Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE BJU42V250SB BJU42V250SB
Robust BS88 gU Type fuse-link (130x42mm, 415VAC, 250A) designed for reliable industrial circuit protection with high breaking capacity and excellent thermal stability.
£50.36
Why Choose the Mersen E1003931 BJU42V250SB BS88 Feeder Pillar Fuse?
The Mersen E1003931 (BJU42V250SB) is a high performance BS88 gU feeder pillar fuse link engineered to provide reliable protection for street lighting networks and low voltage electrical distribution systems. Manufactured by Mersen, this industrial fuse delivers dependable overload and short-circuit protection while offering excellent current limiting performance for utility and infrastructure applications.
Designed in accordance with BS88 and IEC 60269, the BJU42V250SB is specifically intended for feeder pillar installations where rapid fault clearance and dependable coordination are essential. Mersen fuse technology helps improve network safety by providing fast isolation of faulted circuits while maintaining reliable service continuity.
With a 250 A current rating, 415 V AC operating voltage and gU utilisation category, the E1003931 is ideal for feeder pillars, public lighting installations and industrial power distribution systems requiring dependable circuit protection.
Key Advantages
- High performance BS88 feeder pillar fuse link.
- 250 A rated current for industrial and utility applications.
- 415 V AC operating voltage.
- Excellent current limiting performance for overload and short-circuit protection.
- Manufactured to BS88 and IEC 60269 standards.
- Ideal for feeder pillars, street lighting and power distribution systems.
Key Features
- Mersen BJU Series.
- Catalogue number: BJU42V250SB.
- 250 A rated current.
- 415 V AC rated voltage.
- gU utilisation category.
- 80 kA breaking capacity.
- Ceramic fuse body for dependable long-term performance.
- Designed for feeder pillar and electrical distribution applications.
Reliable Protection for Utility and Distribution Networks
The Mersen E1003931 rapidly interrupts overload and fault currents, helping protect feeder pillar equipment, distribution cables and associated electrical infrastructure. Its current limiting characteristics reduce thermal and mechanical stress during fault conditions, improving overall system reliability.
Specified by utility companies, electrical contractors and infrastructure engineers, the BJU series provides dependable protection for public lighting systems and low voltage distribution networks operating in demanding environments.
Typical Applications
- Street lighting feeder pillars.
- Public infrastructure electrical networks.
- Low voltage power distribution systems.
- Utility distribution equipment.
- Industrial electrical installations.
- Commercial power distribution panels.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | E1003931 | |
| Catalogue No | BJU42V250SB | |
| Description | British Standard fuse-link IEC BS88 gU Type 130x42 415VAC 250A | |
| EAN/UPC Code | 3605340478358 | |
| Rated voltage AC IEC | 415 V | |
| Ampere Rating | 250 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gG | |
| Fuse Size | 130x42 | |
| 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 | 130.5 mm | |
| Product Height | 41 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.948 kg | |
| Sell Pack Width | 140 mm | |
| Sell Pack Length | 140 mm | |
| Sell Pack Height | 55 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.316 kg | |
| Power Dissipation at Rated Current Value | 20 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen E1003931 used for?
The E1003931 provides overload and short-circuit protection for feeder pillars, street lighting networks and low voltage electrical distribution systems.
What is the current rating of this fuse?
This fuse has a 250 A rated current.
What voltage is the E1003931 designed for?
The fuse is rated for operation on systems up to 415 V AC.
What is the breaking capacity?
The E1003931 has a rated breaking capacity of 80 kA AC, providing dependable interruption of high fault currents.
Where is this fuse typically installed?
It is commonly installed in feeder pillars, street lighting distribution equipment and low voltage electrical distribution systems.
Trusted by Utility and Electrical Professionals
Mersen BS88 feeder pillar fuse links are trusted by utilities, electrical engineers and infrastructure contractors for delivering reliable fault protection, high breaking capacity and dependable long-term performance.
