Why Choose the Mersen Q209314 High Voltage Transformer Protection Fuse?
The Mersen Q209314 is a high performance DIN high voltage back-up fuse-link designed to provide dependable protection for transformers and medium voltage electrical systems. Part of the trusted Mersen Limitor®-P series, it delivers reliable current-limiting protection for switchgear, substations and industrial power distribution applications.
Manufactured using premium ceramic insulation, pure silver fuse elements and silver-plated copper terminals, the Q209314 offers consistent electrical performance, excellent fault interruption and long service life. Its integrated 80 N striker allows operation of compatible switchgear following fuse operation, improving overall system safety and protection.
With a rated voltage of 12 kV AC, a rated current of 80 A and a 65 mm diameter × 292 mm DIN body, the Mersen Q209314 is ideal for protecting medium voltage transformers installed within substations, ring main units and industrial distribution networks.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- 12 kV AC rated voltage for industrial distribution systems.
- 80 A rated current.
- 63 kA breaking capacity for dependable fault interruption.
- Integrated 80 N striker for switchgear operation.
- Current-limiting technology reduces fault energy.
- Pure silver fuse elements provide reliable electrical performance.
- Manufactured to IEC and VDE requirements.
Key Features
- Mersen Limitor®-P series.
- DIN high voltage back-up fuse-link.
- 12 kV AC rated voltage.
- 80 A rated current.
- 63 kA maximum breaking capacity.
- 65 mm diameter × 292 mm fuse body.
- Overall length approximately 358 mm.
- Integrated standard 80 N striker.
- Clip mounting.
- Ceramic construction with silver-plated copper terminals.
The Q209314 rapidly interrupts high fault currents before damaging thermal or mechanical stresses can affect transformers and associated medium voltage equipment. Its current-limiting characteristics reduce the energy released during electrical faults, helping extend equipment life and improve network reliability.
Designed for installation within compatible air-insulated switchgear and transformer protection assemblies, the fuse-link provides dependable protection for industrial, commercial and utility power distribution systems.
Typical Applications
- Medium voltage transformers.
- Distribution substations.
- Ring main units.
- Industrial switchgear.
- Power distribution systems.
- Utility electrical networks.
- Renewable energy installations.
- OEM transformer equipment.
