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MERSEN FUSE BMF42V050 BMF42V050
British Standard fuse-link IEC BS1361 gG Type 30×57 415VAC 50A providing reliable circuit protection with high breaking capacity and ceramic body.
£12.20
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.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Single Phase | |
|---|---|---|
| Fuse Size | 30x57 mm | |
| Fuse Class | gG | |
| Voltage | 415 V | |
| Item number | X1003878 | |
| Catalogue No | BMF42V050 | |
| Description | British Standard fuse-link IEC BS1361 gG Type 30x57 415VAC 50A | |
| EAN/UPC Code | 3605340477993 | |
| Rated voltage AC IEC | 415 V | |
| Ampere Rating | 50 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gG | |
| Fuse Size | 30x57 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 16000 A²s | |
| Melting I2t | 1600 A²s | |
| AC Max I.R./Breaking Capacity | I1: 33 kA | |
| Product Diameter | 30.2 mm | |
| Product Length | 57 mm | |
| Sell Pack Quantity | 6 EA | |
| Sell Pack Weight | 0.59 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 100 mm | |
| Sell Pack Height | 35 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.0983 kg | |
| Power Dissipation at Rated Current Value | 4.6 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen X1003878 used for?
The X1003878 is a BS1361 house service fuse-link designed to protect low-voltage electrical distribution systems against overloads and short circuits.
What is the current rating of the Mersen X1003878?
The Mersen X1003878 has a rated current of 50 A.
What voltage is the X1003878 designed for?
It is designed for operation on electrical systems rated up to 415 V AC.
What is the breaking capacity of this fuse?
The fuse provides a 33 kA AC breaking capacity for dependable interruption of high prospective fault currents.
Where is the Mersen BMF42V050 typically installed?
It is commonly installed in electricity service cut-outs, customer switchboards and compatible BS1361 fuse carriers used in low-voltage electrical distribution systems.
Trusted for Reliable Electrical Protection
Mersen BS1361 house service fuses are trusted by utilities, electrical contractors and panel builders to provide dependable overcurrent protection for residential, commercial and industrial electrical distribution systems.
