Mersen / Ferraz Shawmut Fuse Supplier

Apexon Solutions LLC supplies and sources Mersen and Ferraz Shawmut fuses for global B2B industrial customers, including semiconductor fuses, high-speed fuses, Protistor fuses, Amp-Trap fuses, PSC square body fuses, cylindrical fuses, NH fuse links, legacy Ferraz Shawmut models, obsolete fuse models, and replacement fuse requirements.

Mersen and Ferraz Shawmut fuse products are widely used in industrial electrical protection, power electronics, semiconductor protection, drives, inverters, UPS systems, rectifiers, renewable energy equipment, automation panels, machinery maintenance, and MRO replacement applications.

We support RFQ handling, obsolete part sourcing, replacement matching, technical review, pre-shipment verification, and international delivery coordination for procurement teams, maintenance departments, distributors, and industrial end users.

Mersen and Ferraz Shawmut Fuse Sourcing

Many industrial buyers search for both Mersen and Ferraz Shawmut part numbers because the two names are closely associated across many fuse product lines. Some installed equipment, manuals, panel drawings, maintenance records, and old stock labels may still reference Ferraz Shawmut, while newer purchasing channels may reference Mersen.

Apexon Solutions LLC helps customers review Mersen and Ferraz Shawmut part numbers, old labels, datasheets, fuse body markings, equipment documentation, and replacement requirements before quotation or sourcing confirmation.

Customers may contact us with either a Mersen part number, a Ferraz Shawmut part number, a legacy catalog number, or a photo of the existing fuse label. We can help check available sourcing options, replacement possibilities, and technical matching requirements where possible.

Product Types We Help Source

Mersen semiconductor fuses
Ferraz Shawmut semiconductor fuses
High-speed fuses for power electronics
Protistor fuses
Amp-Trap fuses
PSC square body fuses
URD, URG, URQ, URS, and URB series fuses
aR, gR, gG, and gPV protection fuses
Cylindrical fuses
Square body fuses
NH fuse links and knife-blade fuses
Ferrule fuses
DIN fuse links
Fuse bases, fuse holders, and fuse accessories
Obsolete, discontinued, and hard-to-find fuse models

Typical Applications

Mersen and Ferraz Shawmut fuses are used in many industrial and power electronic systems where correct circuit protection and semiconductor protection are critical.

Variable frequency drives
Industrial inverters
UPS systems
Rectifiers
Soft starters
Power conversion systems
Renewable energy equipment
Battery systems and DC power systems
Semiconductor modules and IGBT protection
Industrial control panels
Motor control centers
Machinery maintenance and repair
Industrial MRO spare parts programs

Semiconductor and High-Speed Fuse Selection

High-speed fuses for semiconductor protection require careful selection. Matching only the rated current is usually not enough. Buyers should also review rated voltage, AC or DC application, utilization category, breaking capacity, fuse body size, mounting style, I²t value, power loss, coordination with the protected semiconductor device, and equipment requirements.

For applications involving drives, rectifiers, inverters, UPS systems, power modules, or renewable energy equipment, we recommend providing the full part number, datasheet, old fuse label photo, equipment model, and application details before replacement approval.

Legacy Ferraz Shawmut and Mersen Part Numbers

Many Ferraz Shawmut fuses remain installed in industrial equipment worldwide. In replacement projects, buyers may find old Ferraz Shawmut references on the fuse body, maintenance records, equipment drawings, panel labels, or spare parts lists.

Apexon Solutions LLC can help review these legacy references and check whether the same model, remaining stock, a current Mersen reference, or a technically suitable replacement option may be available.

Because fuse replacement can affect equipment protection and safety, final approval of any substitute or alternative model should be made by the customer, end user, engineer, or qualified technical personnel before installation.

Replacement and Cross-Reference Support

If the original Mersen or Ferraz Shawmut fuse is unavailable, discontinued, or difficult to source locally, Apexon may help review possible replacement or equivalent options based on available technical information.

Replacement review may include:

Brand and part number
Rated current
Rated voltage
AC or DC application
Fuse class or utilization category
aR, gR, gG, gPV, or other protection type
Breaking capacity
I²t value
Body size and physical dimensions
Mounting style and terminal type
Equipment application and protection requirements

For cross-reference requests, please provide photos of the old fuse label and any available equipment documentation. A partial part number may not be enough for accurate replacement review.

Obsolete and Hard-to-Find Fuse Models

Many Mersen and Ferraz Shawmut fuse models remain in service long after the original series becomes difficult to obtain through standard distribution channels. Apexon Solutions LLC supports sourcing review for obsolete, discontinued, long lead-time, and limited-availability fuse models.

For older models, packaging, label style, production batch, country of origin, and available quantity may vary depending on market stock. Customers may request product photos, label photos, packaging photos, and additional confirmation before shipment where available.

Key Technical Information for RFQ

To help us quote accurately, please provide as much of the following information as possible:

Brand: Mersen, Ferraz Shawmut, or other marked brand
Full part number or catalog number
Required quantity
Rated current
Rated voltage
AC or DC application
Fuse type: semiconductor fuse, high-speed fuse, NH fuse, cylindrical fuse, square body fuse, ferrule fuse, or other
Application: drive, inverter, UPS, rectifier, battery system, panel protection, machinery, or other
Photos of the old fuse, label, terminal, or packaging
Delivery country and preferred shipping method
Any required datasheet, certificate, origin document, or pre-shipment photo request

Related Mersen and Ferraz Shawmut Collections

You may also browse our related product collections:

Related Technical Guides

The following technical articles may help customers better understand Mersen and Ferraz Shawmut fuse selection, semiconductor protection, voltage ranges, and high-speed fuse applications:

Selected Mersen and Ferraz Shawmut Products

Below are selected Mersen and Ferraz Shawmut fuse products available through Apexon Solutions LLC. For current availability, lead time, quantity pricing, or replacement sourcing support, please contact us with the part number and required quantity.

View more products in the full Mersen collection and Ferraz Shawmut collection.

Request a Quote

For Mersen fuse, Ferraz Shawmut fuse, Protistor fuse, Amp-Trap fuse, PSC square body fuse, semiconductor fuse, high-speed fuse, NH fuse, cylindrical fuse, or obsolete fuse sourcing requests, please contact Apexon Solutions LLC.

Email: [email protected]

Phone & WhatsApp: +1 (978) 558-0001

Please include the brand, full part number, rated current, rated voltage, required quantity, delivery country, and any available datasheet or photos.

Independent Supplier Notice

Apexon Solutions LLC is an independent supplier and sourcing company. Brand names, trademarks, logos, model numbers, and part numbers are used for identification and procurement reference only.

Apexon Solutions LLC is not an authorized distributor, official representative, affiliate, or agent of every brand listed on this website unless explicitly stated in writing.