Mersen STG-V1 - Miniature fuse STG-V - Time-Delay 350VAC 1A
Mersen

STG-V1

Alternate Item Number: STG-V1

UPC: 782001245559

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Minimum Qty: 10

Multiplier: 10

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Overview

The Mersen STG-V1 miniature fuse (SKU: STG-V1) is a critical component for safeguarding sensitive electronic equipment and circuits from overcurrent and short-circuit conditions. Engineered by Mersen, a globally recognized leader in electrical protection, this time-delay fuse offers reliable and precise circuit interruption, ensuring the longevity and operational integrity of your valuable assets. Its compact 5x15mm glass body construction makes it ideal for applications where space is at a premium, commonly found in industrial control panels, power supplies, and various electronic devices. The time-delay characteristic of the STG-V1 fuse is a key differentiator, providing a crucial advantage in applications that experience temporary, harmless inrush currents during startup. Unlike fast-acting fuses, the time-delay fuse can withstand these brief surges without nuisance tripping, thereby preventing unnecessary downtime and maintenance. This feature is particularly beneficial in motor control circuits, power supplies with large capacitor banks, and other systems where initial current demands can exceed the steady-state operating current. The fuse is rated for up to 350VAC and 1A, making it suitable for a wide range of low-voltage industrial and commercial applications. Key features and benefits of the Mersen STG-V1 miniature fuse include: * **Time-Delay Operation:** Effectively handles inrush currents without premature interruption, enhancing system reliability. * **Compact 5x15mm Size:** Designed for space-constrained applications, facilitating easy integration into existing designs. * **350VAC Voltage Rating:** Suitable for a broad spectrum of low-voltage AC power systems. * **1A Current Rating:** Provides precise overcurrent protection for circuits requiring this specific amperage. * **Glass Body Construction:** Offers visual indication of fuse status and good dielectric properties. * **Mersen Quality:** Manufactured by a trusted industry leader with a reputation for high-performance and dependable electrical protection solutions. When selecting miniature fuses, professionals consider factors such as voltage rating, current rating, interrupting capacity, and time-current characteristics. The Mersen STG-V1 fuse excels in providing a robust solution for applications demanding reliable time-delay protection within its specified parameters. Its consistent performance and adherence to stringent quality standards make it a preferred choice for engineers and technicians seeking to protect their equipment from electrical faults. The UNSPSC code for this product is 39121623, further categorizing its industrial application. Investing in Mersen fuses means investing in peace of mind, knowing that your critical systems are protected by industry-leading technology.
  • Mersen STG-V1 Miniature Fuse
  • Time-Delay Functionality
  • 350VAC Voltage Rating
  • 1A Current Rating
  • Compact 5x15mm Glass Construction

Specifications

AC Voltage Rating
350 V
Amperage Rating
1 A
Application
Electronic circuits
Brand Name
Mersen
Class
Supplemental
Connection
Ferrule
Current Rating
1 A
Material
Glass
Mounting
Clip
Series
STG-V
Size
4 x 0.18 in
Size
101.6 x 4.572 mm
Size
5 x 15 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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STG3

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STG5

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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.