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MERSEN FUSE BJU42V050SA BJU42V050SA
Engineered to IEC BS88 standards, the BJU42V050SA fuse-link delivers reliable circuit protection for industrial and commercial applications, rated at 50A and 415VAC. Its robust 130x36mm cylindrical design ensures consistent performance and secure fit within standard fuse holders.
£42.37
Why Choose the Mersen Z1003903 BS88 Fuse-Link?
The Mersen Z1003903 is a high-performance British Standard IEC BS88 industrial fuse-link designed to provide dependable overload and short-circuit protection for low voltage electrical distribution systems. Part of Mersen’s feeder pillar fuse range, it is suitable for street lighting networks, switchgear, distribution boards and industrial power circuits operating at up to 415 V AC.
Also identified by catalogue number BJU42V050SA, this fuse-link features a robust ceramic body and blade terminals with a 92 mm fixing centre. Its durable construction supports reliable performance in demanding commercial, municipal and industrial electrical installations.
With a rated current of 50 A and a general-purpose full-range operating characteristic, the Mersen Z1003903 protects cables and connected equipment against sustained overloads and short-circuit faults. Its 80 kA breaking capacity enables safe interruption of substantial prospective fault currents.
Key Advantages
- Manufactured as a British Standard IEC BS88 fuse-link.
- 50 A current rating for low voltage feeder circuits.
- 415 V AC rated voltage.
- 80 kA breaking capacity for dependable fault interruption.
- 92 mm fixing centre for compatible fuse carriers.
- Suitable for feeder pillars, switchgear and distribution equipment.
Key Features
- Mersen BS88 feeder pillar fuse-link.
- Manufacturer part number: Z1003903.
- Catalogue number: BJU42V050SA.
- 50 A rated current.
- 415 V AC rated voltage.
- General-purpose full-range protection characteristic.
- 80 kA rated breaking capacity.
- Ceramic body with blade terminals.
Reliable Protection for Low Voltage Distribution Circuits
BS88 fuse-links protect electrical installations by disconnecting circuits when current exceeds safe operating levels. During an overload or short-circuit condition, the fuse element interrupts the fault before excessive heat or electrical energy can damage cables, switchgear or connected equipment.
The Mersen Z1003903 provides dependable full-range protection for feeder and distribution circuits. Its ceramic construction, high breaking capacity and standardised blade-terminal arrangement make it suitable for installations where reliable fault isolation and long-term electrical safety are essential.
Typical Applications
- Street lighting feeder pillars.
- Industrial electrical distribution boards.
- Low voltage switchgear assemblies.
- Cable and feeder circuit protection.
- Commercial power distribution systems.
- Municipal and infrastructure electrical installations.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | Z1003903 | |
| Catalogue No | BJU42V050SA | |
| Description | British Standard fuse-link IEC BS88 gU Type 130x36 415VAC 50A | |
| EAN/UPC Code | 3605340479249 | |
| Rated voltage AC IEC | 415 V | |
| Ampere Rating | 50 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gG | |
| Fuse Size | 130x36 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 11700 A²s | |
| Melting I2t | 2600 A²s | |
| AC Max I.R./Breaking Capacity | I1: 80 kA | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | Blade | |
| Product Diameter | 36.1 mm | |
| Product Length | 130.5 mm | |
| Product Height | 41 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.843 kg | |
| Sell Pack Width | 180 mm | |
| Sell Pack Length | 140 mm | |
| Sell Pack Height | 65 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.281 kg | |
| Power Dissipation at Rated Current Value | 4.8 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen Z1003903 used for?
The Mersen Z1003903 provides overload and short-circuit protection for low voltage feeder circuits, distribution boards, switchgear and electrical infrastructure.
What is the current rating of the Mersen Z1003903?
This British Standard IEC BS88 fuse-link has a rated current of 50 A.
What voltage is the Z1003903 rated for?
The fuse-link is designed for electrical systems operating at up to 415 V AC.
What breaking capacity does this fuse provide?
The Mersen Z1003903 provides an 80 kA AC breaking capacity for safe interruption of high prospective fault currents.
What is the fixing centre of the Z1003903?
The Mersen Z1003903 has a 92 mm fixing centre for installation in compatible feeder pillar fuse carriers.
Trusted for Industrial Circuit Protection
Mersen BS88 feeder pillar fuse-links are specified by electrical engineers, utilities and maintenance professionals to provide dependable cable protection, effective fault isolation and reliable operation across low voltage distribution systems.
