Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 600 A - Fuse Reducers for Cylindrical Fuses
BUSSMANNFuse Reducers for Cylindrical Fuses

BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 600 A

SKU 3G-OTH-25454

Brand
BUSSMANN
Item
Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 600 A
Category
Fuse Reducers for Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BUSSMANN
Manufacturer Part Number
NO.2664-R
Type
For Fuse Clip Size 600 A, Min. Fuse Size 0 A
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Frequently Asked Questions

What is a BUSSMANN Class R reducer fuse used for?

A BUSSMANN Class R reducer fuse adapts a 600 A fuse clip to accept smaller fuses, starting from 0 A. It ensures proper fit and electrical continuity in industrial panels, motor control centers, and distribution equipment where fuse size reduction is needed.

What are the specifications of the BUSSMANN 2664-R fuse reducer?

The BUSSMANN 2664-R is a Class R reducer fuse designed for fuse clip size 600 A, with a minimum fuse size of 0 A. It is manufactured by BUSSMANN under part number NO.2664-R and is used to adapt larger clips for smaller cylindrical fuses.

Where to buy BUSSMANN 2664-R fuse reducers worldwide?

3G Electric supplies BUSSMANN 2664-R fuse reducers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class R reducer fuse for 600 A clips.

How to install a BUSSMANN Class R fuse reducer?

To install a BUSSMANN Class R fuse reducer, ensure power is off. Insert the reducer into the 600 A fuse clip, then place the smaller fuse into the reducer. Verify tight contact and proper alignment. Follow standard electrical safety practices and manufacturer guidelines.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses

BUSSMANN Products

3G Electric supplies BUSSMANN fuse reducers for cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 400 A, Min. Fuse Size 0 A (MPN NO.642-R). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 400 A, Min. Fuse Size 0 A (MPN NO.642-R). Key specifications — Brand: BUSSMANN.
BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 200 A, Min. Fuse Size 0 A (MPN NO.2621-R). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 200 A, Min. Fuse Size 0 A (MPN NO.2621-R). Key specifications — Brand: BUSSMANN.
BUSSMANN Fuse Reducer: Fits Fuse Class H/K, For Fuse Clip Size 100 A, Min. Fuse Size 0 A, 600 V AC (MPN NO.616). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse Reducer: Fits Fuse Class H/K, For Fuse Clip Size 100 A, Min. Fuse Size 0 A, 600 V AC (MPN NO.616). Key specifications — Brand: BUSSMANN.
BUSSMANN Fuse Reducer: Fits Fuse Class H/K, For Fuse Clip Size 60 A, Min. Fuse Size 0 A, 600 V AC (MPN NO.663). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse Reducer: Fits Fuse Class H/K, For Fuse Clip Size 60 A, Min. Fuse Size 0 A, 600 V AC (MPN NO.663). Key specifications — Brand: BUSSMANN.
BUSSMANN Fuse Reducer: Fits Fuse Class RK1/RK5, For Fuse Clip Size 100 A, Min. Fuse Size 0 A (MPN NO.616-R). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse Reducer: Fits Fuse Class RK1/RK5, For Fuse Clip Size 100 A, Min. Fuse Size 0 A (MPN NO.616-R). Key specifications — Brand: BUSSMANN.

More from BUSSMANN

View all BUSSMANN parts →
BUSSMANN Fuse Reducer: Fits Fuse Class RK1/RK5, For Fuse Clip Size 100 A, Min. Fuse Size 0 A (MPN NO.216-R). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse Reducer: Fits Fuse Class RK1/RK5, For Fuse Clip Size 100 A, Min. Fuse Size 0 A (MPN NO.216-R). Key specifications — Brand: BUSSMANN.
BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 400 A, Min. Fuse Size 0 A (MPN NO.2641-R). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 400 A, Min. Fuse Size 0 A (MPN NO.2641-R). Key specifications — Brand: BUSSMANN.
BUSSMANN Buss Fuse Reducer Class H: Fits Fuse Class H/K, For Fuse Clip Size 400 A, 250 V AC_600 V AC (MPN NO.2642). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Buss Fuse Reducer Class H: Fits Fuse Class H/K, For Fuse Clip Size 400 A, 250 V AC_600 V AC (MPN NO.2642). Key specifications — Brand: BUSSMANN.
BUSSMANN Fuse Reducer: Fits Fuse Class H/K, For Fuse Clip Size 100 A, Min. Fuse Size 0 A, 250 V AC (MPN NO.216). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse Reducer: Fits Fuse Class H/K, For Fuse Clip Size 100 A, Min. Fuse Size 0 A, 250 V AC (MPN NO.216). Key specifications — Brand: BUSSMANN.
BUSSMANN Fuse Reducer: Fits Fuse Class RK1/RK5, For Fuse Clip Size 60 A, Min. Fuse Size 0 A (MPN NO.663-R). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse Reducer: Fits Fuse Class RK1/RK5, For Fuse Clip Size 60 A, Min. Fuse Size 0 A (MPN NO.663-R). Key specifications — Brand: BUSSMANN.
BUSSMANN Fuse Reducer: Fits Fuse Class RK1/RK5, For Fuse Clip Size 200 A, Min. Fuse Size 0 A (MPN NO.626-R). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse Reducer: Fits Fuse Class RK1/RK5, For Fuse Clip Size 200 A, Min. Fuse Size 0 A (MPN NO.626-R). Key specifications — Brand: BUSSMANN.
BUSSMANN Fuse Reducer: Fits Fuse Class H/K, For Fuse Clip Size 60 A, Min. Fuse Size 0 A, 250 V AC (MPN NO.263). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse Reducer: Fits Fuse Class H/K, For Fuse Clip Size 60 A, Min. Fuse Size 0 A, 250 V AC (MPN NO.263). Key specifications — Brand: BUSSMANN.
BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 400 A, Min. Fuse Size 0 A (MPN NO.242-R). Key specifications — Brand: BUSSMANN.
BUSSMANN
BUSSMANN Buss Class R Reducer Fuse: Fits Fuse Class R, For Fuse Clip Size 400 A, Min. Fuse Size 0 A (MPN NO.242-R). Key specifications — Brand: BUSSMANN.