Mersen A3T800 Class T Fast-Act...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,316.56
Mersen A3T800 Class T Fast-Acting Blade Fuse, 800A

Mersen A3T800 Class T Fast-Acting Blade Fuse, 800A

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Model: A3T800

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

$1,316.56
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Mersen A3T800 Class T Fast-Acting Blade Fuse, 800A

The Mersen A3T800 is a Class T fast-acting blade-style fuse rated 800A at 300VAC and 160VDC, purpose-built for high-density power distribution where compact size and rapid fault clearing are required. Its bolted blade terminals are constructed of copper and housed in a GMG insulating body, delivering an AC maximum interrupting rating of 200 kA for demanding industrial and commercial electrical systems. The A3T800 is RoHS compliant and rated for use on 50/60 Hz AC/DC circuits.

Key Features

  • Ampere Rating: 800A for high-current circuit protection.
  • Fast-Acting Class T Design: Delivers rapid response for effective short-circuit and overcurrent protection.
  • Dual Voltage Rating: Rated 300VAC and 160VDC for versatile AC/DC applications.
  • High Interrupting Capacity: 200 kA AC maximum breaking capacity for demanding fault-current environments.
  • Durable Construction: GMG insulating body with copper connection terminals for reliable, long-lasting performance.
  • Bolted Blade Mounting: Bolted mounting method with amp-trap blade configuration for secure installation.
  • Frequency Rating: Suitable for 50/60 Hz AC/DC circuits.

Certifications & Compliance

  • RoHS Compliant

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 200 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 800 A
  • Body Insulating Material: GMG
  • Connection Terminal Material: Copper
  • Frequency Hz: 50/60 Hz
  • Mounting Method: Bolted
  • Product Length: 3.38 in
  • Product Weight: 0.797 lb
  • Rated Voltage Ac Ul: 300 V
  • Rated Voltage Dc Ul: 160 V
  • Rohs Compliant: Yes

Typical Applications

  • Commercial and Industrial Power Distribution Panels
  • Motor Control Centers and Switchgear
  • High-Current AC/DC Circuit Protection
  • Panelboard and Load Center Fusing
  • Renovation and New Construction Electrical Systems

Why Mersen?

Mersen's A3T800 Class T fuse combines a durable GMG insulating body with copper connection terminals and a 200 kA interrupting rating to deliver dependable, code-compliant overcurrent protection for demanding electrical systems. RoHS compliance and fast-acting Class T performance make it a trusted choice for professionals who need reliable, high-capacity fusing they can count on.

[{"name": "Product Type", "value": "Fuse"}, {"name": "Product Material", "value": "GMG"}, {"name": "Voltage Rating", "value": "300V AC / 160V DC"}, {"name": "Amperage Rating", "value": "800A"}, {"name": "Connection Type", "value": "Bolted"}, {"name": "Standards", "value": "RoHS Compliant"}]

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
200 kA
Ac Or Dc:
AC/DC
Ampere Rating:
800 A
Body Insulating Material:
GMG
Connection Terminal Material:
Copper
Connection Terminal Type:
Blade
Frequency Hz :
50/60 Hz
Fuse Class:
Class T
Mounting Method:
Bolted
Product Length:
3.38 in
Product Weight:
0.797 lb
Rated Voltage Ac Ul:
300 V
Rated Voltage Dc Ul:
160 V
Rohs Compliant:
Yes
Speed Characteristic:
Fast-Acting
Department:
Electrical
Product Group:
Wiring Devices
Product Type:
Fuse

Mersen A3T800 – Frequently Asked Questions

How fast can I get the Mersen A3T800 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 A3T800 come with a warranty?
Absolutely. The Mersen A3T800 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 A3T800?
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 A3T800 from ZenSupply?
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