Mersen SMG-V3/8 - 250VAC Fast Acting Glass 4.5mm x 14.5mm 250 Volts 0.375 Amps SMG-V series.
Mersen

SMG-V3/8

Alternate Item Number: 782001237592

UPC: 782001237592

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Minimum Qty: 10

Multiplier: 10

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Overview

The Mersen SMG-V3/8 is a fast-acting glass fuse designed for precise circuit protection in industrial and electronic systems. It features a 250VAC voltage rating and a 0.375A current rating, ensuring rapid interruption of overcurrents to safeguard sensitive equipment. Its compact 4.5mm x 14.5mm cylindrical design is compatible with space-constrained panels and control systems. The SMG-V3/8 offers quick fault detection and interruption, minimizing downtime and reducing the risk of equipment failure. Its glass body provides thermal stability and arc visibility, while nickel-plated brass end caps ensure reliable electrical contact and corrosion resistance. Conforming to IEC 60127-2 standards, it ensures compatibility with standard fuse holders. This fuse is part of Mersen’s SMG-V series, known for reliability and adherence to international safety standards like UL, VDE, and CSA. Typical applications include industrial control panels, power supplies, instrumentation, automotive auxiliary circuits, and consumer electronics. Mersen brings over 100 years of expertise to electrical protection, with stringent quality control and global compliance. Always replace with an identical fuse and ensure fuse holder compatibility.
  • Fast-acting response for quick fault interruption
  • 250VAC voltage rating and 0.375A current rating
  • Robust glass construction with nickel-plated brass end caps
  • Industry-standard 4.5mm x 14.5mm dimensions (IEC 60127-2)
  • UL, VDE, and CSA certified for global compliance

Specifications

Amperage Rating
0.375 A
Application
Electronic circuits
Brand Name
Ferraz Shawmut
Connection
Ferrule
Interrupt Rating
0.035 kA
Mounting
Clip
Special Features
Glass Body Fasting Acting 4.5 x 14.5mm 2AG SMG-V fuses have 1-1/2" wire lead each end.
Standard
1/10A & 3/8A, 250VAC UL Listed CSA Cert., 1/8A - 7A, 350VAC, UL/CSA Recognized 8A & 10A, 125VAC RoHS Compliant
Type
4.5 X 14.5 mm miniature fuses
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
3.59 IN x 0.217 IN x 0.217 IN
Package Dimensions (L x W x H)
9.1186 cm x 5.5118 mm x 5.5118 mm
Package Weight (Imperial)
0.010 L
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.