Mersen A25X1500-128 - A25X Amp-trap Semiconductor Protection fuses are intended for the protection of Power Semiconductors such as Diodes, Phase Control SCR's and other power Semiconductor devices 250 Volts 1500 Amps A25X series.
Mersen

A25X1500-128

Alternate Item Number: 782001942861

UPC: 782001942861

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Overview

The Mersen A25X1500-128 Amp-trap Semiconductor Protection Fuse is a critical component engineered for the robust protection of high-power semiconductor devices. Designed to safeguard sensitive electronics such as diodes, phase control SCRs (Silicon Controlled Rectifiers), and other advanced power semiconductor components, this fuse offers unparalleled reliability in demanding industrial environments. With a substantial current rating of 1500 Amps and a voltage rating of 250 Volts, the A25X1500-128 is specifically built to handle significant electrical loads and rapidly interrupt fault currents, thereby preventing catastrophic damage to expensive semiconductor equipment. This fuse belongs to Mersen's esteemed A25X series, a line renowned for its precision engineering and durable construction. The primary function of semiconductor fuses is to provide fast-acting protection against overcurrent and short-circuit conditions, which can arise from various operational anomalies or external electrical disturbances. By rapidly isolating the protected circuit, the A25X1500-128 minimizes energy let-through, significantly reducing the thermal stress and potential destruction of semiconductor junctions. This proactive protection is essential for maintaining the operational integrity and extending the service life of critical power electronic systems. Applications for the Mersen A25X1500-128 are widespread across numerous industrial sectors. It is an indispensable component in power supplies, motor drives, inverters, rectifiers, and other power conversion systems where semiconductor devices are central to operation. Industries such as manufacturing, renewable energy (solar and wind power conversion), electric transportation, and industrial automation rely heavily on the dependable protection offered by fuses like the A25X1500-128. The selection of an appropriate semiconductor fuse is a crucial step in the design and maintenance of any power electronic system, ensuring safety, reliability, and compliance with industry standards. Mersen, as a global leader in electrical protection and power management solutions, brings decades of expertise to the design and manufacturing of its Amp-trap fuses. The A25X series embodies this commitment to quality, offering fuses that are not only highly effective but also built to withstand harsh industrial conditions. Professionals choose Mersen for their semiconductor protection needs due to the brand's reputation for innovation, rigorous testing, and consistent performance. The A25X1500-128 is a testament to this legacy, providing peace of mind and robust protection for your most vital power semiconductor assets. Its specifications include: * **Voltage Rating:** 250V * **Current Rating:** 1500A * **Series:** A25X Amp-trap * **Application:** Protection of Power Semiconductors (Diodes, SCRs, etc.) Investing in high-quality semiconductor protection is an investment in the longevity and efficiency of your industrial operations. The Mersen A25X1500-128 Amp-trap fuse stands as a premier solution, delivering the critical protection your power semiconductor devices require.
  • Designed for superior protection of power semiconductor devices including diodes and SCRs.
  • Robust 1500 Amp current rating and 250 Volt voltage rating for high-power applications.
  • Fast-acting interruption to prevent damage from overcurrent and short-circuit events.
  • Part of Mersen's trusted A25X Amp-trap series, known for precision and durability.
  • Essential for industrial power supplies, motor drives, and power conversion systems.

Specifications

Brand Name
Ferraz Shawmut
Current Rating
1500 A
Series
A25X
Voltage Rating
250 V
Package Dimensions (L x W x H)
2.59 IN x 3.5 IN x 3.5 IN
Package Dimensions (L x W x H)
6.5786 cm x 8.89 cm x 8.89 cm
Package Weight (Imperial)
3.200 L
Package Weight (Metric)
1.452 kg
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

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.