Mersen Class J Time-Delay Fuse...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$136.83
$86.83

Mersen Class J Time-Delay Fuse 50A 600VAC/400VDC Ferrule Terminal Amp-Trap 2000 Series

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Model: AJT50N

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

$136.83
$86.83
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Mersen Class J Time-Delay Fuse 50A 600VAC/400VDC Ferrule Terminal Amp-Trap 2000 Series

Professional Circuit Protection with Superior Interrupting Capacity

The Mersen Class J Time-Delay Fuse delivers reliable overcurrent protection for electrical systems operating at 600VAC or 400VDC. This 50-ampere fuse features ferrule terminals with tin-plated copper construction and GMG body insulating material, providing dependable performance in demanding applications. Part of the trusted Amp-Trap 2000 series, this time-delay fuse offers exceptional 200kA interrupting capacity for comprehensive circuit protection.

Professional Features & Benefits

  • 50A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment.
  • 600VAC/400VDC Dual Voltage Rating: Versatile protection for both AC and DC applications with broad system compatibility.
  • 200kA Interrupting Capacity: Superior fault current interruption capability ensures reliable protection under severe fault conditions.
  • Class J Time-Delay Characteristic: Allows temporary overloads while providing fast response to fault conditions, ideal for motor and transformer applications.
  • Ferrule Terminal Design: Tin-plated copper terminals ensure secure connections and excellent conductivity with clip mounting method.
  • GMG Body Construction: High-grade insulating material provides superior arc quenching and thermal performance.
  • RoHS Compliant: Meets environmental standards for safe disposal and reduced environmental impact.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 200 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 50 A
  • Body Insulating Material: GMG
  • Connection Terminal Material: Tin-Plated Copper
  • Connection Terminal Type: Ferrule
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Class J
  • Mounting Method: Clip
  • Product Length: 2.38 in
  • Product Weight: 0.167 lb
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 400 V
  • Rohs Compliant: Yes
  • Speed Characteristic: Time Delay

Installation & Operation

  1. Mount the fuse in a suitable fuse holder or disconnect 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 according to the provided voltage specifications ensuring compatibility with 600VAC or 400VDC systems.
  4. Configure clip mounting method as supported by the fuse holder specifications.
  5. Test circuit functionality and verify proper fuse operation before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to Class J fuse applications.

Professional Applications

  • Motor Control Centers and Starter Panels
  • Transformer Primary Protection
  • Commercial and Industrial Distribution Panels
  • HVAC Equipment Protection
  • Manufacturing and Process Control Systems
  • Emergency Power and UPS Systems
  • Renewable Energy Installations

Why Choose Mersen Quality?

Mersen Class J fuses deliver proven reliability with RoHS compliant construction and precision-engineered GMG insulating materials. The Amp-Trap 2000 series represents decades of circuit protection expertise, ensuring dependable performance in critical electrical applications with superior 200kA interrupting capacity and dual voltage compatibility.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
200 kA
Ac Or Dc:
AC/DC
Ampere Rating:
50 A
Body Insulating Material:
GMG
Connection Terminal Material:
Tin-Plated Copper
Connection Terminal Type:
Ferrule
Frequency Hz :
50/60 Hz
Fuse Class:
Class J
Mounting Method:
Clip
Product Length:
2.38 in
Product Weight:
0.167 lb
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
400 V
Rohs Compliant:
Yes
Speed Characteristic:
Time Delay

Mersen AJT50N – Frequently Asked Questions

How fast can I get the Mersen AJT50N 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 AJT50N come with a warranty?
Absolutely. The Mersen AJT50N 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 AJT50N?
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 AJT50N from ZenSupply?
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