Why Choose the Mersen W209296 Limitor®-PD High Voltage Back-up Fuse?
The Mersen W209296 is a high performance Limitor®-PD DIN high voltage back-up fuse-link designed to provide reliable protection for medium voltage transformers operating within industrial and utility electrical distribution systems. Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, it delivers rapid interruption of high fault currents to help safeguard valuable transformers and associated switchgear.
As part of the trusted Mersen Limitor®-PD range, the W209296 incorporates pure silver fuse elements, silver-plated copper end caps and a durable ceramic body to ensure excellent electrical performance and long service life. The integrated 80 N striker provides dependable operation with compatible medium voltage switchgear and protection systems.
Rated at 7.2 kV AC with a 20 A current rating, this fuse-link is supplied in a compact 56 mm × 192 mm DIN format, making it ideal for transformer primary protection in substations, industrial facilities and utility distribution networks.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- Manufactured to IEC 60282-1 and VDE 0670 T402.
- 7.2 kV AC rated voltage for medium voltage distribution systems.
- 20 A current rating suitable for transformer primary protection.
- Integrated 80 N striker for dependable switchgear indication.
- Premium ceramic construction with pure silver fuse elements for long operating life.
Key Features
- Mersen Limitor®-PD back-up fuse-link.
- Catalogue number: 45DB72V20PD.
- Rated voltage: 7.2 kV AC.
- Rated current: 20 A.
- Breaking capacity: 63 kA.
- Fuse dimensions: 56 mm diameter × 192 mm length.
- Integrated 80 N striker.
- Suitable for transformer protection in medium voltage switchgear.
Medium voltage back-up fuse-links rapidly interrupt damaging fault currents before they can affect transformers and associated switchgear. This helps improve electrical network reliability, reduce equipment damage and minimise maintenance costs across industrial power distribution systems.
The Mersen Limitor®-PD range has been trusted worldwide for decades, offering dependable transformer protection through premium materials, consistent electrical performance and proven fault interruption capabilities.
Typical Applications
- Medium voltage transformer protection.
- Industrial substations.
- Medium voltage switchgear.
- Utility power distribution networks.
- Industrial manufacturing facilities.
- Infrastructure and renewable energy installations.
