Why Choose the Mersen T209363 High Voltage DIN Back-up Fuse?
The Mersen T209363 is a high-performance Limitor®-PD high voltage DIN back-up fuse designed to provide dependable short-circuit protection for power transformers and medium voltage switchgear installations. Manufactured to IEC 60282-1 and VDE 0670 T402 standards, it delivers reliable protection for critical electrical infrastructure.
Designed specifically for transformer protection, the T209363 combines high breaking capacity, low power loss and consistent operating characteristics. Manufactured using high-quality ceramic bodies, pure silver fuse elements and silver-plated copper end caps, it provides long service life and dependable performance in demanding industrial and utility environments.
With a 36 kV AC voltage rating, 10 A current rating and integrated 80 N striker, this fuse is ideally suited for protecting transformers, ring main units and medium voltage distribution equipment where safe and reliable fault interruption is essential.
Key Advantages
- Designed specifically for high voltage transformer protection.
- 36 kV AC rated voltage for medium voltage systems.
- 10 A rated current suitable for transformer applications.
- High interrupting capacity for dependable fault clearance.
- Integrated 80 N striker mechanism for fuse indication and switch operation.
- Manufactured using premium ceramic and silver components for long service life.
Key Features
- Mersen Limitor®-PD series.
- Catalogue number: 45DB360V10PD.
- 36 kV AC IEC voltage rating.
- 10 A current rating.
- DIN high voltage back-up fuse design.
- Integrated 80 N striker.
- Suitable for transformer and switchgear protection.
- Manufactured to IEC 60282-1 and VDE 0670 T402 standards.
Reliable Protection for Medium Voltage Systems
The Mersen Limitor®-PD range is engineered to protect transformers against the effects of short-circuit currents while maintaining excellent reliability throughout its operational life. Its carefully engineered construction ensures predictable fault interruption and dependable coordination with medium voltage switchgear.
The integrated striker mechanism enables automatic tripping or indication when installed within compatible switchgear, helping improve system safety while reducing equipment damage during fault conditions.
Typical Applications
- Power transformer protection.
- Medium voltage switchgear.
- Ring main units.
- Electrical distribution substations.
- Industrial power distribution systems.
- Utility infrastructure installations.
