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BUSSMANN NO.2641-R Class R Fuse Reducer for 400 A Clips - Fuse Reducers for Cylindrical Fuses
BUSSMANNFuse Reducers for Cylindrical Fuses

BUSSMANN NO.2641-R Class R Fuse Reducer for 400 A Clips

The BUSSMANN Buss Class R Reducer Fuse (MPN NO.2641-R) is a fuse reducer for cylindrical fuses, designed to fit fuse class R with a fuse clip size of 400 A and a minimum fuse size of 0 A. This BUSSMANN component…

SKU 3G-OTH-25518

Also listed as: NO2641R · NO 2641 R · NO-2641-R

Brand
BUSSMANN
Item
NO.2641-R Class R Fuse Reducer for 400 A Clips
Part Number
NO.2641-R
Category
Fuse Reducers for Cylindrical Fuses
Available to Order
Also known as:NO.2641-RBUSSMANN
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BUSSMANN
Manufacturer Part Number
NO.2641-R
Type
For Fuse Clip Size 400 A, Min. Fuse Size 0 A

Technical Documents

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

Product Description

The BUSSMANN Buss Class R Reducer Fuse (MPN NO.2641-R) is a fuse reducer for cylindrical fuses, designed to fit fuse class R with a fuse clip size of 400 A and a minimum fuse size of 0 A. This BUSSMANN component enables the use of smaller fuses in larger fuse clips, supporting electrical system flexibility.

Frequently Asked Questions

What is the BUSSMANN Class R Reducer Fuse used for?

The BUSSMANN Class R Reducer Fuse (MPN NO.2641-R) adapts larger 400 A fuse clips to accept smaller Class R fuses, enabling flexible circuit protection in industrial panels and motor control centers without replacing the entire fuse block.

What are the specifications of the BUSSMANN NO.2641-R fuse reducer?

The BUSSMANN NO.2641-R is a Class R reducer designed for fuse clip size 400 A, with a minimum fuse size of 0 A. It is manufactured by BUSSMANN and allows installation of lower-rated Class R fuses into existing 400 A clips.

Where to buy the BUSSMANN NO.2641-R fuse reducer worldwide?

3G Electric supplies the BUSSMANN NO.2641-R fuse reducer worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the BUSSMANN Class R fuse reducer?

To install the BUSSMANN NO.2641-R reducer, first de-energize the circuit. Insert the reducer into the 400 A fuse clip, then place the smaller Class R fuse into the reducer. Ensure proper alignment and torque per manufacturer guidelines before re-energizing.

Used in

Common applications for BUSSMANN
Industrial drives — BUSSMANN FWC series fast-acting cylindrical fuses protect power semiconductors in AC/DC drive circuits.
Control transformers — BUSSMANN FNQ-R series time-delay fuses handle inrush currents in control power circuits.
Semiconductor protection — BUSSMANN KAC series bolt-on fuses safeguard diodes, thyristors, and IGBTs in AC-only applications.
Electrical panels — BUSSMANN FP-2, FP-3, FP-4, and FP-6 fuse pullers enable safe fuse replacement in distribution panels.
Automotive electrical systems — BUSSMANN FP-A3 fuse puller removes and installs 1/4 in and 1/2 in automotive fuses.
Power supplies — BUSSMANN FWC series fuses provide overcurrent protection in AC/DC power supply circuits.
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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.

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Fuse reducer designed to adapt smaller cylindrical fuses for use in larger fuse clips. Rated for 600 V AC and fits fuse clip size 100 A with a minimum fuse size of 0 A. Allows installation of a lower-rated fuse in an existing clip without replacing the fuse block, commonly used in industrial control panels and distribution boards

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