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MERSEN FUSE 4A55F1 BNS55V4
Reliable BS88 gG Type F1 fuse-link rated at 4A for AC up to 550V and DC up to 250V with offset blade terminals and ceramic body.
£1.65
Why Choose the Mersen BNS55V4 British Standard Fuse-Link?
The Mersen BNS55V4 is a premium British Standard gG fuse-link designed to provide dependable full-range protection for industrial and commercial electrical circuits. Manufactured in accordance with BS 88 Part 6 and EN IEC 60269-2, this Type F1 offset blade fuse-link delivers excellent current limitation and reliable protection against overloads and short circuits.
As part of the trusted Mersen BNS Offset Blade fuse-link range, the BNS55V4 features a compact offset blade design for secure installation in compatible fuse holders, busbars and fuse switch disconnectors. Its robust construction ensures long service life and dependable operation in demanding industrial environments.
With a 4 A current rating, 550 V AC and 250 V DC voltage ratings, the BNS55V4 is ideal for protecting low-current distribution circuits, control equipment and industrial electrical systems where reliable overcurrent protection is essential.
Key Advantages
- British Standard gG fuse-link for full-range circuit protection.
- 4 A rated current.
- 550 V AC / 250 V DC voltage rating.
- Manufactured to BS 88 Part 6 and EN IEC 60269-2.
- Excellent current-limiting characteristics reduce equipment damage during faults.
- Compact Type F1 offset blade construction for secure installation.
Key Features
- Mersen BNS Offset Blade fuse-link series.
- 4 A current rating.
- 550 V AC / 250 V DC rated voltage.
- gG utilisation category for general-purpose protection.
- 80 kA AC breaking capacity.
- 40 kA DC breaking capacity.
- Type F1 offset blade mounting.
- Current-limiting design for enhanced equipment protection.
Reliable Protection for Industrial Electrical Systems
The Mersen BNS55V4 provides fast and reliable interruption of overload and short-circuit currents, protecting cables, switchgear and electrical equipment from costly damage. Its excellent current-limiting performance helps minimise thermal and mechanical stresses during fault conditions, improving overall system reliability.
Designed for use in British Standard fuse systems, the BNS55V4 is suitable for industrial control panels, electrical distribution equipment, OEM machinery and commercial installations where dependable low-current circuit protection is required.
Typical Applications
- Industrial electrical distribution boards.
- Switchgear and fuse switch disconnectors.
- Industrial control panels.
- OEM machinery.
- Control and instrumentation circuits.
- Commercial and industrial electrical installations.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 550 V | |
| Item number | D1006644 | |
| Catalogue No | BNS55V4 | |
| Description | British Standard fuse-link IEC BS88 gG Type F1 550VAC 250VDC 4A BNS Offset Blade | |
| EAN/UPC Code | 3605340485257 | |
| Rated voltage AC IEC | 550 V | |
| Rated voltage DC IEC | 250 V | |
| Ampere Rating | 4 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gG | |
| Fuse Size | F1 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 38 A²s | |
| Melting I2t | 7.6 A²s | |
| AC Max I.R./Breaking Capacity | I1: 80 kA | |
| Max. Rated Breaking Capacity DC | 40 kA | |
| Connection/Terminal Material | Tin-Plated Copper | |
| Connection/Terminal Type | Offset Blade | |
| Product Diameter | 13.5 mm | |
| Product Length | 61 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.175 kg | |
| Sell Pack Width | 70 mm | |
| Sell Pack Length | 70 mm | |
| Sell Pack Height | 32 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.0175 kg | |
| Power Dissipation at Rated Current Value | 1.5 W | |
| HS Code | 85361010 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BNS55V4 used for?
It is a British Standard gG fuse-link designed to protect industrial electrical circuits and equipment against overloads and short circuits.
What is the current rating of this fuse?
The BNS55V4 has a 4 A current rating.
What voltage is this fuse rated for?
It is rated for 550 V AC and 250 V DC operation.
Which standards does the BNS55V4 comply with?
It complies with BS 88 Part 6 and EN IEC 60269-2 for low-voltage fuse-links.
Where is the BNS55V4 typically installed?
It is commonly installed in compatible British Standard fuse holders, busbar systems, industrial switchgear and electrical distribution equipment.
Trusted for Industrial Circuit Protection
Mersen British Standard fuse-links are trusted worldwide by electrical engineers, OEM manufacturers and panel builders for dependable overcurrent protection, exceptional fault interruption capability and long-term operational reliability.
