Mersen STG-V2 - Miniature fuse STG-V - Time-Delay 350VAC 2A
Mersen

STG-V2

Alternate Item Number: STG-V2

UPC: 782001245580

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Minimum Qty: 10

Multiplier: 10

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Overview

The Mersen STG-V2 miniature fuse (SKU: STG-V2) is a critical component for reliable circuit protection in a wide array of industrial and electronic applications. Engineered by Mersen, a globally recognized leader in electrical protection and power management, this fuse offers robust performance and dependable safety. Designed with a time-delay characteristic, the STG-V2 fuse is specifically built to withstand temporary inrush currents that can occur during equipment startup or load fluctuations, without unnecessarily interrupting the circuit. This makes it ideal for protecting sensitive electronic equipment, motors, and power supplies where nuisance tripping is undesirable. The fuse's glass construction provides clear visual indication of a blown element, simplifying troubleshooting and maintenance procedures. Key specifications include a maximum voltage rating of 350VAC and a current rating of 2A, making it suitable for low to medium power circuits. Its compact 5x15mm form factor ensures compatibility with a broad range of fuse holders and compact electronic assemblies. The time-delay functionality is crucial for applications requiring a balance between overcurrent protection and tolerance for transient surges. Applications for the Mersen STG-V2 fuse span numerous industries, including: * **Consumer Electronics:** Protecting power supplies, internal circuitry, and control boards. * **Industrial Automation:** Safeguarding control panels, PLCs, and sensor systems. * **Telecommunications:** Ensuring the integrity of power distribution units and network equipment. * **Medical Devices:** Providing essential safety for sensitive diagnostic and therapeutic equipment. * **Lighting Control Systems:** Protecting ballasts and drivers from overcurrent events. When selecting a fuse, professionals consider the operating voltage, expected current draw, and the nature of potential fault conditions. The time-delay feature of the STG-V2 is a significant advantage in applications where motor start-up currents or capacitive loads are common. Mersen's reputation for quality and innovation in fuse technology ensures that the STG-V2 meets stringent performance standards, offering peace of mind and safeguarding valuable equipment. Choosing the right fuse is paramount for system reliability and safety. The Mersen STG-V2 provides a dependable solution for applications demanding precise overcurrent protection with an allowance for temporary current surges. Its robust construction and established performance characteristics make it a preferred choice for engineers and technicians worldwide.
  • Mersen STG-V2 Miniature Fuse
  • Time-Delay Characteristic for Inrush Current Tolerance
  • 350VAC Voltage Rating
  • 2A Current Rating
  • Compact 5x15mm Glass Construction

Specifications

AC Voltage Rating
350 V
Amperage Rating
2 A
Application
Electronic circuits
Brand Name
Mersen
Class
Supplemental
Connection
Ferrule
Current Rating
2 A
Material
Glass
Mounting
Clip
Series
STG-V
Size
4 x 0.18 in
Size
101.6 x 4.572 mm
Size
5x15 mm
Special Features
Glass body Time-delay 5 x 15 mm
Standard
1/2A through 7A, 350VAC, UL and CSA Recognized
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
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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.