Why Choose the Mersen BTTM69V500 BS88 gG Fuse Link?
The Mersen BTTM69V500 is a high-current British Standard BS88 gG fuse link designed to protect industrial electrical systems against overload and short-circuit currents. Manufactured by Mersen, it provides effective current limitation to help safeguard cables, conductors, switchgear and connected equipment during severe electrical fault conditions.
Its gG full-range operating characteristic enables the BTTM69V500 to respond to sustained overload currents as well as high-level short circuits. The robust ceramic body and bolted-tag terminal arrangement provide secure mechanical and electrical connections within compatible fuse holders, fuse switches and industrial distribution assemblies.
With a rated current of 500 A and a rated operating voltage of up to 690 V AC, the Mersen BTTM69V500 is suitable for high-capacity switchboards, industrial machinery, power distribution equipment and infrastructure applications requiring dependable high-current circuit protection.
Key Advantages
- Dependable BS88 gG full-range circuit protection.
- 500 A rated current for high-power electrical installations.
- 690 V AC voltage rating for demanding industrial systems.
- Protects cables and connected equipment against overload and short-circuit currents.
- Current-limiting operation helps reduce thermal and mechanical fault stress.
- Bolted-tag construction provides secure installation within compatible equipment.
Key Features
- Mersen industrial BS88 fuse-link range.
- 500 A nominal current rating.
- 690 V AC rated operating voltage.
- gG utilisation category for full-range protection.
- Designed to protect cables, conductors and general electrical equipment.
- Durable ceramic fuse body for demanding industrial environments.
- Bolted-tag terminal configuration.
- Suitable for compatible fuse holders, fuse switches and switchgear assemblies.
Reliable Protection for High-Capacity Power Systems
The Mersen BTTM69V500 operates by interrupting excessive electrical current before it can cause serious damage to cables, switchgear or connected equipment. During an overload or short circuit, the internal fuse element isolates the affected circuit and limits the amount of damaging electrical energy allowed to pass.
Its gG operating characteristic provides protection across the complete current range, making the fuse link suitable for panel builders, electrical contractors and maintenance engineers working with high-capacity switchboards, industrial machinery and low-voltage power distribution systems.
Typical Applications
- Industrial power distribution switchboards.
- Low-voltage switchgear assemblies.
- Fuse switches and switch disconnectors.
- Industrial machinery and production equipment.
- Commercial and infrastructure power systems.
- Cable, conductor and equipment protection.
