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.
£4.43
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.
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.
| 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 |
The BNIT55V20 is used to provide overload and short-circuit protection for industrial and commercial electrical distribution circuits.
The BNIT55V20 has a 20 A current rating.
This fuse is rated for 550 V AC and 250 V DC operation.
The gG utilisation category indicates that the fuse provides full-range protection against both overload and short-circuit faults for general-purpose applications.
It is commonly installed in BS88 fuse holders, fuse switch disconnectors, switchgear and electrical distribution panels.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...