BUSSMANN NO.642-R Class R Fuse Reducer for 400 A Clip
The BUSSMANN Buss Class R Reducer Fuse (MPN NO.642-R) is a fuse reducer for cylindrical fuses, designed for fuse clip size 400 A with a minimum fuse size of 0 A. This Class R reducer enables the use of smaller fuses…
SKU 3G-OTH-25547
Also listed as: NO642R · NO 642 R · NO-642-R
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
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Product Description
The BUSSMANN Buss Class R Reducer Fuse (MPN NO.642-R) is a fuse reducer for cylindrical fuses, designed for fuse clip size 400 A with a minimum fuse size of 0 A. This Class R reducer enables the use of smaller fuses in larger fuse clips, supporting flexible circuit protection configurations across industrial electrical systems.
Frequently Asked Questions
What is a BUSSMANN Class R reducer fuse used for?
A BUSSMANN Class R reducer fuse adapts a larger fuse clip to accept a smaller Class R fuse, ensuring proper fit and electrical protection. It is commonly used in industrial panels and motor control centers where fuse size changes are needed without replacing the entire fuse holder.
What are the specifications of the BUSSMANN NO.642-R fuse reducer?
The BUSSMANN NO.642-R is a Class R fuse reducer designed for fuse clip size 400 A, with a minimum fuse size of 0 A. It is manufactured by BUSSMANN and is used to reduce the clip opening for smaller Class R fuses in industrial electrical systems.
Where to buy BUSSMANN NO.642-R fuse reducers worldwide?
You can source BUSSMANN NO.642-R fuse reducers through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your maintenance or project needs.
How to install a BUSSMANN Class R fuse reducer?
To install a BUSSMANN Class R fuse reducer, first de-energize the circuit. Slide the reducer into the existing 400 A fuse clip, ensuring it seats firmly. Then insert the smaller Class R fuse into the reducer. Always follow manufacturer guidelines and local electrical codes for safe installation.
Used in
Common applications for BUSSMANNBUSSMANN 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.
