Mersen A70QS150-4KIL - High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 150A Bolted Blade IL Indicator 4K
Mersen

A70QS150-4KIL

Alternate Item Number: A70QS150-4KIL

UPC: 782001320294


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Overview

The Mersen A70QS150-4KIL Amp-Trap® high-speed fuse, SKU A70QS150-4KIL, is engineered for superior protection of 700V solid-state equipment. Developed to meet new equipment requirements, this fuse offers significantly lower I²t values, providing enhanced protection against overcurrents and short circuits. Its superior cycling ability ensures a longer, more reliable service life when subjected to cyclic loading, a common challenge in applications like motor drives and UPS systems. The A70QS series also boasts lower watts loss, contributing to cooler operation and increased system efficiency. With a robust 700VAC/VDC voltage rating and a 150A current rating, it offers design versatility for various industrial applications. The bolted blade connection type ensures secure mounting, and the integrated IL indicator provides visual confirmation of fuse status. Manufactured in the US, this Mersen fuse is a critical component for safeguarding dynamic power electronics, offering a balance of protection, longevity, and efficiency. It is ideal for protecting 700V or less motor drives, UPS, and inverters, meeting UL recognized component standards and CSA certification.
  • Very Low I²t for improved equipment protection
  • Superior cycling ability for long, reliable life on high cyclic loading
  • Low watts loss for cooler operation
  • 700V AC/DC rating for greater design versatility
  • Bolted blade connection with IL indicator

Specifications

AC Voltage Rating
700 V
Amperage Rating
150 A
Application
Protection of 700V or less motor drives, UPS, inverters, etc.
Brand Name
Mersen
Case
GMG
Case Material
GMG
Connection
Blade
DC Voltage Rating
700 V
Mounting
Bolted
Mounting
Bolt
Size
5.09 x 1.22 in
Size
129.286 x 30.988 mm
Size
5.09 x 1.22;129.286 x 30.988 in;mm
Special Features
Very Low I2t for improved protection of equipment Superior cycling ability for long, reliable life on high cyclic loading Low watts loss for cooler operation 700V AC/DC rating gives greater design versatility Ultra compact sizes allow down-sizing of existing equipment
Standard
UL recognized component, AC/DC UL file E60314 AC: guide no. JFHR2 DC: tested to UL standard 198L parameters (35-800A) CSA certified File LR 12636
Sub Brand
Amp-Trap®
Type
Round Body High-Speed Fuse-Links AC Protection
Type Of Indicators
IL Indicator
Voltage Rating
700 V
Voltage Rating
700 V V
Package Dimensions (L x W x H)
5.09 in x 1.22 in x 1.22 in
Package Dimensions (L x W x H)
129.286 mm x 30.988 mm x 30.988 mm
Package Weight (Imperial)
0.750 lb
Package Weight (Metric)
0.340 kg
High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 200A Bolted Blade IL Indicator 4K

A70QS200-4KIL

High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 200A Bolted Blade IL Indicator 4K
High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 150A Bolted Blade IL Indicator

A70QS150-4IL

High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 150A Bolted Blade IL Indicator
High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 200A Bolted Blade 4K

A70QS200-4K

High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 200A Bolted Blade 4K
High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 150A Bolted Blade

A70QS150-4

High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 150A Bolted Blade
High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 80A Bolted Blade IL Indicator

A70QS80-4IL

High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 80A Bolted Blade IL Indicator

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.