Why Choose the Mersen B1018326 High Voltage DIN Back-up Fuse?
The Mersen B1018326 is a premium Limitor®-PTS high voltage DIN back-up fuse-link with low power dissipation and an integrated thermal striker, specifically designed to provide dependable transformer protection in medium voltage electrical distribution systems. Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, it delivers outstanding fault interruption performance whilst reducing thermal loading inside modern switchgear.
The innovative Limitor®-PTS series incorporates a redesigned pure silver fuse element together with Mersen's patented thermal striker technology, helping prevent overheating within fuse compartments. Constructed using pure silver fuse elements, silver-plated copper end caps and a durable ceramic body, the B1018326 provides exceptional electrical reliability and a long operational service life.
With a 24 kV AC voltage rating, 125 A current rating and 88 mm diameter × 442 mm length construction, the Mersen B1018326 is ideally suited for protecting transformers installed within air insulated and gas insulated switchgear used across industrial plants, substations and utility distribution networks.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- Patented thermal striker helps prevent switchgear overheating.
- Low power dissipation improves operational efficiency.
- 24 kV AC rated voltage.
- 125 A rated current.
- Manufactured to IEC 60282-1 and VDE 0670 T402.
- Integrated 80 N thermal striker.
- Recommended for compatible Siemens and Ormazabal switchgear.
Key Features
- Manufacturer: Mersen.
- Series: Limitor®-PTS.
- Part number: B1018326.
- Catalogue number: 45DB240V125PTS.
- Rated voltage: 24 kV AC.
- Rated current: 125 A.
- Fuse dimensions: 88 mm diameter × 442 mm length.
- Low power dissipation fuse technology.
- Integrated 80 N thermal striker.
- High strength ceramic body with silver-plated copper terminals.
The Limitor®-PTS range has been developed to protect transformers whilst reducing heat generation inside modern switchgear. Its innovative fuse element design and patented thermal striker technology improve operational reliability and help extend equipment life without compromising fault interruption capability.
The B1018326 is particularly suitable for gas insulated and air insulated switchgear used throughout industrial facilities, substations and utility distribution systems where dependable transformer protection is essential.
Typical Applications
- Medium voltage transformers.
- Gas insulated switchgear (GIS).
- Air insulated switchgear.
- Industrial electrical distribution.
- Utility substations.
- OEM medium voltage equipment.
