Why Choose the Mersen X1003878 BS1361 House Service Fuse?
The Mersen X1003878, catalogue number BMF42V050, is a high-quality BS1361 gG house service fuse-link designed to provide dependable overload and short-circuit protection for low-voltage electrical distribution systems. Manufactured in accordance with the BS1361 standard, this fuse is suitable for electricity service cut-outs, customer switchboards, electricity control units and commercial distribution equipment.
As part of the trusted Mersen BS1361 House Service Fuse range, the X1003878 combines a robust ceramic body with a full-range gG operating characteristic, providing reliable protection against overloads and high prospective fault currents. Its cylindrical construction enables straightforward installation into compatible BS1361 fuse carriers while delivering long service life and dependable performance.
Rated at 50 A and 415 V AC, the BMF42V050 features a 30 × 57 mm format with a high 33 kA breaking capacity, making it ideal for residential, commercial and light industrial electrical distribution applications requiring reliable circuit protection.
Key Advantages
- Premium BS1361 gG house service fuse-link.
- 50 A current rating for low-voltage distribution systems.
- 415 V AC rated voltage for utility and commercial installations.
- 33 kA breaking capacity for dependable fault-current interruption.
- Full-range gG operating characteristic for overload and short-circuit protection.
- Compact 30 × 57 mm cylindrical construction.
Key Features
- Mersen BMF42V050 BS1361 fuse-link.
- Item number: X1003878.
- 50 A rated current.
- 415 V AC rated voltage.
- 30 × 57 mm fuse dimensions.
- 33 kA AC breaking capacity.
- gG utilisation category.
- Clip-mounted installation.
- Ceramic insulating body.
- RoHS compliant.
Reliable Protection for Electrical Distribution Systems
The Mersen X1003878 is engineered to disconnect electrical circuits safely during overload and fault conditions, protecting incoming supplies, switchboards and connected equipment. Its gG operating characteristic provides comprehensive protection against overloads and short circuits across a wide range of low-voltage applications.
Its BS1361 cylindrical design allows straightforward installation into compatible service cut-outs and fuse carriers used by utilities, electrical contractors and panel builders seeking dependable long-term circuit protection.
Typical Applications
- Electricity service cut-outs.
- Customer switchboards.
- Residential electrical distribution.
- Commercial buildings and offices.
- Utility low-voltage distribution equipment.
- Industrial distribution panels.
