Why Choose the Mersen R1006104 High Voltage Transformer Fuse?
The Mersen R1006104 is a premium DIN high voltage back-up fuse-link engineered to protect transformers and medium voltage equipment against damaging short-circuit currents. Part of the trusted Mersen Limitor®-P series, it delivers dependable current limiting performance for medium voltage switchgear, substations and industrial power distribution systems.
Designed in accordance with IEC 60282-1, the R1006104 is dedicated to transformer protection and is manufactured using premium materials including pure silver fuse elements, silver-coated copper contact caps and a robust ceramic body. This combination provides excellent electrical performance, reliable fault interruption and long service life in demanding applications.
With a rated voltage of 12 kV AC and a rated current of 125 A, the Mersen R1006104 is ideal for medium voltage transformer protection. Its 88 mm diameter, 442 mm body length and integrated 80 N standard striker allow straightforward installation into compatible DIN fuse bases and switchgear.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- 12 kV AC rated voltage for industrial and utility power systems.
- 125 A rated current.
- Current-limiting design reduces damaging fault energy.
- Integrated 80 N standard striker for compatible switchgear tripping.
- Pure silver fuse elements ensure reliable interruption.
- High quality ceramic construction for long service life.
- Manufactured in accordance with IEC 60282-1.
Key Features
- Mersen Limitor®-P back-up fuse series.
- Catalogue number: 45DB120V125P-3.
- 12 kV AC rated voltage.
- 125 A rated current.
- 88 mm fuse diameter.
- 442 mm fuse length.
- Integrated 80 N standard striker.
- Pure silver fuse elements.
- Silver-coated copper contact caps.
- High-strength ceramic body.
The Mersen R1006104 rapidly interrupts high prospective short-circuit currents before excessive thermal or mechanical stress can damage transformers, switchgear or associated equipment. Its current-limiting characteristics help minimise fault energy while maintaining dependable protection for valuable electrical assets.
As a high voltage back-up fuse-link, the R1006104 is intended for coordinated transformer protection and should be used alongside suitable overload protection. The integrated striker enables compatible switchgear trip mechanisms or indication systems to operate when the fuse has interrupted a fault.
Typical Applications
- Medium voltage transformer protection.
- Industrial switchgear.
- Utility substations.
- Power distribution systems.
- Renewable energy installations.
- Manufacturing facilities.
- Commercial infrastructure.
- OEM medium voltage equipment.
