MERSEN FUSE BJU42V250PB BJU42V250PB

MERSEN FUSE BJU42V250PB BJU42V250PB

The BS88 gU Type 110×42 415VAC 250A BJU42V250PB fuse-link offers reliable circuit protection for low voltage electrical systems with a compact design and compliance to IEC standards.

SKU: W1003923Alt SKU: BJU42V250PBMPN: W1003923
Price
List Price £39.13 ex VAT
Your Price (ex VAT)
£39.13
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Manufacturer Lead Time

Sold in packs of 3

£39.13

Why Choose the Mersen W1003923 Industrial Fuse Component?

The Mersen W1003923 is a specialist industrial fuse or fuse-system component intended for use in compatible electrical protection and power distribution equipment. Identified by the exact manufacturer reference W1003923, it is suitable for maintenance engineers, panel builders and electrical contractors seeking a correctly matched Mersen replacement component.

Accurate fuse selection is essential for maintaining circuit protection, equipment compatibility and electrical safety. Products with a similar physical appearance may have different current ratings, voltage ratings, utilisation categories, breaking capacities or connection arrangements. The complete Mersen reference should therefore be checked against the original component and the equipment manufacturer's documentation.

The Mersen W1003923 is suitable for planned maintenance, equipment refurbishment and spare-parts applications where this exact part number is specified. Its electrical ratings, dimensions and installation requirements should be confirmed using the applicable Mersen datasheet or product markings before ordering or fitting.

Key Advantages

  • Genuine Mersen industrial electrical protection component.
  • Clearly identified by manufacturer reference W1003923.
  • Suitable for professional maintenance and replacement applications.
  • Supports accurate component identification and procurement.
  • Designed for use with compatible fuse and distribution equipment.
  • Suitable for servicing, refurbishment and critical spares inventories.

Key Features

  • Mersen industrial fuse-system product.
  • Manufacturer part number: W1003923.
  • Application-specific electrical protection component.
  • Suitable for compatible industrial electrical equipment.
  • Designed to support dependable circuit protection.
  • Suitable for engineers, contractors and panel builders.
  • Exact reference assists with replacement-part verification.
  • Professional rating verification and installation recommended.

Accurate Component Selection for Reliable Protection

Industrial fuse products protect electrical installations by interrupting excessive current before cables, switchgear or connected equipment sustain serious damage. Selecting a component with the correct current rating, voltage rating, operating characteristic and fault-breaking capacity is essential for safe and effective protection.

Before installing the Mersen W1003923, compare the complete product reference and technical specifications with the existing component, approved bill of materials or equipment manual. Installation should only be completed after the circuit has been safely isolated and verified by a suitably qualified electrical professional.

Typical Applications

  • Industrial electrical distribution equipment.
  • Switchgear and control-panel maintenance.
  • Fuse-system servicing and refurbishment.
  • Machinery electrical protection systems.
  • Replacement of worn or damaged fuse components.
  • OEM and industrial spare-parts inventories.

Technical Specifications

Item number W1003923
Catalogue No BJU42V250PB
Description British Standard fuse-link IEC BS88 gU Type 110x42 415VAC 250A
EAN/UPC Code 3605340478310
Rated voltage AC IEC 415 V
Ampere Rating 250 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic gG
Fuse Size 110x42
Mounting Clip
Clearing I2t At Rated Voltage 270000 A²s
Melting I2t 60000 A²s
AC Max I.R./Breaking Capacity I1: 80 kA
Connection/Terminal Material Copper
Connection/Terminal Type Blade
Product Diameter 41.9 mm
Product Length 110.5 mm
Product Height 31 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 0.732 kg
Sell Pack Width 145 mm
Sell Pack Length 140 mm
Sell Pack Height 53 mm
Product group Low Voltage IEC Fuses
Body/Insulating Material Ceramic
Product Weight 0.244 kg
Power Dissipation at Rated Current Value 20 W
HS Code 85361090
Country of Manufacture India
Fuse Class gG
Voltage 415 V

Frequently Asked Questions

What is the Mersen W1003923?

The Mersen W1003923 is an application-specific industrial fuse or fuse-system component identified by the manufacturer part number W1003923.

How can I confirm that the W1003923 is compatible?

Compare the complete part number and all electrical specifications with the original component, equipment manual, approved bill of materials or official Mersen documentation.

What current and voltage ratings does this product have?

The exact current and voltage ratings should be verified from the component markings or applicable Mersen datasheet before installation.

Can the W1003923 be replaced with a visually similar component?

No. A suitable replacement must match the required electrical ratings, operating characteristic, dimensions and connection arrangement, rather than physical appearance alone.

Who should install the Mersen W1003923?

Installation should be carried out by a suitably qualified electrical professional familiar with the equipment and the applicable isolation and safety procedures.

Trusted for Industrial Electrical Protection

Mersen electrical protection products are specified by engineers, equipment manufacturers and maintenance professionals to support reliable fault interruption and safe operation across industrial power systems.

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 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

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Stock lines ready to ship

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Customers supported

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At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

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