Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE BNS55V20M25 F1 BNS55V20M25
BS88 gM Type F1 fuse-link offering reliable circuit protection with a 20M25A rating, operating at up to 550VAC and 250VDC. Features offset blade design and ceramic body for industrial applications.
£2.20
Why Choose the Mersen BNS55V20M25 BS88 Fuse Link?
The Mersen BNS55V20M25 is a dependable British Standard industrial fuse link designed to protect low-voltage electrical circuits against damaging overload and short-circuit currents. Manufactured by Mersen, a recognised specialist in electrical protection, this fuse link is suitable for use in industrial control panels, switchgear and power distribution equipment.
Its robust ceramic body and bolted-tag construction provide secure electrical and mechanical connections in compatible fuse holders and switching devices. The fuse link offers reliable current-limiting performance, helping reduce the thermal and mechanical stress placed on cables, conductors and connected equipment during fault conditions.
With a rated current of 20 A and a rated operating voltage of up to 550 V AC, the BNS55V20M25 is suitable for protecting industrial circuits, control equipment and electrical distribution systems where dependable fault interruption is required.
Key Advantages
- Reliable industrial fuse link for circuit protection.
- 20 A rated current for low-voltage electrical installations.
- Rated for operation at up to 550 V AC.
- Current-limiting performance helps minimise damage during electrical faults.
- Robust ceramic construction for dependable industrial operation.
- Bolted-tag connections provide secure installation in compatible equipment.
Key Features
- Mersen industrial fuse-link range.
- 20 A nominal current rating.
- 550 V AC rated voltage.
- Designed for overload and short-circuit protection.
- Durable ceramic fuse body.
- Bolted-tag terminal configuration.
- Suitable for compatible fuse holders and switchgear.
- Designed for industrial and commercial electrical systems.
Reliable Protection for Electrical Circuits
The Mersen BNS55V20M25 is designed to interrupt excessive current before it can cause serious damage to cables, switchgear or connected electrical equipment. During an overload or short circuit, the fuse element operates to isolate the affected circuit and limit the amount of fault energy allowed to pass.
Its robust construction and secure bolted connections make it suitable for panel builders, electrical contractors and maintenance engineers working with industrial control and distribution systems. Correct fuse selection helps improve installation safety, equipment reliability and operational continuity.
Typical Applications
- Industrial control panels.
- Electrical distribution boards.
- Low-voltage switchgear.
- Machinery and automation equipment.
- Commercial electrical installations.
- Cable and equipment protection.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Class | gM | |
|---|---|---|
| Voltage | 550 V | |
| Item number | W1019218 | |
| Catalogue No | BNS55V20M25 | |
| Description | British Standard fuse-link IEC BS88 gM Type F1 550VAC 250VDC 20M25A BNS Offset Blade | |
| EAN/UPC Code | 3605340517170 | |
| 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 | F1 | |
| Mounting | Clip | |
| 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 Blade | |
| Product Diameter | 13.5 mm | |
| Product Length | 61 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.173 kg | |
| Sell Pack Width | 37 mm | |
| Sell Pack Length | 73 mm | |
| Sell Pack Height | 70 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.0173 kg | |
| Power Dissipation at Rated Current Value | 1.6 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BNS55V20M25 used for?
It is used to protect industrial and commercial electrical circuits against excessive current caused by overloads and short circuits.
What is the current rating of the BNS55V20M25?
The Mersen BNS55V20M25 has a nominal current rating of 20 A.
What voltage is this fuse link rated for?
The fuse link is designed for operation at voltages up to 550 V AC.
How is the BNS55V20M25 installed?
It uses bolted-tag terminals and should be fitted within a compatible fuse holder, switchgear assembly or electrical distribution system.
Can the fuse link be reused after it operates?
No. Once the fuse element has operated, the complete fuse link must be replaced with a correctly rated equivalent.
Trusted for Industrial Circuit Protection
Mersen fuse links are widely used by panel builders, electrical engineers and maintenance professionals to provide dependable overload and short-circuit protection in industrial electrical installations.
