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Overview
- Provides dead-front electrical safety by covering exposed fuse clips and terminals.
- Designed for Class R, K, and H fuses, rated for 250 VAC and 100A.
- Constructed from durable polycarbonate for long-lasting protection.
- Reusable design simplifies fuse replacement and reduces waste.
- Includes a blank label for circuit identification and optional open-fuse indication.
Specifications
AC Voltage Rating | 250 V |
Amperage Rating | 100 A |
Application | To be placed on the fuse for safety |
Brand Name | Ferraz Shawmut |
DC Voltage Rating | 250 V |
Mounting | Snap-on |
Phase | 1 |
Size | 8.73 x 1.4 x 2.02 in |
Size | 221.742 x 35.56 x 51.308 mm |
Special Features | Innovative design provides dead-front electrical safety to personnel Optional orange indicator light shows open fuse Many sizes to fit virtually all popular fuses/fuse blocks Reusable with no changes or additional cost Labels provided for write-in identification Thermoplastic flammability rating of UL 94-V2 Low leakage current <0.6 mA at 600V |
Standard | UL Listed (All except midget size) guide JDVS, File E90426 UL Recognized Component (midget) guide JDVS2, File E90426 CSA Certified class 6228, File 70159 |
Type | Dead-Front Fuse Covers |
Type | Dead Front Cover |
Voltage Rating | 250 VAC |
Package Dimensions (L x W x H) | 8.73 IN x 1.4 IN x 2.02 IN |
Package Dimensions (L x W x H) | 22.1742 cm x 3.556 cm x 5.1308 cm |
Package Weight (Imperial) | 0.150 L |
Package Weight (Metric) | 0.068 kg |
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.