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MERSEN FUSE BNIT55V20 A1 BNIT55V20
BS88 gM Type A1 fuse-link engineered for reliable circuit protection in demanding industrial environments with high breaking capacity and precise operation across 550VAC and 250VDC systems.
£1.77
Why Choose the Mersen BNIT55V20 BS88 Fuse Link?
The Mersen BNIT55V20 is a high-quality British Standard BS88 gG offset tag fuse link designed to provide dependable overcurrent and short-circuit protection for low voltage electrical distribution systems. Manufactured by Mersen, a globally recognised leader in electrical power and advanced materials, this fuse offers excellent current limitation and reliable circuit protection for industrial and commercial installations.
Designed in accordance with EN 60269-2 and BS88 Part 2, the BNIT55V20 provides general-purpose (gG) protection for cables, switchgear and distribution equipment. Its offset tag construction allows secure installation into compatible fuse holders, fuse switch disconnectors and busbar-mounted assemblies, making it a trusted solution for panel builders, OEMs and maintenance engineers.
With a 20 A current rating, 550 V AC and 250 V DC voltage rating, the BNIT55V20 delivers reliable protection across a wide range of industrial power distribution applications while helping minimise equipment damage during fault conditions.
Key Advantages
- British Standard BS88 gG offset tag fuse link for industrial protection.
- 20 A current rating for general-purpose circuit protection.
- 550 V AC and 250 V DC rated for versatile installations.
- Excellent current limiting characteristics help reduce fault energy.
- Suitable for installation in fuse holders, switch disconnectors and busbar systems.
- Manufactured to recognised IEC and BS standards for dependable performance.
Key Features
- Mersen BNIT offset tag fuse series.
- 20 A rated current.
- 550 V AC / 250 V DC voltage rating.
- gG utilisation category for general-purpose protection.
- Offset tag design for BS88 fuse installations.
- Complies with EN 60269-2 and BS88 Part 2.
- Provides effective overload and short-circuit protection.
- Suitable for industrial control panels and electrical distribution systems.
Reliable Circuit Protection for Industrial Power Systems
The Mersen BNIT55V20 is engineered to protect electrical circuits from overloads and short circuits while limiting fault current and reducing thermal and mechanical stress on connected equipment. Its proven gG characteristic makes it suitable for protecting cables, switchgear, motor control equipment and distribution systems.
Designed for demanding industrial environments, this BS88 fuse link delivers consistent protection and dependable performance in manufacturing plants, commercial buildings, power distribution equipment and OEM electrical assemblies.
Typical Applications
- Industrial electrical distribution panels.
- Fuse switch disconnectors.
- Motor control centres.
- Commercial building electrical installations.
- OEM control panels.
- Power distribution and switchgear assemblies.
Technical Specifications
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| Fuse Class | gM | |
|---|---|---|
| Voltage | 550 V | |
| Item number | J1019230 | |
| Catalogue No | BNIT55V20M25 | |
| Description | British Standard fuse-link IEC BS88 gM Type A1 550VAC 250VDC 20M25A BNIT Offset Tag | |
| EAN/UPC Code | 3605340515893 | |
| Rated voltage AC IEC | 550 V | |
| Rated voltage DC IEC | 250 V | |
| In M Ich | 20M25 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gM | |
| Fuse Size | A1 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 2100 A²s | |
| Melting I2t | 420 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 Tag | |
| Product Diameter | 13.5 mm | |
| Product Width | 14.5 mm | |
| Product Length | 56 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.16 kg | |
| Sell Pack Width | 65 mm | |
| Sell Pack Length | 70 mm | |
| Sell Pack Height | 30 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.016 kg | |
| Power Dissipation at Rated Current Value | 1.6 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BNIT55V20 used for?
The BNIT55V20 is used to provide overload and short-circuit protection for industrial and commercial electrical distribution circuits.
What is the current rating of this fuse?
The BNIT55V20 has a 20 A current rating.
What voltage is the fuse rated for?
This fuse is rated for 550 V AC and 250 V DC operation.
What does the gG classification mean?
The gG utilisation category indicates that the fuse provides full-range protection against both overload and short-circuit faults for general-purpose applications.
Where is the BNIT55V20 typically installed?
It is commonly installed in BS88 fuse holders, fuse switch disconnectors, switchgear and electrical distribution panels.
Trusted by Electrical Professionals Worldwide
Mersen BS88 fuse links are trusted by electrical contractors, panel builders and industrial engineers for delivering dependable circuit protection, high fault current limitation and long-term reliability across demanding power distribution applications.
