Why Choose the Mersen L1003891 BS88 Fuse-Link?
The Mersen L1003891 is a high-quality BS88 gU industrial fuse-link designed to provide dependable overcurrent and short-circuit protection in low voltage electrical distribution systems. Manufactured to IEC BS88 standards, this fuse is ideal for protecting cables, switchgear, distribution equipment and industrial power circuits operating at up to 415 V AC.
Identified by catalogue number BJU42V040PA, the L1003891 combines excellent fault-clearing performance with a compact ceramic construction, making it suitable for demanding industrial and commercial installations. Its high breaking capacity helps minimise equipment damage and improve electrical system safety during fault conditions.
Rated at 40 A, this BS88 fuse-link is widely used by panel builders, maintenance engineers and electrical contractors requiring reliable circuit protection for industrial control panels, feeder pillars and power distribution equipment.
Key Advantages
- Designed to IEC BS88 British Standard requirements.
- 40 A current rating for industrial circuit protection.
- 415 V AC rated voltage for low voltage distribution systems.
- 80 kA breaking capacity provides excellent fault protection.
- Ceramic body offers durability and dependable insulation.
- Suitable for industrial, commercial and infrastructure applications.
Key Features
- Mersen BS88 gU fuse-link.
- Manufacturer part number: L1003891.
- Catalogue number: BJU42V040PA.
- 40 A rated current.
- 415 V AC rated voltage.
- gU operating characteristic for general-purpose protection.
- 80 kA breaking capacity.
- 110 × 36 mm fuse size with blade terminals.
Reliable Protection for Industrial Power Distribution
BS88 fuse-links protect electrical circuits by safely interrupting excessive fault currents before they can damage cables, switchgear or connected equipment. The Mersen L1003891 delivers fast and reliable protection while maintaining excellent coordination with other protective devices in industrial electrical systems.
Its ceramic construction, high interrupting capacity and compliance with recognised international standards make it a dependable choice for electrical installations requiring long-term reliability and consistent fault protection.
Typical Applications
- Industrial control panels.
- Electrical distribution boards.
- Street lighting feeder pillars.
- Motor and transformer protection.
- Switchgear and power distribution equipment.
- Commercial and industrial electrical installations.
