Limitor®- PTD Back-up Fuses, with Controlled Power Dissipation

Mersen HV fuse-links have been used for reliable protection in high-voltage switchgear and controlgear and high-voltage systems for decades.
Limitor®-PTD HV fuse-links are back-up fuses as defined in the standards: IEC 60282-1 and VDE 0670 T402 and dedicated to protect transformers in combination with air or gas insulated switchgear against the thermal and dynamic effects of short-circuit currents.
To guarantee high quality, Mersen uses the best materials: fuse-elements are in pure silver, caps are in copper coated with silver and bodies are in ceramic.
Limitor®-PTD HV fuse-links are perfectly designed to be used in combination with HV switchgear.
Siemens and Ormazabal recommend Limitor®-PTD HV fuses to be used in their gas-insulated switchgear.

High breaking capacity

• High current limitation
• Low switching voltage
• Medium striker 80N/30mm
• CPD striker: controlled power dissipation
• Indoor and outdoor applications
• Quick breaking
• Non-ageing
• Energy efficiency
• New cap design for a better compatibility with all types of clips
• and easier assembly
• Coordination with IEC 60787, IEC 62271-105, IEC/TR 62655
• and VDE 0671-105:2003-12