MERSEN FUSE H 729P BCKUP 192-88/200 45DB72V200P

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.

SKU: S1000102Alt SKU: 45DB72V200PMPN: S1000102
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List Price £205.48 ex VAT
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£139.33 32% OFF
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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

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
Device Type Fuse link
Fuse Type High voltage
Current 200 A
Voltage 7200 V

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.

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