Mersen SMG-V3 - Miniature fuse SMG-V - Fast Acting 350VAC 3A
Mersen

SMG-V3

Alternate Item Number: SMG-V3

UPC: 782001237660

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Minimum Qty: 10

Multiplier: 10

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Overview

The Mersen SMG-V3 miniature fuse is a critical component for protecting sensitive electronic circuits and equipment from overcurrent and short-circuit conditions. Engineered for rapid response, this fast-acting fuse is designed to interrupt fault currents quickly, minimizing damage to connected devices and ensuring operational safety. With a voltage rating of 350VAC and a current rating of 3A, the SMG-V3 is suitable for a wide array of industrial and commercial applications where reliable overcurrent protection is paramount. Constructed with a durable glass body, the SMG-V3 offers excellent visibility of the fuse element, allowing for easy visual inspection to determine if a fuse has blown. Its compact 5x15mm size makes it ideal for space-constrained applications, commonly found in power supplies, control panels, instrumentation, and various electronic assemblies. The fast-acting characteristic ensures that it will blow almost instantaneously when an overcurrent event occurs, providing superior protection compared to time-delay fuses in applications requiring immediate fault interruption. Mersen is a globally recognized leader in electrical protection and power management solutions, renowned for its commitment to quality, reliability, and innovation. The SMG-V3 fuse benefits from this extensive expertise, offering a dependable solution for demanding environments. Professionals choose Mersen fuses for their consistent performance and adherence to stringent industry standards. Key features and benefits of the Mersen SMG-V3 fuse include: * **Fast-Acting Protection:** Designed to interrupt fault currents rapidly, safeguarding sensitive components. * **350VAC Voltage Rating:** Suitable for a broad range of AC power applications up to 350 volts. * **3A Current Rating:** Provides precise overcurrent protection for circuits requiring this specific amperage. * **Durable Glass Construction:** Offers visual indication of fuse status and robust physical integrity. * **Compact 5x15mm Size:** Facilitates integration into compact electronic designs and crowded enclosures. * **Reliable Manufacturer:** Backed by Mersen's reputation for high-quality electrical protection devices. Typical applications for the Mersen SMG-V3 fuse span across numerous industries, including: * **Industrial Automation:** Protecting control systems, PLCs, and motor drives. * **Telecommunications:** Safeguarding power supplies and communication equipment. * **Medical Devices:** Ensuring the safety and reliability of critical medical instrumentation. * **Consumer Electronics:** Providing overcurrent protection in various electronic appliances. * **Test and Measurement Equipment:** Protecting sensitive diagnostic and analytical instruments. When selecting a fuse, it is crucial to consider the operating voltage, expected normal current, and the potential fault current levels of the circuit. The SMG-V3's specifications make it a strong candidate for applications where fast and reliable interruption of overcurrents is essential. Its straightforward installation, typically via fuse holders or directly soldered into circuit boards, further enhances its utility. Trust Mersen for your critical circuit protection needs with the SMG-V3 miniature fuse.
  • Fast-acting miniature fuse for rapid overcurrent interruption
  • 350VAC voltage rating suitable for various AC power applications
  • 3A current rating for precise circuit protection
  • Durable glass body with visible fuse element for easy inspection
  • Compact 5x15mm size ideal for space-constrained designs

Specifications

AC Voltage Rating
350 V
Amperage Rating
3 A
Application
Electronic circuits
Brand Name
Mersen
Class
Supplemental
Connection
Ferrule
Current Rating
3 A
Material
Glass
Mounting
Clip
Series
SMG-V
Size
4 x 0.18 in
Size
101.6 x 4.572 mm
Size
5 x 15 mm
Special Features
Glass body Fast Acting 5 x 15 mm
Standard
1/2A through 7A, 350VAC, UL and CSA Recognized 8A & 10A 125 VAC
Type
4.5x14.5mm
Voltage Rating
350 VAC
Package Dimensions (L x W x H)
4 in x 0.18 in x 0.18 in
Package Dimensions (L x W x H)
101.6 mm x 4.572 mm x 4.572 mm
Package Weight (Imperial)
0.010 lb
Package Weight (Metric)
0.005 kg
Miniature fuse STG - Time-Delay 350VAC 3A

STG3

Miniature fuse STG - Time-Delay 350VAC 3A
SLO-BLO GLASS INDICA H-PACK 3A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: 313 and 315 series fuses have time-delayed in the overload range, which provides superior protection inductive loads such as motors, transformers, and solenoids. 3AG indicating fuses instantly identify themselves upon opening by showing a discoloration of their glass bodies. Guesswork and time-consuming circuit testing is eliminated. This unique design offers the same quality performance characteristics as the standard 3AG fuse design.

0313003.HXIDP

SLO-BLO GLASS INDICA H-PACK 3A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: 313 and 315 series fuses have time-delayed in the overload range, which provides superior protection inductive loads such as motors, transformers, and solenoids. 3AG indicating fuses instantly identify themselves upon opening by showing a discoloration of their glass bodies. Guesswork and time-consuming circuit testing is eliminated. This unique design offers the same quality performance characteristics as the standard 3AG fuse design.

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.