Mersen Class J Time-Delay Fuse...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$442.87
$392.87
Mersen Class J Time-Delay Fuse 125A 600VAC/500VDC with SmartSpot Indication System

Mersen Class J Time-Delay Fuse 125A 600VAC/500VDC with SmartSpot Indication System

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Model: AJT125

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

$442.87
$392.87
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Mersen Class J Time-Delay Fuse 125A 600VAC/500VDC with SmartSpot Indication System

Professional Circuit Protection with Visual Indication Technology

The Mersen Class J Time-Delay Fuse delivers reliable circuit protection with 125A rating for both AC and DC applications. Featuring SmartSpot indication system for visual fuse status monitoring, this professional-grade fuse operates at 600VAC/500VDC with 200 kA breaking capacity. The blade terminal design with brass connections ensures secure mounting via clip or bolted installation methods.

Professional Features & Benefits

  • 125A Current Rating: Provides robust circuit protection for high-amperage applications with reliable overcurrent response.
  • Class J Time-Delay Design: Offers selective coordination and withstands temporary overloads while protecting against sustained faults.
  • SmartSpot Indication System: Enables quick visual identification of fuse status for efficient maintenance and troubleshooting.
  • 200 kA Breaking Capacity: Delivers exceptional fault current interruption capability for demanding electrical systems.
  • Dual Voltage Rating: Supports both 600VAC and 500VDC applications for versatile installation flexibility.
  • Brass Terminal Construction: Ensures reliable electrical connections with corrosion resistance and long-term performance.
  • RoHS Compliant: Meets environmental standards for responsible electrical component selection.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 200 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 125 A
  • Body Insulating Material: GMG
  • Connection Terminal Material: Brass
  • Connection Terminal Type: Blade
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Class J
  • Indication System: Yes
  • Indication System Type: SmartSpot�
  • Mounting Method: Clip or Bolted
  • Product Length: 5.75 in
  • Product Weight: 0.764 lb
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 500 V
  • Rohs Compliant: Yes
  • Speed Characteristic: Time Delay

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

  • Industrial Motor Control Centers
  • Commercial Electrical Distribution
  • Manufacturing Equipment Protection
  • HVAC System Circuit Protection
  • Power Distribution Panels
  • Critical Infrastructure Systems
  • Emergency Power Applications

Why Choose Mersen Quality?

Mersen delivers proven circuit protection reliability with RoHS compliant construction and professional-grade GMG insulating materials. The SmartSpot indication system and robust 200 kA breaking capacity ensure dependable performance in demanding electrical environments, backed by time-tested engineering excellence.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
200 kA
Ac Or Dc:
AC/DC
Ampere Rating:
125 A
Body Insulating Material:
GMG
Connection Terminal Material:
Brass
Connection Terminal Type:
Blade
Frequency Hz :
50/60 Hz
Fuse Class:
Class J
Indication System:
Yes
Indication System Type:
SmartSpot®
Mounting Method:
Clip or Bolted
Product Length:
5.75 in
Product Weight:
0.764 lb
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
500 V
Rohs Compliant:
Yes
Speed Characteristic:
Time Delay

Mersen AJT125 – Frequently Asked Questions

How fast can I get the Mersen AJT125 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 AJT125 come with a warranty?
Absolutely. The Mersen AJT125 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 AJT125?
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 AJT125 from ZenSupply?
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