LITTELFUSE: Fits Fuse Class H, For Fuse Clip Size 60 A
SKU 3G-OTH-25457
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a Littelfuse LRU663 fuse reducer used for?
The Littelfuse LRU663 fuse reducer adapts Class H fuse clips rated for 60 A to accept smaller 30 A fuses. It ensures proper electrical fit and safety in industrial panels, motor control centers, and distribution equipment where fuse size reduction is needed.
What are the specifications of the Littelfuse LRU663?
The Littelfuse LRU663 is a fuse reducer for Class H fuse clips. It fits clips rated for 60 A and accepts minimum fuse size 30 A. The manufacturer part number is LRU663. It is designed for cylindrical fuses in industrial power distribution applications.
Where to buy Littelfuse LRU663 fuse reducers worldwide?
3G Electric supplies the Littelfuse LRU663 fuse reducer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class H fuse reducer for 60 A clips.
How to select the correct Littelfuse fuse reducer for your panel?
To select the correct Littelfuse fuse reducer, match the fuse class (e.g., Class H), the clip amperage rating (60 A), and the minimum fuse size you need (30 A for LRU663). Verify the fuse type (cylindrical) and ensure the reducer fits your existing fuse holder or clip.
Used in
Common applications for LITTELFUSELITTELFUSE Products
3G Electric supplies LITTELFUSE fuse reducers for cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









