Why Choose the Mersen Q1000238 High Voltage Transformer Protection Fuse?
The Mersen Q1000238 is a dependable high voltage DIN back-up fuse-link designed to protect transformers and associated medium voltage equipment against damaging short-circuit currents. As part of the established Mersen Limitor®-PD series, it provides reliable current-limiting protection for high voltage switchgear, controlgear and electrical distribution systems.
This fuse-link is manufactured using pure silver fuse elements, silver-coated copper caps and a robust ceramic body. These carefully selected materials provide consistent electrical characteristics, effective fault interruption and dependable long-term performance within demanding industrial, commercial and utility installations.
With a rated voltage of 7.2 kV AC, a rated current of 160 A and a 88 mm diameter × 192 mm fuse body, the Q1000238 is suitable for transformer protection systems requiring a DIN-format fuse-link. Its integrated 80 N striker supports fault indication and operation of compatible switching equipment following fuse operation.
Key Advantages
- Designed specifically for high voltage transformer protection.
- 7.2 kV AC rated voltage for medium voltage systems.
- 160 A current rating for compatible transformer circuits.
- Current-limiting operation helps reduce damaging fault energy.
- Integrated 80 N striker for fault indication and switchgear operation.
- Pure silver fuse elements provide consistent electrical performance.
- Silver-coated copper caps support dependable conductivity.
- Robust ceramic construction supports a dependable service life.
Key Features
- Mersen Limitor®-PD high voltage DIN back-up fuse-link.
- Catalogue number: 45DB72V160PD.
- Rated voltage: 7.2 kV AC.
- Rated current: 160 A.
- Fuse body diameter: 88 mm.
- Fuse body length: 192 mm.
- Integrated 80 N striker mechanism.
- DIN-format design for compatible high voltage equipment.
- VDE T402 transformer protection design.
- Back-up fuse classification in accordance with IEC 60282-1.
High voltage back-up fuse-links protect transformers by rapidly limiting and interrupting severe short-circuit currents before excessive thermal or mechanical stress can damage transformer windings, switchgear or connected distribution equipment. Their current-limiting action also helps reduce the peak current and energy passed into a fault.
The Mersen Q1000238 combines dependable transformer protection with robust ceramic construction and an integrated striker. When the fuse-link operates, the striker can provide fault indication or activate compatible switching equipment, supporting coordinated circuit isolation and safer maintenance.
Typical Applications
- Medium voltage transformer protection.
- High voltage switchgear assemblies.
- Transformer substations.
- Ring main units.
- Industrial power distribution systems.
- Utility distribution equipment.
- Renewable energy installations.
- OEM transformer controlgear.
