MERSEN FUSE H 1209P BCKUP 442-65/80 45DB120V80P-3

MERSEN FUSE H 1209P BCKUP 442-65/80 45DB120V80P-3

Mersen P1006102 Limitor-P DIN high-voltage back-up fuse rated at 12 kV AC and 80 A with an 80 N striker for transformer protection.

SKU: P1006102Alt SKU: 45DB120V80P-3MPN: P1006102
Price
List Price £146.91 ex VAT
Your Price (ex VAT) Save 30%
£102.55 30% OFF
You save £44.36 per unit
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £102.55
Trade pricing is personalised to your account

Manufacturer Lead Time

£102.55

Why Choose the Mersen P1006102 Limitor®-P High Voltage Transformer Fuse?

The Mersen P1006102, catalogue number 45DB120V80P-3, is a premium DIN high voltage back-up fuse engineered specifically for protecting medium-voltage transformers against damaging short-circuit currents. Part of the trusted Mersen Limitor®-P range, it complies with IEC 60282-1 and delivers dependable current-limiting protection for high-voltage switchgear, substations and industrial power distribution systems.

Manufactured using pure silver fuse elements, silver-plated copper end caps and a high-strength ceramic body, the P1006102 offers exceptional electrical performance, excellent thermal stability and long operational life. Its integrated 80 N striker provides reliable mechanical indication and can operate compatible switchgear trip mechanisms for improved system safety.

Rated at 12 kV AC and 80 A, the Mersen P1006102 features an 88 mm diameter × 442 mm DIN fuse size with clip mounting. It is ideally suited for transformer protection within utilities, industrial facilities and OEM medium-voltage switchgear assemblies.

Key Advantages

  • Designed specifically for medium-voltage transformer protection.
  • 12 kV AC rated voltage for IEC high-voltage systems.
  • 80 A current rating.
  • Integrated 80 N striker for switchgear tripping and indication.
  • Premium silver fuse elements provide dependable performance.
  • 31.5 kA breaking capacity for reliable fault interruption.

Key Features

  • Mersen Limitor®-P back-up fuse.
  • Catalogue number: 45DB120V80P-3.
  • Item number: P1006102.
  • 12 kV AC IEC rated voltage.
  • 80 A rated current.
  • 88 mm diameter × 442 mm DIN fuse size.
  • Integrated 80 N striker.
  • Pure silver fuse elements.
  • Silver-plated copper cylindrical terminals.
  • High-strength ceramic insulating body.

Reliable Protection for Medium Voltage Transformers

Medium-voltage transformers require specialised protection capable of interrupting high fault currents before excessive thermal or mechanical damage occurs. The Mersen P1006102 is a current-limiting back-up fuse developed specifically for transformer protection, delivering rapid fault clearance while coordinating with other protective equipment throughout the electrical installation.

Its integrated striker enables compatible switchgear trip mechanisms or signalling devices to operate automatically following fuse operation, improving personnel safety and simplifying maintenance procedures. The ceramic construction and premium conductive materials provide dependable long-term performance in demanding industrial and utility environments.

Typical Applications

  • Medium-voltage transformer protection.
  • High-voltage switchgear.
  • Electrical substations.
  • Industrial power distribution systems.
  • Utility transformer installations.
  • OEM medium-voltage electrical equipment.

Technical Specifications

Voltage 120 V
Manufacturer Mersen
Series Limitor®-P Back-up Fuses
Item number P1006102
Catalogue number 45DB120V80P-3
Product type High voltage DIN back-up fuse
Application Transformer protection
Rated voltage 12 kV AC
Rated current 80 A
Current type AC
Fuse size Ø88 mm × 442 mm
Product diameter 88 mm
Overall product length 508 mm
Mounting type Clip mounting
Maximum AC breaking capacity 31.5 kA
Minimum interrupting rating 320 A
Clearing I²t 120 kA²s
Cold resistance 9.4 mΩ
Power dissipation at rated current 83 W
Design VDE T4
Indication system Yes
Indication type Standard striker
Striker force 80 N
Terminal material Silver-plated copper
Terminal type Cylindrical
Body material Ceramic
Standard IEC 60282-1
Product weight Approx. 2.3 kg
EAN 3605340483826
RoHS compliant Yes
HS Code 85351000
Device Type Fuse link
Fuse Type High voltage
Current 80 A

Frequently Asked Questions

What is the Mersen P1006102 used for?

The Mersen P1006102 is a high-voltage DIN back-up fuse designed specifically to protect medium-voltage transformers against damaging short-circuit currents.

What voltage is the P1006102 rated for?

The fuse has a rated operating voltage of 12 kV AC.

What is the current rating of the Mersen P1006102?

The P1006102 has a rated current of 80 A.

Does the P1006102 include a striker?

Yes. It includes a standard 80 N striker for operating compatible switchgear trip mechanisms and indication systems.

What is the breaking capacity of this fuse?

The Mersen P1006102 has a maximum AC breaking capacity of 31.5 kA.

Trusted for High Voltage Transformer Protection

Mersen Limitor®-P high-voltage transformer protection fuses are trusted by utilities, switchgear manufacturers and industrial engineers to provide dependable protection for transformers and medium-voltage electrical distribution systems.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...