Mersen GGC-V Series Fast-Actin...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$4.40
Mersen GGC-V Series Fast-Acting Glass Tube Fuse with Axial Leads

Mersen GGC-V Series Fast-Acting Glass Tube Fuse with Axial Leads

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Model: GGC-V1/2

In Stock (leaves warehouse same day if ordered before 3pm ET)

$4.40
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Mersen GGC-V Series Fast-Acting Glass Tube Fuse with Axial Leads

The Mersen GGC-V Series is a fast-acting glass tube fuse family built for reliable overcurrent protection in control and electronic circuits. Featuring a glass body measuring 1/4" x 1-1/4" (6x32mm) with 1-1/2" axial leads and a soldered connection, this fuse line is available across a range of ampere ratings, including a 0.5A rating at up to 250V, and is UL Listed and CSA Certified for code-compliant performance.

Key Features

  • Trade Size: 1/4" x 1-1/4" (6x32mm) glass tube body for compact, space-saving mounting in electronic and control panel applications.
  • Durable Construction: Glass body construction allows for quick visual verification of a blown fuse without removal.
  • Fast-Acting Speed Characteristic: Responds quickly to overcurrent conditions to protect sensitive downstream components.
  • Axial Leads: 1-1/2" axial leads with a soldered connection terminal for direct circuit board or hard-wired installation.
  • Ampere Rating: Available at 0.5A for precise, application-matched overcurrent protection.
  • Voltage Rating: Rated up to 250V AC for use across a wide range of control and equipment circuits.

Certifications & Compliance

  • UL Listed
  • CSA Certified

Technical Specifications

  • Product Line: GGC-V - Fast-Acting
  • Connection Terminal Type: Soldered connection
  • Ampere Rating: 0.5 A
  • Body Insulating Material: Glass
  • Speed Characteristic: Fast-Acting
  • Rated Voltage AC UL: 250 V
  • Product Diameter: 0.25 in
  • Country Of Origin: CN

Typical Applications

  • Control Circuit Overcurrent Protection
  • Electronic and Circuit Board Assemblies
  • Low-Voltage Panel and Equipment Wiring
  • Industrial and Commercial Electrical Equipment
  • Instrumentation and Control Systems

Why Mersen?

Mersen's GGC-V Series glass tube fuses combine a durable glass body with a fast-acting speed characteristic to deliver dependable overcurrent protection for control and electronic circuits. Backed by UL Listing and CSA Certification, these fuses give electrical professionals a code-compliant solution for reliable, repeatable circuit protection in demanding installations.

Manufacturer Resources

Mersen Product Catalog

Product Specs

list_batch:
MERSEN-20260825
Product Type:
Fast-Acting Fuse
Product Material:
Glass
Voltage Rating:
250V
Amperage Rating:
0.5A
Listing:
UL Listed
Standards:
CSA Certified
Department:
Electrical
Product Group:
Circuit Protection
Product Subgroup:
Fuses

Mersen GGC-V1/2 – Frequently Asked Questions

1) Will the Mersen GGC-V fuse fit a standard 1/4 x 1-1/4 inch fuse holder?
The glass body is the standard 1/4" x 1-1/4" (6x32mm) size, so it matches holders and clips cut for that trade size. But note this version has 1-1/2" axial leads soldered to the end caps, so it is meant to be soldered or hard-wired into the circuit rather than dropped into a clip-style holder. If you need a plain ferrule fuse for a holder, order a version without leads.
2) What amp and voltage rating does the Mersen GGC-V1/2 fuse carry?
GGC-V1/2 is a 0.5A fuse rated to 250V AC. That pairing suits low-current control and instrumentation circuits where you are protecting sensitive electronics, not motor or feeder loads. The 0.5A element will not tolerate meaningful inrush, so size it against the actual steady-state draw of the circuit.
3) Is a fast-acting glass fuse the right choice, or do I need a time-delay fuse?
Fast-acting is what the GGC-V Series is, and it is the right pick for electronic boards, instrumentation, and control circuits where a downstream semiconductor needs to be cleared quickly. If the load has startup inrush (a transformer, a contactor coil bank, a small motor), a fast-acting 0.5A element will nuisance-blow. For that, go to a time-delay fuse such as the Littelfuse CCMR Series Class CC time-delay type.
4) I need a 0.5A fuse for a power meter. Is this the right part?
Check the voltage first. The GGC-V1/2 is 0.5A at 250V, fine for 120V or 240V control and instrumentation circuits. If you are fusing metering potential leads on a 480V or 600V system, 250V is not enough; the Square D PowerLogic Energy Meter Fuse Pack is a 0.5A 600V set of three built for that use.
5) What is the closest alternative to the Mersen GGC-V fast-acting glass fuse if I need a fast-acting midget fuse rated 250V?
The Littelfuse BLF Series is a midget fast-acting fuse rated 250V with a laminated tube body. It shares the GGC-V's fast-acting speed characteristic and 250V rating, but the GGC-V uses a glass body with 1-1/2 inch axial leads and a soldered connection for direct circuit board or hard-wired installation, while the BLF is a midget-style tube. Choose the GGC-V when the circuit is built for soldered axial leads and you want to see a blown element through the glass; choose the BLF when the equipment takes a laminated midget tube in clips or a fuse block.
6) I need a 0.5A fuse but the equipment runs at 600V - can I use the Mersen GGC-V?
No. The Mersen GGC-V glass tube fuse is rated 250V AC, so it should not be applied on a 600V circuit. For a 0.5A element at 600V, the Square D PowerLogic Energy Meter Fuse Pack is rated 0.5A 600V and ships as a set of three, which suits metering circuits where all three phases are fused together. The GGC-V stays in control and electronic circuits at 250V or less.
7) Is a Littelfuse AGU or AGA glass fuse a drop-in replacement for the Mersen GGC-V?
Not as a general rule. The Littelfuse AGU Series and the AGA Series are both AG-family glass tube fuses, so the body material matches, but the GGC-V is supplied with 1-1/2 inch axial leads and a soldered connection terminal rather than plain ferrule ends meant for clips or a fuse holder. The AGA offering is a 5A fuse, while the GGC-V covered here is 0.5A. Match the ampere rating and the termination style to what the equipment was built for before you swap.
8) Is the Mersen GGC-V fuse UL Listed and CSA approved for use in equipment going into a commercial building?
Both. The GGC-V Series is UL Listed and CSA Certified, which is what an institutional or MRO specifier normally needs to see for overcurrent protection in listed equipment and control panels on either side of the border. Country of origin is China.
9) What is the difference between the Mersen GGC-V with axial leads and a plain glass tube fuse like the Littelfuse AGU or AGA?
Mounting method, mainly. The GGC-V version carries 1-1/2" axial leads with a soldered connection terminal, so it is wired or soldered directly into a board or harness. The Littelfuse AGU Series and the AGA Series (for example the 5A AGA5) are glass tube fuses supplied as plain cartridges for holders and clips. If the equipment uses a fuse block or inline holder, go with a cartridge type; if the fuse is permanently installed in an assembly, the leaded GGC-V is what you want.
10) What is a midget fast-acting fuse and when would I use one instead of this glass tube fuse?
Midget fuses are the larger 13/32 inch diameter class of small fuses used in control transformers and motor control circuits, where the GGC-V at 0.25 inch diameter is a 1/4 x 1-1/4 electronic-size fuse. If your panel's fuse blocks are cut for midget bodies, the Littelfuse BLF Series fast-acting 250V laminated tube fuse is the type to look at instead.
11) Can I tell if this fuse is blown without pulling it out of the circuit?
Yes, that is the practical advantage of the glass body on the GGC-V. The element is visible through the tube, so a tech can confirm an open element by eye during troubleshooting instead of removing it and ringing it out. Handy in panels where the fuse is soldered in place.
12) Does the Mersen GGC-V carry the same agency approvals as other glass tube control fuses I might substitute?
The Mersen GGC-V is both UL Listed and CSA Certified, which covers the code-compliance box for control and equipment circuits in the US and Canada. Among the glass-bodied alternatives, the Littelfuse AGU and AGA Series are the nearest in construction, and the Littelfuse BLF is the nearest in speed characteristic as a midget fast-acting fuse at 250V. If a submittal calls for both UL and CSA on the fuse, the GGC-V answers that directly.
How fast can I get the Mersen GGC-V1/2 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Mersen GGC-V1/2 come with a warranty?
Absolutely. The Mersen GGC-V1/2 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Mersen GGC-V1/2?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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