Why Choose the Mersen X1000566 Limitor®-P High Voltage Back-up Fuse?
The Mersen X1000566 is a premium Limitor®-P DIN high voltage back-up fuse-link engineered to provide dependable protection for medium voltage transformers operating in industrial and utility electrical distribution systems. Designed in accordance with IEC 60282-1, it rapidly interrupts high fault currents to protect valuable transformers and switchgear from the effects of short-circuit faults.
Part of the trusted Mersen Limitor®-P range, the X1000566 features pure silver fuse elements, silver-plated copper terminals and a durable ceramic body to deliver excellent electrical performance and long service life. Its integrated 80 N striker provides reliable operation with compatible medium voltage switchgear and protection equipment.
Rated at 17.5 kV AC with a 16 A current rating, the X1000566 is supplied in a 56 mm × 367 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.
- 17.5 kV AC rated voltage for industrial distribution systems.
- 16 A rated current for transformer primary protection.
- 63 kA breaking capacity for dependable fault interruption.
- Integrated 80 N striker for reliable switchgear indication.
- Premium ceramic construction with pure silver fuse elements for long service life.
Key Features
- Mersen Limitor®-P back-up fuse-link.
- Catalogue number: 45DB175V16P.
- Rated voltage: 17.5 kV AC.
- Rated current: 16 A.
- Breaking capacity: 63 kA.
- Fuse dimensions: 56 mm diameter × 367 mm length.
- 80 N striker mechanism.
- Designed 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®-P range has been trusted worldwide for decades, providing 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.
