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Overview
- Mersen FSM44/100 multi-meter fuse
- 0.44A rating, 1000VAC/DC voltage
- 10x35mm / 10x38mm ferrule size
- UL Recognized component (File E60314)
- Fast-acting, current-limiting protection
Specifications
AC Voltage Rating | 1000 V |
Amperage Rating | 0.44 A |
Application | Multi-meters |
Body Material | GMG |
Brand Name | Mersen |
Class | Midget |
Connection | Ferrule |
Connection Material | Tin-Plated Copper |
Connection Type | Ferrule |
Current Rating | 0.44A |
DC Voltage Rating | 1000 V |
Fuse Class | Midget |
Interrupt Rating | 20 kA |
Material | Glass Melamine |
Material | Ferrule |
Mounting | Clip |
Series | FSM |
Size | 10x35/10x38 |
Size | 10x35/10x38mm |
Size | 1.5 x 0.41 in |
Size | 38.1 x 10.414 mm |
Special Features | For the protection of multi-meters 1000V AC/DC for full range protection 100 Current rated for continuous current with L/R = 10mS carrying capability Glass melamine body and plated terminals provide superior reliability and performance |
Standard | UL Recognized Component File E60314 |
Type | Midget Fuses |
Voltage Rating | 1000 VAC |
Package Dimensions (L x W x H) | 1.5 in x 0.41 in x 0.41 in |
Package Dimensions (L x W x H) | 38.1 mm x 10.414 mm x 10.414 mm |
Package Weight (Imperial) | 0.016 lb |
Package Weight (Metric) | 0.007 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 voltage ratings does the FSM44/100 support?
The FSM44/100 supports 1000VAC and 1000VDC voltage ratings.
What is the interrupting rating of the FSM44/100?
The FSM44/100 has a 20kA interrupting rating.
What fuse sizes does the FSM line cover?
The FSM line covers 44/100A, 11A, and 15A amperage ratings.
Is the FSM44/100 UL recognized?
Yes, the FSM44/100 is UL Recognized under component File E60314.
What are the dimensions of the FSM44/100?
The FSM44/100 uses a 10x35/10x38mm ferrule-style fuse.
What applications is the FSM44/100 suitable for?
The FSM44/100 is designed for power electronics metering and control applications.
Does the FSM44/100 replace other fuse models?
Yes, the FSM44/100 replaces Bussmann DMM-B and Littelfuse FLU models.
What is the fuse body material?
The FSM44/100 has a glass melamine body.
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.