MERSEN FUSE 500V CP 10X38 AM 4A S/I W219232

MERSEN FUSE 500V CP 10X38 AM 4A S/I W219232

Mersen FR10AM50V4 10×38 mm aM cylindrical fuse-link rated at 4 A and 500 V AC for industrial motor circuit protection.

SKU: FR10AM50V4Alt SKU: FR10AM50V4MPN: W219232
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Why Choose the Mersen FR10AM50V4 Cylindrical Fuse?

The Mersen FR10AM50V4 is a high-performance 10×38 mm aM cylindrical fuse-link designed to provide dependable short-circuit protection for motor circuits and industrial electrical equipment. Manufactured by Mersen, this fuse forms part of the trusted FR10 aM series, offering exceptional current limiting performance and reliable protection for motor starters, switchgear and industrial control panels.

Designed in accordance with IEC standards, the FR10AM50V4 features a robust ceramic body with silver-plated contacts for excellent electrical conductivity and long service life. As an aM partial-range fuse, it is specifically engineered to protect motors against high fault currents whilst allowing normal motor starting currents to pass without nuisance operation.

With a 4 A current rating, 500 V AC rated voltage and 120 kA breaking capacity, this industrial fuse delivers reliable protection for demanding applications where motor circuits require high fault interruption capability.

Key Advantages

  • Designed specifically for motor circuit short-circuit protection.
  • 4 A current rating for industrial motor applications.
  • 500 V AC IEC rated voltage.
  • aM characteristic allows motor starting currents whilst protecting against faults.
  • 120 kA breaking capacity for excellent fault interruption.
  • High-quality ceramic construction with silver-plated end caps.

Key Features

  • Mersen FR10 aM series.
  • 10 × 38 mm cylindrical fuse-link.
  • 4 A rated current.
  • 500 V AC rated voltage.
  • aM partial-range motor protection characteristic.
  • Ceramic body for excellent thermal performance.
  • Silver-plated contacts for reliable conductivity.
  • Suitable for industrial motor protection and switchgear applications.

Reliable Protection for Industrial Motor Circuits

The Mersen FR10AM50V4 is designed to protect motors, contactors and associated switchgear from destructive short-circuit currents. Its aM operating characteristic permits the high inrush current required during motor starting whilst rapidly clearing dangerous fault currents before equipment damage occurs.

Its compact 10 × 38 mm format makes it suitable for installation in industrial control panels, machinery and OEM equipment where dependable motor protection and compliance with international standards are essential.

Typical Applications

  • Motor starter protection.
  • Industrial control panels.
  • Motor control centres (MCCs).
  • Machine building and OEM equipment.
  • Industrial switchgear.
  • Automation systems and production machinery.

Technical Specifications

Current 4 A
Voltage 500 V
Manufacturer Mersen
Series FR10 aM
Model FR10AM50V4
Product type Cylindrical fuse-link
Fuse characteristic aM
Current rating 4 A
Rated voltage 500 V AC
Breaking capacity 120 kA
Fuse size 10 × 38 mm
Body material Ceramic
Contact material Silver-plated
Standards IEC cylindrical fuse-link
Mounting Suitable for compatible 10 × 38 mm fuse holders
RoHS compliant Yes
HS Code 85361010
Device Type Fuse link
Fuse Type Cylindrical
Fuse Size 10x38 mm
Fuse Class aM

Frequently Asked Questions

What is the Mersen FR10AM50V4 used for?

The FR10AM50V4 is designed to provide short-circuit protection for industrial motor circuits, contactors and associated electrical equipment.

What does the aM fuse characteristic mean?

An aM fuse is a partial-range motor protection fuse designed to withstand normal motor starting currents whilst providing high-performance short-circuit protection.

What is the current rating of this fuse?

The Mersen FR10AM50V4 has a rated current of 4 A.

What voltage is the fuse rated for?

This fuse is rated for operation on systems up to 500 V AC.

What fuse holder does this product fit?

The FR10AM50V4 is designed for standard 10 × 38 mm cylindrical fuse holders used in industrial electrical installations.

Trusted by Electrical Professionals Worldwide

Mersen cylindrical fuse-links are trusted by panel builders, OEM manufacturers and maintenance engineers worldwide for dependable motor protection, exceptional fault interruption capability and long-term reliability in demanding industrial environments.

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