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MERSEN FUSE H 729P BCKUP 192-88/200 45DB72V200P
Mersen S1000102 Limitor-P DIN high voltage back-up fuse-link for transformer protection. Rated 7.2 kV AC and 200 A with an 88 mm diameter, 192 mm length and standard 80 N striker.
£143.84
Why Choose the Mersen S1000102 High Voltage Transformer Fuse?
The Mersen S1000102 is a premium DIN high voltage back-up fuse-link engineered to protect transformers and medium voltage equipment against damaging short-circuit currents. As part of the trusted Mersen Limitor®-P series, it provides dependable current-limiting performance for medium voltage switchgear, substations and industrial power distribution systems.
Designed in accordance with IEC 60282-1, the S1000102 is specifically intended for transformer protection. Manufactured using pure silver fuse elements, silver-coated copper contact caps and a durable ceramic body, it delivers reliable fault interruption, excellent electrical performance and long service life in demanding industrial and utility environments.
Rated at 7.2 kV AC and 200 A, the Mersen S1000102 is suitable for medium voltage transformer protection. Its 88 mm diameter, 192 mm fuse length and integrated 80 N standard striker enable straightforward installation into compatible DIN fuse bases and switchgear.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- 7.2 kV AC rated voltage for industrial and utility power systems.
- 200 A rated current.
- Current-limiting design reduces damaging fault energy.
- Integrated 80 N standard striker for compatible switchgear tripping.
- Pure silver fuse elements ensure dependable interruption.
- Robust ceramic construction for long operational life.
- Manufactured in accordance with IEC 60282-1.
Key Features
- Mersen Limitor®-P back-up fuse series.
- Catalogue number: 45DB72V200P.
- 7.2 kV AC rated voltage.
- 200 A rated current.
- 88 mm fuse diameter.
- 192 mm fuse length.
- Integrated 80 N standard striker.
- Pure silver fuse elements.
- Silver-coated copper contact caps.
- High-strength ceramic body.
Reliable Protection for Medium Voltage Transformers
The Mersen S1000102 rapidly interrupts high prospective short-circuit currents before excessive thermal or mechanical stress can damage transformers, switchgear or associated equipment. Its current-limiting characteristics help minimise fault energy while maintaining dependable protection for valuable electrical assets.
As a high voltage back-up fuse-link, the S1000102 is intended for coordinated transformer protection and should be used alongside suitable overload protection. The integrated striker enables compatible switchgear trip mechanisms or indication systems to operate when the fuse has interrupted a fault.
Typical Applications
- Medium voltage transformer protection.
- Industrial switchgear.
- Utility substations.
- Power distribution systems.
- Renewable energy installations.
- Manufacturing facilities.
- Commercial infrastructure.
- OEM medium voltage equipment.
Technical Specifications
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| Device Type | Fuse link | |
|---|---|---|
| Fuse Type | High voltage | |
| Current | 200 A | |
| Voltage | 7200 V | |
| Manufacturer | Mersen | |
| Series | Limitor®-P Back-up Fuses | |
| Model | S1000102 | |
| Catalogue number | 45DB72V200P | |
| Product type | DIN high voltage back-up fuse-link | |
| Primary application | Transformer protection | |
| Rated voltage | 7.2 kV AC | |
| Rated current | 200 A | |
| Breaking capacity | 63 kA | |
| Clearing I²t | 690 kA²s | |
| Minimum breaking current | 610 A | |
| Cold resistance | 2.5 mΩ | |
| Power dissipation at rated current | 200 W | |
| Fuse diameter | 88 mm | |
| Fuse length | 192 mm | |
| Striker | Standard 80 N | |
| Fuse element material | Pure silver | |
| Contact cap material | Silver-coated copper | |
| Body material | Ceramic | |
| Weight | Approx. 2.9 kg | |
| Frequency | 50 / 60 Hz | |
| Applicable standard | IEC 60282-1 | |
| EAN / UPC | 3605340452754 | |
| RoHS compliant | Yes | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen S1000102 used for?
The Mersen S1000102 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 7.2 kV AC with a continuous current rating of 200 A.
Does the S1000102 include a striker?
Yes. It incorporates a standard 80 N striker for operation of compatible switchgear tripping or indication mechanisms.
What are the physical dimensions?
The fuse-link measures 88 mm in diameter and 192 mm in length.
Which standard does the fuse comply with?
The S1000102 is manufactured as a high voltage back-up fuse-link in accordance with IEC 60282-1.
Trusted by Power Distribution Engineers Worldwide
Mersen Limitor® high voltage fuse-links are trusted by utilities, switchgear manufacturers and industrial engineers worldwide for dependable transformer protection and reliable medium voltage fault interruption.
