Mersen Amp-Trap AG Series Clas...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$39.01
Mersen Amp-Trap AG Series Class G Time-Delay Ferrule Fuse

Mersen Amp-Trap AG Series Class G Time-Delay Ferrule Fuse

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Model: AG35

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

$39.01
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Mersen Amp-Trap AG Series Class G Time-Delay Ferrule Fuse

The Mersen Amp-Trap AG Series is a complete line of UL Listed Class G fuses featuring time-delay protection (above 5A rating) for branch-circuit applications. This family is available across a range of amp ratings from 6A through 50A, covering four physical fuse sizes to match the required current level. Every AG Series fuse uses ferrule-style construction with clip mounting and tin-plated copper terminals for durable, corrosion-resistant connections. With a 100 kA AC maximum interrupting rating and RoHS-compliant GMG body construction, the Amp-Trap AG series delivers reliable protection for lighting, heating, and appliance circuits across the full 6A-50A range.

Key Features

  • Amp Rating Range: Available in ratings from 6A up to 50A, allowing selection of the exact fuse for your branch-circuit load.
  • Class G Design: UL Listed Class G fuses manufactured in four physical sizes for precise branch-circuit coordination across the amp rating range.
  • Time-Delay Protection: Time-delay characteristic (above 5A rating) rides through momentary inrush current without nuisance blowing.
  • Ferrule Terminals: Ferrule connection/terminal type paired with clip mounting for straightforward installation and removal across all amp ratings in the series.
  • Tin-Plated Copper Terminals: Tin-plated copper terminal material provides a corrosion-resistant, dependable connection point.
  • High Interrupt Rating: 100 kA AC maximum interrupting/breaking capacity (I1) supports use in demanding fault-current environments regardless of the amp rating selected.
  • AC Rated, 50/60 Hz: Engineered for AC circuits operating at 50/60 Hz across the entire 6A-50A range.
  • GMG Body Material: GMG body/insulating material construction that is RoHS compliant.

Certifications & Compliance

  • UL Listed
  • RoHS Compliant

Technical Specifications

  • Amp Rating Range: 6A - 50A
  • ROHS Compliant: Yes
  • AC or DC: AC
  • Body/Insulating Material: GMG

Typical Applications

  • Lighting Circuit Branch-Circuit Protection
  • Heating Circuit Protection
  • Appliance Circuit Protection
  • Commercial and Industrial Electrical Panels
  • Panelboard and Load Center Fuse Replacement

Why Mersen?

Mersen's Amp-Trap AG series combines UL Listed Class G construction, tin-plated copper ferrule terminals, and a 100 kA AC interrupting rating to deliver dependable, code-compliant circuit protection across its full 6A-50A amp rating range. RoHS-compliant GMG body materials and time-delay performance make these fuses a trusted choice for professional electrical installations requiring reliable branch-circuit fusing, whatever amp rating the application calls for.

Manufacturer Resources

Mersen Product Catalog

Product Specs

Connection Terminal Type:
Ferrule
Mounting Method:
Clip
Connection/Terminal Material:
Tin-Plated Copper
AC Max I.R./Breaking Capacity: I1:
100 kA
ROHS Compliant:
Yes
Frequency (Hz):
50/60 Hz
Speed/Characteristic:
Time Delay
AC or DC:
AC
Fuse Class:
Class G
Body/Insulating Material:
GMG
list_batch:
MERSEN-20260825
Department:
Electrical
Product Group:
Circuit Protection
Product Type:
Time-Delay Fuse
Configuration:
Class G Time-Delay Ferrule
Amperage Rating:
6A - 50A
Product Finish:
Tin-Plated Copper
Listing:
UL Listed
Standards:
RoHS
Product Subgroup:
Fuses

Mersen AG35 – Frequently Asked Questions

1) Will a Mersen Amp-Trap AG fuse drop into my existing Class G fuse holder?
Yes, if the holder is Class G clip style. The Amp-Trap AG is a Class G ferrule fuse with clip mounting, so it seats in standard Class G fuse clips. Class G is a rejection-style system: the fuse body length changes with the amp rating, and the AG line is built in four physical sizes across the 6A to 50A range. That means a 50A AG will not fit a holder prepped for a lower-amp Class G size, which is the point of the design. Match the amp rating to the holder and the fuse fits.
2) Will the Mersen AG fuse nuisance-blow on motor or ballast inrush?
It shouldn't. The AG carries a time-delay characteristic above the 5A rating, so it rides through momentary inrush from lighting ballasts, heating loads and small appliance motors instead of opening on the surge. If you need a fast-acting fuse for electronics or semiconductor protection, this is the wrong characteristic.
3) Can I use the Mersen AG Class G fuse on a DC circuit?
No. The Amp-Trap AG is AC only, rated at 50/60 Hz, with a 100 kA AC maximum interrupting rating. There is no DC rating behind it, so for a DC branch circuit you need a fuse carrying its own DC voltage and interrupt rating.
4) Is the Mersen AG fuse rated for a high available fault current panel?
It carries a 100 kA AC maximum interrupting capacity, which covers most commercial and industrial panelboard locations where available fault current is high. Confirm the available fault current at your service and that the rating meets or exceeds it.
5) Class G or Class CC time-delay fuse, which one do I need?
They are not interchangeable, and the holder decides it. Class G, like the Mersen Amp-Trap AG, is a rejection ferrule fuse for branch-circuit lighting, heating and appliance loads from 6A to 50A, mounted in Class G clips. Class CC is a separate midget-style rejection system on its own holders, typical for control circuits and motor branch protection. If your panel or fuse block is prepped for Class CC, the AG will not fit and you want something like the Littelfuse CCMR040 Class CC time-delay fuse instead.
6) Is the Littelfuse AGU series an equivalent to the Mersen Amp-Trap AG Class G fuse?
No. Despite the similar name, the Littelfuse AGU is an AG glass tube fuse, while the Mersen Amp-Trap AG is a Class G time-delay ferrule fuse with clip mounting and a 100 kA AC interrupting rating. The AG designation in the Littelfuse part refers to a glass tube automotive-style body, not the UL Class G branch-circuit fuse dimensions, so the two are not interchangeable in a Class G fuse block.
7) If my panel uses Class CC fuses, can I use a Mersen AG fuse instead?
No. The Mersen Amp-Trap AG is a UL Listed Class G fuse, and Class G and Class CC bodies are different rejection dimensions, so they will not interchange in the same holder. For a Class CC time-delay application at 40A, the Littelfuse CCMR040 is a Class CC time-delay fuse. Match the fuse class to the block or holder already installed.
8) What amp ratings does the Mersen AG Series Class G fuse come in?
The AG Series covers 6A through 50A. Orderable ratings include AG6, AG25, AG35 and AG50. Pick the rating from the branch-circuit load, not from the holder you have on hand, since the holder size is tied to the rating band in Class G.
9) Is the Mersen AG the same thing as a Littelfuse AGU or AGA glass fuse?
No, despite the similar letters. The Littelfuse AGU and AGA5 are small glass tube fuses. The Mersen Amp-Trap AG is a UL Listed Class G branch-circuit fuse with a GMG body and a 100 kA AC interrupt rating. If someone pulled a glass AGU out of a holder, do not replace it with an AG, and vice versa.
10) What is the difference between the Mersen AG series and a midget fast-acting fuse like the Littelfuse BLF?
The Littelfuse BLF is a midget fast-acting fuse rated 250V in a laminated tube body. The Mersen Amp-Trap AG is a Class G time-delay fuse, meaning it rides through momentary inrush on motor, lighting, and heating loads rather than clearing quickly. Choose fast-acting where the load has no inrush and the downstream device needs quick clearing; choose the time-delay AG where starting current would otherwise open a fast-acting element.
11) I need a 5A fuse but the Mersen AG line starts at 6A. What else is there?
The Mersen Amp-Trap AG series covers 6A through 50A. For a 5A glass fuse application the Littelfuse AGA5 is a 5A glass fuse in the AGA series. Note that it is a glass-body fuse rather than a Class G clip-mounted ferrule fuse, so confirm your holder accepts it before ordering.
12) Can I use a Mersen AG fuse in a Square D PowerLogic meter fuse pack application?
No. The Square D PowerLogic energy meter fuse pack is a set of three 0.5A 600V fuses intended for metering circuits. The Mersen Amp-Trap AG line is a 6A to 50A AC branch-circuit fuse, so it does not reach down to the 0.5A metering rating. Use the metering fuses for instrument circuits and the AG series for lighting, heating, and appliance branch circuits.
13) Will the Mersen AG terminals corrode in a damp mechanical room?
The ferrule caps are tin-plated copper, which is the standard corrosion-resistant finish for fuse terminals and holds a clean low-resistance contact in a fuse clip. That matters more than it sounds: a corroded ferrule heats the clip and is a common cause of repeat failures in older panels.
14) What should I stock to standardize fusing across a building's lighting and appliance panels?
For Class G branch circuits, the Amp-Trap AG line covers the whole 6A to 50A span in one series, so an MRO crib can carry a single family rather than mixing brands. Keep the ratings your panels actually use (AG6, AG25, AG35, AG50 are the common ones ordered) and remember the physical size steps with the rating, so a spare of one rating will not substitute for another.
How fast can I get the Mersen AG35 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 AG35 come with a warranty?
Absolutely. The Mersen AG35 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 AG35?
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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