parts or Accessories

LRU2664R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LRU2664R Features

  • Allows 400A fuse to fit 600A clips.
  • Designed for industrial applications.
  • Copper alloy construction with silver brazed joints.
  • Compatible with multiple fuse series.
  • Simplifies installation and reduces inventory.

LRU2664R Applications

  • Used to prevent overfusing.
  • Suitable for industrial settings.
  • Works with panel mount terminals.
  • Compatible with quick connect terminals.

LRU2664R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse LRU2664R fuse reducer?

The Littelfuse LRU2664R fuse reducer has a current rating of 400A.

What is the voltage rating for the Littelfuse LRU2664R fuse reducer?

The voltage rating for the Littelfuse LRU2664R fuse reducer is 600V AC.

What class fuse does the LRU2664R reducer belong to?

The Littelfuse LRU2664R fuse reducer is Class R.

What materials is the Littelfuse LRU2664R fuse reducer made from?

The Littelfuse LRU2664R fuse reducer is made from copper alloy.

What fuse series are compatible with the LRU2664R fuse reducer?

The LRU2664R fuse reducer is compatible with FLNR_ID/FLSR_ID, IDSR, LLNRK/LLSRK, and KLNR/KLSR series fuses.

What are the RoHS and MSL statuses for the LRU2664R?

The RoHS status is RoHS3 Compliant and the Moisture Sensitivity Level (MSL) is 1 Unlimited.

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