Mersen Class J Time-Delay Fuse...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$797.50
$747.50
Mersen Class J Time-Delay Fuse 350A 600VAC/500VDC with SmartSpot Indication System

Mersen Class J Time-Delay Fuse 350A 600VAC/500VDC with SmartSpot Indication System

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Model: AJT350

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

$797.50
$747.50
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Mersen Class J Time-Delay Fuse 350A 600VAC/500VDC with SmartSpot Indication System

Professional electrical protection with advanced indication technology

The Mersen Class J Time-Delay Fuse delivers reliable overcurrent protection with 350A rating for both AC (600V) and DC (500V) applications. Featuring SmartSpot indication system for visual fuse status monitoring, this blade-type fuse provides professional-grade protection with 200 kA breaking capacity and GMG insulating material construction for demanding electrical installations.

Professional Features & Benefits

  • 350A Current Rating: Handles high-amperage loads with reliable overcurrent protection for demanding electrical systems.
  • Dual Voltage Capability: Supports both 600VAC and 500VDC applications for versatile installation flexibility.
  • SmartSpot Indication System: Provides visual fuse status monitoring to quickly identify blown fuses and reduce troubleshooting time.
  • 200 kA Breaking Capacity: Delivers exceptional fault current interruption capability for enhanced system protection.
  • Class J Time-Delay Design: Allows temporary overloads while providing fast response to fault conditions for optimal motor and equipment protection.
  • Blade Terminal Construction: Features brass connection terminals for reliable electrical contact and easy installation.
  • 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: 350 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: 7.13 in
  • Product Weight: 1.79 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 Overcurrent Protection
  • Power Distribution Panels
  • Heavy-Duty Electrical Equipment
  • Critical Infrastructure Protection

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with RoHS compliant construction and professional-grade GMG insulating materials. The SmartSpot indication system and robust 200 kA breaking capacity ensure dependable overcurrent protection for critical electrical systems requiring both performance and visual monitoring capabilities.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
200 kA
Ac Or Dc:
AC/DC
Ampere Rating:
350 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:
7.13 in
Product Weight:
1.79 lb
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
500 V
Rohs Compliant:
Yes
Speed Characteristic:
Time Delay

Mersen AJT350 – Frequently Asked Questions

How fast can I get the Mersen AJT350 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 AJT350 come with a warranty?
Absolutely. The Mersen AJT350 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 AJT350?
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 AJT350 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.
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