Mersen Class T Fast-Acting Fus...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$135.54
$85.54

Mersen Class T Fast-Acting Fuse 40A 600VAC/300VDC Ferrule Terminal Amp-Trap

(No reviews yet) Write a Review

Model: A6T40

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

$135.54
$85.54
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks

Mersen Class T Fast-Acting Fuse 40A 600VAC/300VDC Ferrule Terminal Amp-Trap

Professional Fast-Acting Circuit Protection with High Breaking Capacity

The Mersen Class T Fast-Acting Fuse delivers reliable circuit protection with 40A rating and dual voltage capability of 600VAC/300VDC. Featuring ferrule terminals and GMG body insulating material, this Amp-Trap fuse provides professional-grade protection with 200 kA breaking capacity for demanding electrical applications.

Professional Features & Benefits

  • 40A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment.
  • 600VAC/300VDC Dual Voltage: Versatile voltage compatibility supports both AC and DC applications in commercial and industrial settings.
  • Class T Fast-Acting Response: Rapid fault clearing minimizes equipment damage and enhances system safety during overcurrent conditions.
  • 200 kA Breaking Capacity: High interrupting rating handles severe fault currents in high-energy electrical systems.
  • Ferrule Terminal Design: Copper ferrule terminals ensure secure connections and reliable electrical contact in fuse holders.
  • GMG Body Construction: Professional insulating material provides durability and electrical isolation in demanding environments.
  • Clip Mounting Method: Simple installation and replacement in compatible fuse holders and electrical panels.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 200 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 40 A
  • Body Insulating Material: GMG
  • Connection Terminal Material: Copper
  • Connection Terminal Type: Ferrule
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Class T
  • Mounting Method: Clip
  • Product Length: 1.57 in
  • Product Weight: 0.083 lb
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 300 V
  • Speed Characteristic: Fast-Acting

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Commercial Building Electrical Panels
  • Industrial Motor Control Centers
  • HVAC Equipment Protection
  • Lighting Control Systems
  • Power Distribution Equipment
  • Electronic Equipment Protection
  • Emergency Power Systems

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with professional-grade construction and precise overcurrent protection. The Class T fast-acting design and high breaking capacity ensure dependable performance in critical electrical applications, backed by Mersen's commitment to electrical safety and system protection.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
200 kA
Ac Or Dc:
AC/DC
Ampere Rating:
40 A
Body Insulating Material:
GMG
Connection Terminal Material:
Copper
Connection Terminal Type:
Ferrule
Frequency Hz :
50/60 Hz
Fuse Class:
Class T
Mounting Method:
Clip
Product Length:
1.57 in
Product Weight:
0.083 lb
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
300 V
Speed Characteristic:
Fast-Acting

Mersen A6T40 – Frequently Asked Questions

How fast can I get the Mersen A6T40 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 A6T40 come with a warranty?
Absolutely. The Mersen A6T40 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 A6T40?
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
Why buy the Mersen A6T40 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.