Limitor®- PT 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®-PT HV fuses are back-up fuses as defined in the IEC 60282-1 standard and dedicated to protect transformers against the 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.
Mersen HV fuse-links have been used for reliable protection in high-voltage switchgear and controlgear and high-voltage systems for decades. Limitor®-PT HV fuses are back-up fuses as defined in the IEC 60282-1 standard and dedicated to protect transformers against the 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.
Product data sheets
Charts
Compliance
- COM-REACH-declaration-0054-45DB-Limitor-fuses-Medium-Voltagepdf - 369.29 KB 
Key features & benefits
- High breaking capacity 
- High current limitation 
- Low switching voltage 
- Quick breaking 
- Energy efficency 
- 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 
- Medium striker 80N/30mm 
- CPD striker: controlled power dissipation 
- Indoor and outdoor applications 
Applications
- HV Transformer protection 
| Voltage Range | 3 ... 24 kV | 
| Amperage Range | 1 ... 200 A | 
| Reach Compliant | Yes | 
Reference Finder
Scroll
| Item number | Ampere rating | Fuse size | Clearing I2t At Rated Voltage | Indication System | Product weight | 
|---|---|---|---|---|---|
| N1000121 - 45DB120V4PT See product | 4A | d=56mm L=292mm | 0.55kA²s | Yes | 1.6kg | 
| N1000144 - 45DB240V32PT See product | 31.5A | d=56mm L=442mm | 7kA²s | Yes | 2.3kg | 
| N1006124 - 45DB175V50PT See product | 50A | d=56mm L=367mm | 50kA²s | Yes | 2.2kg | 
| P1000122 - 45DB120V6,3PT See product | 6.3A | d=56mm L=292mm | 0.8kA²s | Yes | 1.6kg | 
| P1000145 - 45DB240V40PT See product | 40A | d=56mm L=442mm | 22kA²s | Yes | 2.3kg | 
| P1006125 - 45DB175V63PT See product | 63A | d=56mm L=367mm | 100kA²s | Yes | 2.2kg | 
| Q1000123 - 45DB120V10PT See product | 10A | d=56mm L=292mm | 1.4kA²s | Yes | 1.6kg | 
| Q1000146 - 45DB240V50PT See product | 50A | d=56mm L=442mm | 45kA²s | Yes | 2.3kg | 
| Q1006126 - 45DB175V80PT See product | 80A | d=65mm L=367mm | 150kA²s | Yes | 2.6kg | 
| R1000124 - 45DB120V16PT See product | 16A | d=56mm L=292mm | 1.8kA²s | Yes | 1.6kg | 
