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MERSEN FUSE 125A69B2 BTF69V125
British Standard fuse-link IEC BS88 gM Type B2 690VAC 460VDC 125M160A BTF Central Bolted Tag designed for reliable circuit protection in industrial applications.
£17.86
Why Choose the Mersen BTF69V125 British Standard Fuse-Link?
The Mersen BTF69V125 is a high-performance British Standard industrial fuse-link designed to provide reliable overcurrent protection for electrical distribution circuits operating at up to 690 V AC. With a rated current of 125 A, it helps protect cables, switchgear and connected equipment against damaging overloads and short-circuit currents.
Part of Mersen’s established range of British Standard fuse-links, the BTF69V125 combines dependable fault interruption with effective current limitation. During a serious electrical fault, the fuse-link restricts peak current and let-through energy, helping reduce thermal and mechanical stress on downstream equipment.
Its robust tagged construction supports secure installation in compatible British Standard fuse holders, fused switches and industrial distribution assemblies. The BTF69V125 is therefore well suited to panel builders, OEMs and maintenance engineers requiring reliable protection for demanding commercial and industrial installations.
Key Advantages
- British Standard fuse-link for dependable industrial circuit protection.
- 125 A rated current for higher-load distribution circuits.
- 690 V AC rated voltage for demanding electrical systems.
- Protects cables and equipment against overloads and short circuits.
- Current-limiting operation helps minimise damage during fault conditions.
- Robust tagged construction for secure installation in compatible equipment.
Key Features
- Mersen BTF British Standard fuse-link series.
- 125 A rated current.
- 690 V AC rated operating voltage.
- Full-range industrial overcurrent protection.
- High fault-current interruption capability.
- Effective limitation of peak current and let-through energy.
- Durable construction for industrial environments.
- Suitable for electrical distribution and switchgear applications.
Reliable Protection for High-Voltage Distribution Circuits
The Mersen BTF69V125 safely interrupts excessive current before it can cause serious damage to cables, switchgear or connected electrical equipment. Its current-limiting characteristics reduce the magnitude and duration of fault current, helping improve installation safety and equipment reliability.
With its 690 V AC rating, the fuse-link is suitable for industrial systems operating above standard low-voltage distribution levels. Correct fuse selection should take account of circuit load, cable capacity, prospective fault current and coordination with associated protective equipment.
Typical Applications
- Industrial power distribution systems.
- Electrical switchboards and distribution panels.
- Fused switches and switch disconnectors.
- Cable and feeder circuit protection.
- Manufacturing and processing equipment.
- Commercial and industrial electrical installations.
Technical Specifications
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| Fuse Class | gM | |
|---|---|---|
| Voltage | 690 V | |
| Item number | G1006624 | |
| Catalogue No | BTF69V125M160 | |
| Description | British Standard fuse-link IEC BS88 gM Type B2 690VAC 460VDC 125M160A BTF Central Bolted Tag | |
| EAN/UPC Code | 3605340485097 | |
| Rated voltage AC IEC | 690 V | |
| Rated voltage DC IEC | 460 V | |
| In M Ich | 125M160 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gM | |
| Fuse Size | B2 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 300000 A²s | |
| Melting I2t | 60000 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 | 41.9 mm | |
| Product Length | 138 mm | |
| Sell Pack Quantity | 5 EA | |
| Sell Pack Weight | 1.555 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 245 mm | |
| Sell Pack Height | 85 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.311 kg | |
| Power Dissipation at Rated Current Value | 11.3 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTF69V125 used for?
It is an industrial fuse-link designed to protect cables, switchgear and connected electrical equipment against overloads and short circuits.
What is the current rating of the BTF69V125?
The Mersen BTF69V125 has a rated current of 125 A.
What voltage is this fuse-link rated for?
The fuse-link is rated for operation at up to 690 V AC.
How does the BTF69V125 protect electrical equipment?
It interrupts excessive current and limits peak fault current and let-through energy, helping reduce thermal and mechanical damage to cables and equipment.
Where is the BTF69V125 typically installed?
It is commonly installed in compatible British Standard fuse holders, fused switches, industrial switchboards and electrical distribution equipment.
Trusted for Industrial Circuit Protection
Mersen industrial fuse-links are trusted by electrical engineers, panel builders and OEM manufacturers for reliable fault interruption, effective current limitation and dependable long-term performance.
