Why Choose the Mersen R1000101 High Voltage Transformer Fuse?
The Mersen R1000101 is a dependable DIN high voltage back-up fuse-link designed to protect transformers and medium voltage electrical equipment against the damaging effects of short-circuit currents. Part of the established Mersen Limitor®-P series, it provides reliable current-limiting performance for high voltage switchgear, controlgear and power distribution systems.
Manufactured for demanding industrial and utility applications, the R1000101 incorporates pure silver fuse elements, silver-plated copper contact caps and a durable ceramic body. This robust construction supports consistent electrical performance, effective heat management and dependable operation throughout the fuse-link's service life.
With a rated voltage of 7.2 kV AC and a rated current of 160 A, the Mersen R1000101 is suitable for transformer protection within medium voltage networks. Its DIN-format construction, 192 mm body length and integrated 80 N striker enable straightforward installation and operation with compatible switchgear.
Key Advantages
- Reliable medium voltage transformer short-circuit protection.
- 7.2 kV AC rated voltage for high voltage distribution systems.
- 160 A rated current for compatible transformer circuits.
- Current-limiting operation helps reduce damaging fault energy.
- Integrated 80 N striker for switchgear tripping or indication.
- High breaking capacity for demanding electrical installations.
- Durable ceramic body with high-quality silver conductive components.
- Manufactured in accordance with relevant IEC and VDE fuse standards.
Key Features
- Mersen Limitor®-P back-up fuse series.
- Catalogue number: 45DB72V160P.
- 7.2 kV AC rated voltage.
- 160 A rated current.
- 63 kA maximum AC breaking capacity.
- 88 mm diameter and 192 mm length.
- Standard 80 N striker mechanism.
- Pure silver fuse elements for dependable interruption performance.
- Silver-plated copper contact caps.
- Robust ceramic fuse body.
High voltage back-up fuse-links protect transformers by interrupting high short-circuit currents before excessive thermal and mechanical stress can damage the transformer windings, switchgear or connected equipment. Their current-limiting action helps reduce the peak current and total energy released during a serious electrical fault.
The Mersen R1000101 is intended for coordinated use with suitable overload protection and medium voltage switchgear. When the fuse operates, its integrated striker can actuate a compatible trip mechanism or provide a clear indication that replacement is required.
Typical Applications
- Medium voltage transformer protection.
- High voltage switchgear and controlgear.
- Industrial power distribution systems.
- Utility substations and distribution networks.
- Renewable energy installations.
- Manufacturing and processing plants.
- Commercial infrastructure power systems.
- OEM medium voltage electrical assemblies.
