Mersen A70QS35-4 High Speed Fuse Amp-Trap® A70QS 700VAC 700VDC 35A Bolted Blade
Alternate Item Number: A70QS35-4
UPC: 782001948603
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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
- 700VAC/VDC voltage rating for AC and DC circuit compatibility
- 35A current rating with 200kA IR AC and 100kA IR DC interrupting ratings
- Very low I²t for improved protection of sensitive semiconductor equipment
- Superior cycling ability for reliable performance under high cyclic loading
- Low watts loss for cooler operation and extended service life
Specifications
AC Voltage Rating | 700 V |
Amperage Rating | 35 A |
Application | Protection of 700V or less motor drives, UPS, inverters, etc. |
Brand Name | Mersen |
Case | GMG |
Case Material | GMG |
Connection | Blade |
Connection Type | Bolted Blade |
Current Rating | 35A |
DC Voltage Rating | 700 V |
Mounting | Bolted |
Mounting | Bolt |
Series | Amp-Trap |
Size | 4.38 x 1 in |
Size | 111.252 x 25.4 mm |
Size | 4.38 x 1;111.252 x 25.4 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 |
Voltage Rating | 700 V V |
Voltage Rating | 700 V |
Package Dimensions (L x W x H) | 4.38 in x 1 in x 1 in |
Package Dimensions (L x W x H) | 111.252 mm x 25.4 mm x 25.4 mm |
Package Weight (Imperial) | 0.510 lb |
Package Weight (Metric) | 0.231 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.
Frequently Asked Questions
What is the voltage rating for A70QS fuses?
A70QS fuses have a 700V AC/DC rating, offering design versatility.
What is the ampere range for A70QS fuses?
The ampere rating for A70QS fuses ranges from 35A to 800A.
What is the interrupting rating (I.R.) for A70QS fuses?
The interrupting rating is 200kA I.R. AC and 100kA I.R. DC.
What is the LR rating for A70QS fuses?
The LR rating for A70QS fuses is 10ms.
What are the main benefits of A70QS fuses?
Benefits include very low I2t for improved protection, superior cycling ability, and low watts loss for cooler operation.
What applications are A70QS fuses suitable for?
They are suitable for protecting 700V or less motor drives, UPS, and inverters.
Are A70QS fuses UL recognized?
Yes, A70QS fuses are UL recognized components, AC/DC UL file E60314.
Are A70QS fuses CSA certified?
Yes, A70QS fuses are CSA certified under File LR 12636.
What does the '4K' in the catalog number signify?
The '4K' in the catalog number indicates a specific mounting type for the fuse.
Can A70QS fuses be used with indicators?
Yes, A70QS fuses are available with an indicator option (IL).
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.