Mersen GSA-V3/8 - 250V Time Delay, Ceramic 1/4" x 1 1/4" 250 Volts 0.375 Amps GSA-V series.
Mersen

GSA-V3/8

Alternate Item Number: 782001810573

UPC: 782001810573

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Minimum Qty: 10

Multiplier: 10

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Overview

The **Mersen GSA-V3/8** is a high-performance **250V time delay ceramic fuse** engineered for robust circuit protection in demanding industrial environments. Designed to safeguard sensitive electrical systems against overcurrent conditions, this fuse combines precision engineering with durable construction to deliver reliable performance in critical applications. Part of Mersen’s trusted **GSA-V series**, the GSA-V3/8 is rated for **0.375A** and features a **250V** rating, making it an ideal solution for applications where temporary current surges are common but sustained overcurrent must be prevented. **Key Features and Benefits:** - **Time-Delay Operation:** The GSA-V3/8 is specifically designed to tolerate brief inrush currents—such as those from motor starts, capacitor charging, or transformer energization—without nuisance tripping. This time-delay characteristic ensures continuous operation during transient events while providing reliable protection against sustained overloads. - **Ceramic Construction:** The fuse’s **ceramic body** offers superior thermal stability, mechanical strength, and arc-quenching capabilities compared to glass or plastic alternatives. This makes it highly resistant to environmental stressors, including high temperatures, humidity, and vibration, which are common in industrial settings. - **Compact 1/4" x 1 1/4" Size:** The fuse’s **compact form factor** allows for easy integration into space-constrained control panels, power supplies, and distribution boards. Its standardized dimensions ensure compatibility with industry-standard fuse holders and clips, simplifying installation and replacement. - **High Voltage Rating (250V):** With a **250V** rating, the GSA-V3/8 is suitable for a wide range of industrial applications, including control circuits, instrumentation, and power conversion systems. It meets stringent safety standards, ensuring compliance with global electrical regulations. - **Low Current Rating (0.375A):** The **0.375A** current rating makes this fuse ideal for protecting delicate components such as sensors, relays, and low-power electronic circuits. Its precise tripping characteristics prevent damage to sensitive equipment while maintaining system integrity. **Typical Applications:** The Mersen GSA-V3/8 is widely used in industries where **reliable overcurrent protection** is non-negotiable. Common applications include: - **Industrial Control Panels:** Protecting PLCs, relays, and control circuits from transient surges. - **Power Supplies:** Safeguarding transformers, rectifiers, and DC power modules in both linear and switch-mode power supplies. - **Instrumentation and Automation:** Shielding sensitive measurement devices, sensors, and data acquisition systems from overcurrent events. - **Motor Control Circuits:** Providing backup protection in motor starters and variable frequency drives (VFDs) where inrush currents are frequent. - **Telecommunications Equipment:** Ensuring uptime and reliability in network infrastructure, including routers, switches, and base stations. **Why Choose Mersen?** Mersen is a global leader in **electrical protection and thermal management solutions**, with over a century of expertise in designing products that enhance the safety and efficiency of electrical systems. The **GSA-V series** is a testament to Mersen’s commitment to innovation, quality, and reliability. Engineers and technicians worldwide trust Mersen fuses for their **consistent performance, long service life, and adherence to international standards** (e.g., UL, IEC, CSA). **Installation and Selection Considerations:** When selecting a fuse like the GSA-V3/8, professionals should consider: - **Current Rating:** Ensure the fuse’s **0.375A** rating matches the load’s nominal current to avoid nuisance tripping or inadequate protection. - **Voltage Rating:** Verify that the **250V** rating exceeds the system’s maximum operating voltage for safety and compliance. - **Time-Delay Characteristics:** Confirm that the fuse’s time-delay curve aligns with the application’s transient requirements (e.g., motor starts, capacitor charging). - **Environmental Conditions:** The ceramic construction makes the GSA-V3/8 suitable for harsh environments, but always check temperature and humidity ratings for your specific use case. - **Mounting and Compatibility:** The **1/4" x 1 1/4"** size is standard, but ensure your fuse holder or panel is compatible with this form factor. **Industry Standards and Certifications:** The Mersen GSA-V3/8 meets or exceeds key industry standards, including: - **UL 248 (Low-Voltage Fuses):** Ensures compliance with North American safety requirements. - **IEC 60269:** Aligns with international fuse standards for global applications. - **CSA Certification:** Validates safety and performance for Canadian markets. For engineers and procurement professionals seeking a **high-quality, time-delay fuse** that balances **precision, durability, and reliability**, the **Mersen GSA-V3/8** is a proven choice. Whether deployed in a **factory automation system, a renewable energy inverter, or a medical device**, this fuse delivers the protection and performance required to keep critical systems running safely and efficiently.
  • 250V rated time-delay ceramic fuse for industrial applications
  • 0.375A current rating for sensitive circuit protection
  • Ceramic body for superior thermal and mechanical durability
  • Compact 1/4" x 1 1/4" size for space-constrained installations
  • Part of Mersen’s trusted GSA-V series for reliable overcurrent protection

Specifications

Amperage Rating
0.375 A
Application
Electronic circuits - High currents (microwave ovens)
Brand Name
Ferraz Shawmut
Connection
Axial Leads
Interrupt Rating
0.035 kA
Mounting
Surface
Special Features
Ceramic Body, Time-Delay, 1/4" X 1 1/4"
Standard
UL/CSA Std. 248-14 1/16A - 8A, 250VAC, UL Listed 10A,12A,15A, 250VAC UL Recognized 1/16A - 8A, 250VAC, CSA Certified 10A, 12A, 15A, 250VAC CSA Recognized 20A, 250VAC 25A, 30A, 125VAC
Type
1/4 X 1-1/4
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
4.25 IN x 0.25 IN x 0.25 IN
Package Dimensions (L x W x H)
10.795 cm x 6.35 mm x 6.35 mm
Package Weight (Imperial)
0.010 L
Package Weight (Metric)
0.005 kg
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9F61 Size B Clips 1.6in

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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.

LCC5

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 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.