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MERSEN FUSE H 1209P BCKUP TS VDE 292-56/10 45DB120V10PTS2
Mersen R1032945 Limitor-PTS DIN high voltage back-up fuse-link with low power dissipation and thermal striker for transformer protection. Rated 12 kV AC and 10 A.
£72.87
Why Choose the Mersen R1032945 High Voltage Transformer Fuse?
The Mersen R1032945 is a premium DIN high voltage back-up fuse-link developed to protect transformers and medium voltage equipment against damaging short-circuit currents. Part of the innovative Mersen Limitor®-PTS series, it combines low power dissipation with an integrated thermal striker, making it ideal for modern air-insulated and gas-insulated switchgear installations.
The Limitor®-PTS range features an advanced fuse-element design that significantly reduces power losses while incorporating a thermal striker to help prevent overheating inside the fuse compartment. Manufactured using pure silver fuse elements, silver-plated copper contact caps and a robust ceramic body, the R1032945 delivers dependable transformer protection and long service life in demanding industrial and utility applications.
Rated at 12 kV AC and 10 A, the Mersen R1032945 is designed for transformer protection within medium voltage distribution systems. Its 56 mm diameter, 292 mm length and integrated 80 N thermal striker provide 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 networks.
- 10 A rated current.
- Low power dissipation reduces heating within switchgear.
- Integrated 80 N thermal striker for reliable tripping and indication.
- High current-limiting performance minimises fault energy.
- Pure silver fuse elements provide dependable interruption.
- Suitable for modern air-insulated and gas-insulated switchgear.
Key Features
- Mersen Limitor®-PTS back-up fuse series.
- Catalogue number: 45DB120V10PTS2.
- 12 kV AC rated voltage.
- 10 A rated current.
- 56 mm fuse diameter.
- 292 mm fuse length.
- Integrated 80 N thermal striker.
- Low power dissipation fuse design.
- Pure silver fuse elements.
- Silver-plated copper contact caps.
- High-strength ceramic body.
Reliable Protection for Medium Voltage Transformers
The Mersen R1032945 rapidly interrupts high prospective short-circuit currents before excessive thermal or mechanical stress can damage transformers, switchgear or associated electrical equipment. Its current-limiting characteristics minimise fault energy while the low power dissipation design helps improve switchgear reliability.
The integrated thermal striker provides dependable operation of compatible trip mechanisms while helping prevent overheating inside sealed switchgear compartments. This makes the Limitor®-PTS range particularly suitable for compact modern medium voltage installations.
Typical Applications
- Medium voltage transformer protection.
- Gas-insulated switchgear (GIS).
- Air-insulated switchgear.
- Industrial power distribution.
- Utility substations.
- Renewable energy installations.
- Manufacturing facilities.
- OEM medium voltage equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Voltage | 120 V | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | High voltage | |
| Current | 10 A | |
| Manufacturer | Mersen | |
| Series | Limitor®-PTS Back-up Fuses with Low Power Dissipation and Thermal Striker | |
| Model | R1032945 | |
| Catalogue number | 45DB120V10PTS2 | |
| Product type | DIN high voltage back-up fuse-link | |
| Primary application | Transformer protection | |
| Rated voltage | 12 kV AC | |
| Rated current | 10 A | |
| Breaking capacity | 65 kA | |
| Clearing I²t | 3000 A²s | |
| Minimum breaking current | 35 A | |
| Cold resistance | 227 mΩ | |
| Power dissipation at rated current | 29 W | |
| Fuse diameter | 56 mm | |
| Fuse length | 292 mm | |
| Thermal striker | 80 N | |
| Mounting | Clip mounting | |
| Fuse element material | Pure silver | |
| Contact cap material | Silver-plated copper | |
| Body material | Ceramic | |
| Weight | Approx. 1.6 kg | |
| Frequency | 50 / 60 Hz | |
| Applicable standard | IEC 60282-1 / VDE T402 | |
| EAN | 3605340537611 | |
| HS Code | 85351000 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen R1032945 used for?
The Mersen R1032945 is a DIN high voltage back-up fuse-link designed to protect medium voltage transformers against damaging short-circuit currents.
What are the voltage and current ratings?
This fuse-link is rated at 12 kV AC with a continuous current rating of 10 A.
What makes the Limitor®-PTS series different?
The Limitor®-PTS range combines low power dissipation with an integrated thermal striker to reduce heating inside switchgear while maintaining dependable transformer protection.
Does the R1032945 include a thermal striker?
Yes. It incorporates an integrated 80 N thermal striker for compatible switchgear tripping and indication mechanisms.
What are the physical dimensions?
The fuse-link measures 56 mm in diameter and 292 mm in length.
Trusted by Power Distribution Engineers Worldwide
Mersen Limitor®-PTS fuse-links are trusted by utilities, switchgear manufacturers and industrial engineers worldwide for dependable transformer protection, low power dissipation and reliable medium voltage fault interruption.
