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Mersen N214625 - Cylindrical fuse-link aM Size 14x51 IEC 500VAC 32A With Striker
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Mersen N214625 Cylindrical fuse-link aM Size 14x51 IEC 500VAC 32A With Striker

Alternate Item Number: FR14AM50V32P

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Minimum Qty: 10

Multiplier: 10

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Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen N214625 cylindrical fuse-link (SKU: N214625) is a 32A aM-rated fuse designed for industrial motor circuit protection in 500VAC systems. This IEC 14x51 size fuse-link features a ceramic body with silver-plated contacts for reliable conductivity and durability. With a rated breaking capacity of 120kA, it safely interrupts fault currents up to 120,000 amperes, ensuring robust short-circuit protection. The integrated striker mechanism activates auxiliary contacts upon fuse operation, enabling remote indication of fault conditions without additional sensors. Key specifications include a power dissipation of 2.05W at rated current, making it suitable for high-duty-cycle applications. The aM classification indicates this is a partial-range fuse, optimized for motor circuit protection where it limits fault currents to 6.3xIn while maintaining low thermal let-through values. This reduces stress on downstream equipment and minimizes downtime during fault events. Designed for compatibility with IEC cylindrical fuse holders, the N214625 integrates seamlessly with Mersen's Modulostar® and Compact fuse holder systems. Its 21g weight and compact 14x51mm dimensions allow for space-efficient panel mounting in switchgear and control cabinets. Typical applications include protection of motor starters, distribution circuits, and industrial machinery in 400-690VAC systems.
  • 32A rated current for motor circuit protection in 500VAC systems
  • 120kA breaking capacity for high-fault current interruption
  • 14x51mm IEC size with ceramic body and silver-plated contacts
  • Integrated striker activates auxiliary contacts upon operation
  • 2.05W power dissipation at rated current for thermal efficiency

Specifications

AC Voltage Rating
500 V
Amperage Rating
32 A
Application
aM type for protection of motors, transformers and other loads with in-rush currents.
Body Material
Ceramic
Brand Name
Mersen
Connection
Ferrule
Connection Material
Silver-Plated Copper
Current Rating
32 A
Interrupt Rating
120 kA
Material
Ceramic
Mounting
Clip
Series
aM
Size
2.01 x 0.56 in
Size
51 x 14.3 mm
Size
14X51
Special Features
Reduced size Striker version available for remote indication of fuse operation Safest and most reliable protection system
Standard
IEC 60269-1 & -2 Approved by Lloyd's Register of Shipping and Bureau Veritas
Type
IEC Cylindrical Fuse-Links
Type Of Indicators
Striker
Voltage Rating
500 VAC
Package Dimensions (L x W x H)
2.01 in x 0.56 in x 0.56 in
Package Dimensions (L x W x H)
51 mm x 14.3 mm x 14.3 mm
Package Weight (Imperial)
0.046 lb
Package Weight (Metric)
0.021 kg
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Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.