Mersen A70Q400-4 High Speed Fuse Amp-Trap® A70Q 700VAC 650VDC 400A Bolted Blade
Alternate Item Number: A70Q400-4
UPC: 782001141042
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 400A current rating with 700VAC/650VDC voltage capability
- 100kA interrupting rating (AC/DC) for high-fault scenarios
- 10ms response time and lowest I²t in its class for fast protection
- Solid fill technology for reliable performance under cyclic loading
- Bolted blade mounting (P266A) for secure installation
Specifications
AC Voltage Rating | 700 V |
Amperage Rating | 400 A |
Application | Protection of inverters and other equipment requiring the best AC or DC protection in this voltage range |
Brand Name | Mersen |
Case | GMG |
Case Material | GMG |
Connection | Blade |
Connection Type | Bolted Blade |
Current Rating | 400 A |
Current Rating | 400A |
DC Voltage Rating | 650 V |
Mounting | Bolted |
Mounting | Bolt |
Mounting Type | Bolted Blade |
Series | A70Q |
Size | 5.09 x 2;129.286 x 50.8 in;mm |
Size | 5.09 x 2 in |
Size | 129.286 x 50.8 mm |
Special Features | Lowest I2t of any fuse in this voltage rating for best overall protection 700V AC, 650V DC rating allows protection of greater variety of circuits Solid fill technology for extra reliability in performance |
Standard | UL recognized component UL File E60314 AC: guide no. JFHR2 DC: tested to UL standard 198L parameters (35-600A) |
Sub Brand | Amp-Trap® |
Type | Round Body High-Speed Fuse-Links AC Protection |
Voltage Rating | 700 V V |
Voltage Rating | 700 V |
Package Dimensions (L x W x H) | 5.09 in x 2 in x 2 in |
Package Dimensions (L x W x H) | 129.286 mm x 50.8 mm x 50.8 mm |
Package Weight (Imperial) | 0.950 lb |
Package Weight (Metric) | 0.431 kg |
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Frequently Asked Questions
Is the A70Q400-4 UL recognized?
Yes, the A70Q400-4 is UL Recognized Component under UL File E60314.
What voltage ratings does the A70Q400-4 support?
The fuse is rated for 700VAC and 650VDC, covering a broad range of AC and DC circuits.
What is the current rating range for the A70Q series?
The A70Q series covers current ratings from 35A to 600A.
What is the interrupting rating of the A70Q400-4?
The A70Q400-4 has a 100kA interrupting rating for both AC and DC applications.
What is the response time of the A70Q400-4?
The A70Q400-4 operates with a 10ms response time, providing ultra-fast protection.
What applications is the A70Q400-4 designed for?
The fuse is ideal for protecting inverters, UPS systems, motor drives, and other semiconductor-based equipment.
What mounting type does the A70Q400-4 use?
The A70Q400-4 uses a bolted blade mounting type (P266A) for secure installation.
What is the I²t value of the A70Q400-4?
The A70Q400-4 offers the lowest I²t in its voltage class, ensuring optimal protection.
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.