MERSEN FUSE 1209P CPASJB 45/76.442 200 45ASB120V200P-3

MERSEN FUSE 1209P CPASJB 45/76.442 200 45ASB120V200P-3

Mersen L076485 Limitor aSJB/D high voltage motor protection fuse rated at 12 kV AC and 200 A with a 20 N striker for medium voltage motor applications.

SKU: L076485MPN: L076485
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Why Choose the Mersen L076485 High Voltage Motor Protection Fuse?

The Mersen L076485 is a premium high voltage back-up fuse for motor protection engineered to safeguard medium voltage motors against damaging short-circuit currents. As part of the proven Mersen Limitor® aSJB/D series, it is specifically designed to withstand the repeated inrush currents associated with motor starting whilst providing rapid current-limiting protection under fault conditions.

Manufactured in accordance with IEC 60644, the L076485 features pure silver fuse elements, silver-plated brass end caps and a melamine fibreglass body to deliver dependable electrical performance and long service life. Its integrated 20 N striker enables operation with compatible switchgear mechanisms, enhancing system protection and operational safety.

With a rated voltage of 12 kV AC, a 200 A current rating and a robust 76 mm × 442 mm fuse size, the Mersen L076485 is ideally suited to protecting medium voltage motors in industrial processing plants, mining operations, utilities and heavy manufacturing environments.

Key Advantages

  • Purpose-designed for medium voltage motor protection.
  • 12 kV AC rated voltage for industrial power systems.
  • 200 A rated current for high power motor applications.
  • Current-limiting design helps reduce fault energy and equipment damage.
  • Integrated 20 N striker for compatible switchgear mechanisms.
  • Engineered to withstand repeated motor starting currents.

Key Features

  • Mersen Limitor® aSJB/D motor protection fuse.
  • Catalogue number: 45ASB120V200P-3.
  • 12 kV AC rated voltage.
  • 200 A rated current.
  • 76 mm diameter × 442 mm fuse size.
  • Integrated 20 N striker.
  • Melamine fibreglass insulating body.
  • Pure silver fuse elements with silver-plated brass terminals.

Reliable Protection for Medium Voltage Motors

Motor protection fuse-links are specifically designed to tolerate repeated motor starting currents whilst rapidly interrupting damaging short-circuit faults. Their current-limiting characteristics help protect motors, switchgear, cables and associated electrical equipment from excessive thermal and mechanical stress.

The Mersen Limitor® aSJB/D range has been developed for demanding industrial motor applications, providing dependable protection, high breaking capacity and long operational life in medium voltage installations.

Typical Applications

  • Medium voltage motor protection.
  • Motor control centres.
  • Industrial switchgear.
  • Mining and heavy industry.
  • Power generation facilities.
  • Water treatment and utility installations.

Technical Specifications

Voltage 120 V
Manufacturer Mersen
Series Limitor® aSJB/D
Model L076485
Catalogue number 45ASB120V200P-3
Product type High voltage motor protection back-up fuse
Rated voltage 12 kV AC
Rated current 200 A
Frequency 50 / 60 Hz
Fuse size Ø76 mm × 442 mm
Overall length 508 mm
Breaking capacity 50 kA AC
Minimum breaking current 1300 A
Operating I²t 720 kA²s
Power dissipation 62 W @ 0.7 In
Mounting Clip
Striker force 20 N
Body material Melamine fibreglass
Fuse element material Pure silver
Terminal material Silver-plated brass
Product weight Approx. 4.2 kg
EAN 3605340018004
Standards IEC 60644
RoHS compliant Yes
Device Type Fuse link
Fuse Type High voltage
Current 200 A

Frequently Asked Questions

What is the Mersen L076485 used for?

The L076485 is designed to protect medium voltage motors against damaging short-circuit currents whilst withstanding repeated motor starting currents.

What voltage is this fuse rated for?

The Mersen L076485 has a rated operating voltage of 12 kV AC.

What is the current rating?

This fuse has a continuous current rating of 200 A.

Does the L076485 include a striker?

Yes. It incorporates an integrated 20 N striker for operation with compatible switchgear mechanisms.

How does a motor protection fuse differ from a transformer fuse?

Motor protection fuse-links are specifically designed to withstand repeated motor starting currents whilst providing rapid interruption of high fault currents.

Trusted by Industrial Motor Protection Specialists

Mersen Limitor® aSJB/D high voltage motor protection fuse-links are trusted worldwide by OEMs, utilities and industrial engineers for dependable short-circuit protection and long service life in demanding medium voltage motor applications.

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