Mersen A15QS3500-128SIL - A15QS Amp-trap Form 101 Semiconductor Protection fuses were designed for the specific protection of diodes and other semiconductor devices rated 150VAC/DC.The A15QS product line's compact design is perfect for those applications that have limitations on available space. 150 Volts 3500 amps with IL indicator.
Mersen

A15QS3500-128SIL

Alternate Item Number: 782001441883

UPC: 782001441883

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Overview

The Mersen A15QS3500-128SIL Amp-trap Form 101 Semiconductor Protection Fuse is a critical component engineered for the robust and reliable protection of sensitive semiconductor devices. Specifically designed for diodes, thyristors, SCRs, and other power semiconductors operating at up to 150VAC/DC, this fuse offers superior safety and operational integrity in demanding industrial environments. Its primary function is to rapidly interrupt fault currents, thereby preventing catastrophic damage to expensive semiconductor components and safeguarding the entire electrical system. The A15QS product line, including the A15QS3500-128SIL, is distinguished by its exceptionally compact design. This feature is paramount in applications where space is a premium, such as in compact power supplies, variable speed drives, motor control centers, and other densely packed electronic assemblies. The reduced footprint allows for greater design flexibility and enables manufacturers to optimize panel layouts without compromising on protection levels. With a substantial current rating of 3500 amps, this fuse is well-suited for high-power applications where significant inrush currents and potential fault conditions are anticipated. The Form 101 designation signifies a specific construction and performance characteristic tailored for semiconductor protection, ensuring fast-acting interruption capabilities to minimize the damaging effects of overcurrents. This rapid response is crucial for preserving the lifespan and functionality of semiconductor devices, which are particularly vulnerable to transient overloads. A key operational benefit of the A15QS3500-128SIL is the integrated IL indicator. This visual indicator provides an immediate and clear indication when the fuse has blown, significantly simplifying troubleshooting and maintenance procedures. Technicians can quickly identify a faulty fuse without the need for specialized testing equipment, reducing downtime and improving overall system availability. This feature enhances safety by ensuring that blown fuses are promptly replaced, preventing potential cascading failures. Mersen is a globally recognized leader in electrical protection solutions, and the Amp-trap series exemplifies their commitment to quality, innovation, and reliability. The A15QS fuses are manufactured to stringent standards, ensuring consistent performance and durability. When selecting semiconductor protection fuses, professionals rely on Mersen for their proven track record and advanced product offerings. The A15QS3500-128SIL is an ideal choice for applications in renewable energy systems, industrial automation, telecommunications infrastructure, and any sector that depends on the reliable operation of high-power semiconductor electronics. Key Specifications and Benefits: * **Voltage Rating:** 150VAC/DC, suitable for a wide range of DC and AC semiconductor circuits. * **Current Rating:** 3500 Amps, providing ample capacity for high-power systems. * **Form 101 Designation:** Optimized for fast-acting semiconductor protection. * **Compact Design:** Ideal for space-constrained enclosures and equipment. * **IL Indicator:** Facilitates quick visual identification of blown fuses, simplifying maintenance. * **Manufacturer:** Mersen, a trusted name in electrical protection. * **Application Versatility:** Protects diodes, thyristors, SCRs, and other semiconductor devices. * **Enhanced System Reliability:** Minimizes damage from overcurrents, extending component life. * **Reduced Downtime:** Rapid fault interruption and easy status indication contribute to faster issue resolution.
  • Mersen A15QS3500-128SIL Amp-trap Form 101 Semiconductor Protection Fuse
  • Designed for 150VAC/DC semiconductor devices like diodes and SCRs
  • High current rating of 3500 Amps for robust overcurrent protection
  • Compact design ideal for space-limited applications
  • Features an integrated IL indicator for easy blown fuse identification

Specifications

Amperage Rating
3500 A
Application
Protection of AC/DC drives, UPS, Rectifiers and other equipment of 150 volts or less
Brand Name
Ferraz Shawmut
Connection
Hockey Puck
Mounting
Bolted
Special Features
Low I²t minimizes damage to protected components on short circuit. Controlled arc voltage reduces stress to circuit components during fuse clearing. Choice of mounting types provides options for unique termination requirements
Standard
UL Recognized Component Guide JFHR8, File E60314 Some Ratings RoHS Compliant
Type
North American Round Style
Type Of Indicators
IL Indicator
Voltage Rating
150 VAC
Package Dimensions (L x W x H)
1.88 IN x 3.5 IN x 3.5 IN
Package Dimensions (L x W x H)
4.7752 cm x 8.89 cm x 8.89 cm
Package Weight (Imperial)
3.300 L
Package Weight (Metric)
1.497 kg
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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.

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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.