Mersen Class J Time-Delay Fuse...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$263.86
$213.86
Mersen Class J Time-Delay Fuse 90A 600VAC/400VDC with SmartSpot Indication System

Mersen Class J Time-Delay Fuse 90A 600VAC/400VDC with SmartSpot Indication System

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Model: AJT90

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

$263.86
$213.86
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Mersen Class J Time-Delay Fuse 90A 600VAC/400VDC with SmartSpot Indication System

Professional Circuit Protection with Visual Indication Technology

The Mersen Class J Time-Delay Fuse delivers reliable circuit protection with 90A rating for both AC and DC applications. Featuring SmartSpot indication system for visual fuse status monitoring, this professional-grade fuse operates at 600VAC/400VDC with 200kA interrupting capacity. The blade terminal design with tin-plated copper connections ensures secure installation in clip or bolted mounting configurations.

Professional Features & Benefits

  • 90A Current Rating: Provides robust protection for medium-duty electrical circuits and equipment loads.
  • Class J Time-Delay Design: Allows temporary overloads while providing fast fault clearing for enhanced system coordination.
  • SmartSpot Indication System: Visual indicator shows fuse status for quick maintenance assessment and reduced downtime.
  • 200kA Interrupting Capacity: Safely clears high fault currents in demanding electrical distribution systems.
  • Dual Voltage Rating: Compatible with both 600VAC and 400VDC systems for versatile installation flexibility.
  • Blade Terminal Construction: Tin-plated copper terminals ensure reliable connections and corrosion resistance.
  • 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: 90 A
  • Body Insulating Material: GMG
  • Connection Terminal Material: Tin-Plated Copper
  • 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: 4.63 in
  • Product Weight: 0.241 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 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 Panels
  • HVAC Equipment Protection
  • Manufacturing Process Equipment
  • Data Center Power Distribution
  • Healthcare Facility Critical Systems
  • Educational Institution Electrical Infrastructure

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with RoHS compliant construction and professional-grade materials. The SmartSpot indication system and robust 200kA interrupting capacity provide the performance and visual feedback needed for critical electrical protection applications.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
200 kA
Ac Or Dc:
AC/DC
Ampere Rating:
90 A
Body Insulating Material:
GMG
Connection Terminal Material:
Tin-Plated Copper
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:
4.63 in
Product Weight:
0.241 lb
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
400 V
Rohs Compliant:
Yes
Speed Characteristic:
Time Delay

Mersen AJT90 – Frequently Asked Questions

How fast can I get the Mersen AJT90 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 AJT90 come with a warranty?
Absolutely. The Mersen AJT90 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 AJT90?
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 AJT90 from ZenSupply?
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