Mersen UltraSafe Class J Fuse ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$605.96
$555.96

Mersen UltraSafe Class J Fuse Holder 600VAC/600VDC 30A 3-Pole with LED Indication and IP65 Rating

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Model: US3J3I

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

$605.96
$555.96
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Mersen UltraSafe Class J Fuse Holder 600VAC/600VDC 30A 3-Pole with LED Indication and IP65 Rating

Professional-grade fuse protection with advanced LED indication and weatherproof design

The Mersen UltraSafe Class J Fuse Holder delivers reliable circuit protection for demanding industrial and commercial applications. This 3-pole unit handles 600VAC/600VDC systems with 30A capacity, featuring integrated LED indication for visual fuse status monitoring. The IP65-rated polyamide construction ensures durability in harsh environments, while DIN rail mounting provides flexible installation options. With 200 kA short circuit current rating and clip-in fuse installation, this holder combines safety, performance, and ease of maintenance.

Professional Features & Benefits

  • 600VAC/600VDC Dual Voltage Rating: Versatile compatibility with both AC and DC systems up to 600V for broad application flexibility
  • 30A Class J Fuse Capacity: Handles substantial current loads while maintaining precise overcurrent protection characteristics
  • LED Indication System: Provides instant visual confirmation of fuse status, reducing troubleshooting time and improving maintenance efficiency
  • IP65 Environmental Protection: Sealed construction protects against dust ingress and water jets for reliable outdoor and industrial use
  • 200 kA Short Circuit Current Rating: Exceptional fault current handling capability ensures system protection under extreme conditions
  • DIN Rail Mounting: Standard industrial mounting method enables quick installation and easy panel integration
  • Polyamide Construction: High-performance insulating material provides excellent electrical isolation and mechanical durability

Technical Specifications

  • Ac Or Dc: AC/DC
  • Ampere Rating: 30 A
  • Body Insulating Material: Polyamide
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Class J
  • Fuse Installation Method: Clip-in
  • Fuse Type Class: Class J
  • Indication System: Yes
  • Indication System Type: LED
  • Installation Mounting: DIN Rail
  • Max Fuse Rating: 30 A
  • Number Of Poles: 3-Pole
  • Product Height: 3.15 in
  • Product Length: 4.49 in
  • Product Weight: 1.43 lb
  • Product Width: 3.84 in
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 600 V
  • Rohs Compliant: Yes
  • Short Circuit Current Rating Sccr : 200 kA
  • Torque Rating: 35 lb-in
  • Wiring Range: #2 to 14 AWG

Installation & Operation

  1. Mount the unit on DIN rail in a suitable location with appropriate clearance and access for fuse replacement and LED visibility.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions using the #2 to 14 AWG wiring range.
  3. Install appropriate Class J fuses according to the clip-in installation method and 35 lb-in torque specifications.
  4. Configure any available indication features and verify LED operation for proper fuse status monitoring.
  5. Test circuit protection functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the fuse holder category.

Professional Applications

  • Industrial Control Panels and Motor Control Centers
  • Commercial HVAC and Building Automation Systems
  • Manufacturing Equipment and Process Control
  • Power Distribution and Electrical Substations
  • Renewable Energy and Solar Power Systems
  • Marine and Offshore Electrical Installations
  • Transportation and Infrastructure Projects

Why Choose Mersen Quality?

Mersen UltraSafe fuse holders represent proven reliability in electrical protection, backed by RoHS compliance and engineered for long-term performance. The combination of dual voltage capability, LED indication, and IP65 environmental protection ensures dependable operation across diverse industrial applications, making this an essential component for professional electrical installations.

Manufacturer Resources

Product Specs

Ac Or Dc:
AC/DC
Ampere Rating:
30 A
Body Insulating Material:
Polyamide
Frequency Hz :
50/60 Hz
Fuse Class:
Class J
Fuse Installation Method:
Clip-in
Fuse Type Class:
Class J
Indication System:
Yes
Indication System Type:
LED
Installation Mounting:
DIN Rail
Max Fuse Rating:
30 A
Number Of Poles:
3-Pole
Product Height:
3.15 in
Product Length:
4.49 in
Product Weight:
1.43 lb
Product Width:
3.84 in
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
600 V
Rohs Compliant:
Yes
Short Circuit Current Rating Sccr :
200 kA
Torque Rating:
35 lb-in
Wiring Range:
#2 to 14 AWG

Mersen US3J3I – Frequently Asked Questions

How fast can I get the Mersen US3J3I 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 US3J3I come with a warranty?
Absolutely. The Mersen US3J3I 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 US3J3I?
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 US3J3I from ZenSupply?
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