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MERSEN FUSE 250A69B4 BTMF69V250
British Standard fuse-link IEC BS88 gG Type B4 690VAC 460VDC 250A BTMF Central Bolted Tag designed for reliable protection in industrial and commercial electrical systems.
£63.66
Why Choose the Mersen BTMF69V250 BS88 gG Fuse Link?
The Mersen BTMF69V250 is a high-performance BS88 central bolted tag fuse link engineered to provide dependable overload and short-circuit protection for industrial power distribution systems. Manufactured by Mersen, this gG general-purpose fuse is designed for switchgear, distribution boards, fuse switches and OEM electrical equipment requiring reliable circuit protection.
Designed in accordance with EN 60269-2 and BS88 Part 2, the BTMF69V250 offers outstanding current limitation and high fault interruption capability, helping to protect cables, switchgear and connected equipment during overloads and short-circuit conditions. Its central bolted tag construction provides a secure mechanical and electrical connection in demanding industrial installations.
With a 250 A current rating, 690 V AC and 460 V DC ratings, the Mersen BTMF69V250 is ideally suited to modern low-voltage power distribution systems where safety, reliability and compliance with recognised standards are essential.
Key Advantages
- Designed for general-purpose industrial circuit protection.
- Complies with EN 60269-2 and BS88 Part 2 standards.
- 250 A current rating for industrial power applications.
- 690 V AC / 460 V DC rated operation.
- Excellent current limitation reduces fault energy.
- Central bolted tag design provides secure installation.
Key Features
- Mersen BTMF series fuse link.
- gG general-purpose utilisation category.
- 250 A rated current.
- 690 V AC / 460 V DC rated voltage.
- BS88 Type B4 central bolted tag construction.
- High breaking capacity for industrial electrical systems.
- Suitable for fuse holders, busbars and switch-disconnectors.
- RoHS compliant.
Reliable Protection for Industrial Power Distribution
gG fuse links are designed to provide full-range protection against overloads and short circuits across a wide variety of industrial electrical applications. Their current-limiting characteristics help minimise damage to electrical equipment while improving system safety and operational reliability.
The Mersen BTMF69V250 is suitable for installation in industrial switchgear, fuse switches, busbar systems and power distribution assemblies where dependable protection and compliance with international standards are required.
Typical Applications
- Industrial switchgear.
- Electrical distribution boards.
- Power distribution panels.
- Fuse switch disconnectors.
- OEM machinery and industrial equipment.
- Commercial and industrial electrical installations.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 690 V | |
| Item number | J1006626 | |
| Catalogue No | BTMF69V250 | |
| Description | British Standard fuse-link IEC BS88 gG Type B4 690VAC 460VDC 250A BTMF Central Bolted Tag | |
| EAN/UPC Code | 3605340485110 | |
| Rated voltage AC IEC | 690 V | |
| Rated voltage DC IEC | 460 V | |
| Ampere Rating | 250 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gG | |
| Fuse Size | B4 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 700000 A²s | |
| Melting I2t | 190000 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 | Central Bolted Tag | |
| Product Diameter | 59.1 mm | |
| Product Length | 138 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.618 kg | |
| Sell Pack Width | 70 mm | |
| Sell Pack Length | 128 mm | |
| Sell Pack Height | 62 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.618 kg | |
| Power Dissipation at Rated Current Value | 24 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTMF69V250 used for?
The Mersen BTMF69V250 is a BS88 gG fuse link designed to protect industrial electrical circuits against overloads and short circuits.
What is the current rating of this fuse?
The BTMF69V250 has a 250 A current rating.
What voltage is the fuse rated for?
This fuse is rated for operation up to 690 V AC and 460 V DC.
Which standards does the BTMF69V250 comply with?
The fuse complies with EN 60269-2 and BS88 Part 2 standards.
Where is this fuse typically installed?
It is commonly installed in compatible fuse holders, busbar assemblies, switch-disconnectors and industrial power distribution equipment.
Trusted by Electrical Engineers Worldwide
Mersen BS88 fuse links are widely specified by electrical engineers, panel builders and OEM manufacturers for dependable circuit protection, excellent fault interruption capability and long-term industrial reliability.
