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LITTELFUSE LRU663 Fuse Reducer for Class H Clips, 60 A to 30 A - Fuse Reducers for Cylindrical Fuses
LITTELFUSEFuse Reducers for Cylindrical Fuses

LITTELFUSE LRU663 Fuse Reducer for Class H Clips, 60 A to 30 A

LITTELFUSE Fuse Reducers for Cylindrical Fuses.

SKU 3G-OTH-25457

Also listed as: LRU 663 · LRU-663

Brand
LITTELFUSE
Item
LRU663 Fuse Reducer for Class H Clips, 60 A to 30 A
Part Number
LRU663
Category
Fuse Reducers for Cylindrical Fuses
Available to Order
Also known as:LRU663LITTELFUSE
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
LRU663

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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

LITTELFUSE Fuse Reducers for Cylindrical Fuses.

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 LITTELFUSE
Industrial drives — Littelfuse PSR series semiconductor fuses for overcurrent protection of variable-frequency drives and DC bus circuits.
Branch circuit protection — Littelfuse CCMR series time-delay fuses in control panels and distribution boards.
Compact equipment — Littelfuse SLC series Class G fuses in rejection-style holders for space-constrained branch circuits.
Main service entrance — Littelfuse KLPC series Class L bolt-on fuses for high-current industrial power distribution.
Motor circuits — Littelfuse FLSR series Class RK5 time-delay fuses for motor branch circuits and transformers.
Power supplies — Littelfuse 473 series axial-lead time-delay fuses for solder-in protection in power supplies and instrumentation.
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LITTELFUSE 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.

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