Why Choose the Mersen R1003873 BS1361 House Service Fuse?
The Mersen R1003873, catalogue number BME42V55, is a dependable BS1361 gG house service fuse-link designed to protect low-voltage electrical distribution systems against overloads and short circuits. It is suitable for use in electricity service cut-outs, customer switchboards and compatible distribution equipment where reliable circuit protection is required.
As part of the Mersen BS1361 house service fuse range, the R1003873 features a full-range gG operating characteristic that provides protection against both sustained overload currents and high-level electrical faults. Its robust ceramic construction supports consistent performance in residential, commercial and light industrial power distribution installations.
Rated at 55 A and 415 V AC, the Mersen BME42V55 uses a compact 22 × 57 mm cylindrical format and provides a high 33 kA breaking capacity. This makes it suitable for installations requiring effective fault-current interruption in a space-efficient BS1361 fuse-link design.
Key Advantages
- Reliable BS1361 house service fuse-link for low-voltage distribution systems.
- 55 A current rating for service entrance and distribution applications.
- 415 V AC rated voltage for compatible electrical networks.
- High 33 kA breaking capacity for dependable fault-current interruption.
- Full-range gG characteristic for overload and short-circuit protection.
- Compact cylindrical construction for compatible BS1361 fuse carriers.
Key Features
- Mersen BME42V55 British Standard fuse-link.
- Item number: R1003873.
- 55 A rated current.
- 415 V AC rated voltage.
- 22 × 57 mm cylindrical fuse format.
- 33 kA AC breaking capacity.
- gG utilisation category.
- Suitable for compatible clip-mounted fuse carriers.
- Durable ceramic insulating body.
- Designed for incoming supply and distribution protection.
Reliable Protection for Electrical Distribution Systems
The Mersen R1003873 is designed to interrupt excessive electrical current before it can damage cables, switchgear or connected equipment. Its gG operating characteristic provides full-range protection, enabling the fuse-link to respond to both prolonged overload conditions and high-energy short circuits.
The compact BS1361 cylindrical format allows the fuse to be installed in compatible service cut-outs and fuse carriers. Its ceramic body provides effective thermal and electrical insulation, supporting reliable operation in demanding low-voltage distribution environments.
Typical Applications
- Electricity service cut-outs.
- Customer switchboards and incoming supply equipment.
- Residential electrical distribution systems.
- Commercial buildings and retail premises.
- Utility low-voltage distribution equipment.
- Industrial and commercial distribution panels.
