Mersen Class J Fast-Acting Fus...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$112.34
$62.34

Mersen Class J Fast-Acting Fuse 30A 600VAC/300VDC Ferrule Terminal Amp-Trap

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Model: A4J30

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

$112.34
$62.34
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Mersen Class J Fast-Acting Fuse 30A 600VAC/300VDC Ferrule Terminal Amp-Trap

Professional overcurrent protection with fast-acting response and high interrupting capacity

The Mersen Class J Fast-Acting Fuse delivers reliable overcurrent protection with 30A rating and dual voltage capability of 600VAC/300VDC. Featuring ferrule terminals with tin-plated copper construction and PolyTube insulating material, this Amp-Trap fuse provides professional-grade protection with 200 kA interrupting capacity and clip mounting for secure installation in electrical distribution systems.

Professional Features & Benefits

  • 30A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment protection applications.
  • Dual Voltage Capability (600VAC/300VDC): Versatile protection for both AC and DC systems with high voltage ratings for commercial and industrial applications.
  • 200 kA Interrupting Capacity: Exceptional fault current interruption capability ensures reliable protection even under severe short-circuit conditions.
  • Fast-Acting Response: Quick response time protects sensitive equipment and circuits from overcurrent damage with minimal delay.
  • Ferrule Terminal Design: Tin-plated copper terminals provide secure, corrosion-resistant connections for reliable long-term performance.
  • Class J Construction: Current-limiting design reduces let-through energy and provides superior protection compared to standard fuses.
  • RoHS Compliant: Environmentally responsible construction meets regulatory requirements for hazardous substance restrictions.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 200 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 30 A
  • Body Insulating Material: PolyTube
  • Connection Terminal Material: Tin-Plated Copper
  • Connection Terminal Type: Ferrule
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Class J
  • Mounting Method: Clip
  • Product Length: 2.25 in
  • Product Weight: 0.097 lb
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 300 V
  • Rohs Compliant: Yes
  • Speed Characteristic: Fast-Acting

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 300VDC systems.
  4. Configure clip mounting system as supported by the fuse holder specifications.
  5. Test installation and verify proper fuse seating and electrical connections before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to overcurrent protection devices.

Professional Applications

  • Commercial Electrical Distribution Systems
  • Industrial Motor Control Centers
  • Power Distribution Panels
  • Equipment Protection Circuits
  • Electrical Switchgear Applications
  • DC Power Systems
  • Critical Infrastructure Protection

Why Choose Mersen Quality?

Mersen delivers professional-grade overcurrent protection with RoHS compliant construction and proven reliability. The combination of high interrupting capacity, dual voltage rating, and fast-acting response ensures dependable protection for critical electrical systems with the quality and performance professionals demand.

Manufacturer Resources

Product Specs

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

Mersen A4J30 – Frequently Asked Questions

How fast can I get the Mersen A4J30 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 A4J30 come with a warranty?
Absolutely. The Mersen A4J30 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 A4J30?
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 A4J30 from ZenSupply?
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