Mersen GSA-V25 - 250V Time Delay, Ceramic 1/4" x 1 1/4" 125 Volts 25 Amps GSA-V series.
Mersen

GSA-V25

Alternate Item Number: 782001347635

UPC: 782001347635

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Minimum Qty: 10

Multiplier: 10

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Overview

The **Mersen GSA-V25** is a premium **250V time delay ceramic fuse** engineered for robust industrial overcurrent protection in demanding electrical systems. Part of the trusted **GSA-V series**, this **25A fuse** (1/4" x 1 1/4") delivers exceptional thermal stability, durability, and precision, making it a top choice for professionals in industrial, commercial, and automotive applications. Designed to handle transient inrush currents while providing sustained overcurrent protection, the GSA-V25 ensures reliable equipment safety and operational continuity. **Key Features and Benefits:** - **High-Performance Time Delay:** The GSA-V25’s time-delay characteristics allow it to accommodate brief current surges (e.g., motor starts, transformer inrush) without nuisance tripping, while still protecting circuits from sustained overloads. This makes it ideal for applications where temporary current spikes are common but sustained overcurrent must be prevented. - **Ceramic Construction for Superior Durability:** Unlike standard glass or plastic fuses, the ceramic body of the GSA-V25 offers **exceptional thermal resistance**, **mechanical strength**, and **environmental protection** against moisture, dust, and corrosive atmospheres. This ensures long-term reliability even in harsh industrial environments. - **Precise 250V/25A Rating:** With a **250V voltage rating** and **25A current rating**, the GSA-V25 is optimized for medium-voltage industrial circuits, including control panels, machinery, and distribution systems. Its compact **1/4" x 1 1/4" size** ensures compatibility with standard fuse blocks and holders. - **Industry-Tested Reliability:** Mersen, a global leader in electrical protection solutions, designs the GSA-V25 to meet rigorous industrial standards. The fuse’s **consistent performance** and **low failure rate** make it a preferred choice for engineers and technicians who demand dependable circuit protection. - **Versatile Applications:** The GSA-V25 is widely used in **industrial automation**, **HVAC systems**, **power distribution panels**, **motor control centers**, and **automotive electrical systems**. Its time-delay feature is particularly valuable in applications with inductive loads (e.g., solenoids, relays) where temporary current spikes are expected. **Why Choose Mersen for Your Fuse Protection Needs?** Mersen has been a trusted name in electrical protection for over a century, serving industries ranging from **renewable energy** to **heavy manufacturing**. The **GSA-V series**, including the GSA-V25, reflects the company’s commitment to innovation, quality, and safety. Professionals choose Mersen fuses because: - **Proven Performance:** Mersen’s fuses are tested to withstand extreme conditions, including high temperatures, vibrations, and electrical transients. - **Global Availability:** With a vast distribution network, Mersen ensures quick access to replacement fuses, reducing downtime in critical operations. - **Compliance and Certifications:** The GSA-V25 meets international standards (e.g., **UL, IEC, CSA**), providing peace of mind for engineers working in regulated industries. - **Expert Support:** Mersen offers technical assistance, including fuse selection guides, application notes, and compatibility charts, to help professionals make informed decisions. **Installation and Maintenance Considerations:** Proper installation is critical to maximizing the GSA-V25’s performance. Always: - **Verify Compatibility:** Ensure the fuse’s voltage and current ratings match the circuit requirements. The GSA-V25 is rated for **250V** and **25A**, so confirm these values align with your system’s specifications. - **Use Correct Fuse Holders:** The GSA-V25 fits standard **1/4" x 1 1/4" fuse holders**, but always check the holder’s current and voltage ratings to avoid mismatches. - **Inspect Regularly:** While ceramic fuses are highly durable, periodic visual inspections for cracks, discoloration, or corrosion can prevent unexpected failures. - **Follow Safety Protocols:** Always de-energize the circuit before replacing a fuse. Use insulated tools and wear appropriate PPE to mitigate electrical hazards. **Industry Applications Where the GSA-V25 Excels:** - **Industrial Machinery:** Protects motors, transformers, and control circuits from overloads in factories and processing plants. - **Commercial Buildings:** Ideal for lighting panels, HVAC systems, and backup power systems where reliable protection is essential. - **Automotive Systems:** Used in vehicle electrical systems, including battery management and high-current accessories. - **Renewable Energy:** Safeguards inverters, converters, and grid-tie systems from fault currents in solar and wind power installations. - **Oil & Gas:** Resistant to harsh environmental conditions, making it suitable for offshore platforms, refineries, and drilling rigs. **Why Time Delay Matters:** Standard fast-acting fuses can interrupt circuits too quickly in applications with **motor starts, capacitor charging, or transformer energization**, leading to unnecessary downtime. The GSA-V25’s **time-delay design** bridges this gap by allowing brief current surges while still providing protection against sustained faults. This balance ensures **both equipment safety and operational efficiency**, a critical factor in modern industrial automation. **Mersen’s Legacy in Electrical Protection:** Founded in 1891, Mersen has pioneered advancements in fuse technology, including the development of **ceramic fuse bodies** and **high-interrupting-capacity (HRC) fuses**. The GSA-V25 is a testament to this legacy, combining **time-tested reliability** with **cutting-edge materials** to meet the evolving needs of global industries. Whether you’re protecting a **100-horsepower motor** or a **sensitive control panel**, the GSA-V25 delivers the performance and peace of mind that professionals demand. **Order Today for Unmatched Protection:** The Mersen GSA-V25 is available through authorized distributors worldwide. For bulk orders, custom packaging, or technical consultations, contact Mersen’s customer support team. Trust the GSA-V25 to safeguard your critical electrical systems with **precision, durability, and reliability**—the hallmarks of Mersen’s industry-leading fuse solutions.
  • 250V voltage rating with 25A current capacity
  • Time-delay design for inrush current handling
  • Ceramic construction for thermal and environmental resistance
  • 1/4" x 1 1/4" size fits standard fuse holders
  • Part of Mersen’s trusted GSA-V series for industrial protection

Specifications

Amperage Rating
25 A
Application
Electronic circuits - High currents (microwave ovens)
Brand Name
Ferraz Shawmut
Connection
Axial Leads
Current Rating
25 A
Interrupt Rating
0.4 kA
Material
Ceramic
Mounting
Surface
Series
GSA-V
Size
1/4" x 1 1/4"
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
125 VAC
Voltage Rating
250 V
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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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.
9F61 Size B Clips 1.6in

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9F61 Size B Clips 1.6in

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.