Mersen UltraSafe Class J Fuse ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$574.30
$524.30
Mersen UltraSafe Class J Fuse Holder 600VAC/600VDC 30A 3-Pole DIN Rail Mount with IP65 Protection

Mersen UltraSafe Class J Fuse Holder 600VAC/600VDC 30A 3-Pole DIN Rail Mount with IP65 Protection

(No reviews yet) Write a Review

Model: US3J3

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

$574.30
$524.30
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Mersen UltraSafe Class J Fuse Holder 600VAC/600VDC 30A 3-Pole DIN Rail Mount with IP65 Protection

Professional-grade fuse protection with UltraSafe design and versatile AC/DC compatibility

The Mersen UltraSafe Class J Fuse Holder delivers reliable circuit protection for demanding industrial and commercial applications. This 3-pole unit supports both 600VAC and 600VDC operation with 30A capacity, featuring robust polyamide construction and IP65 environmental protection. The DIN rail mounting system and clip-in fuse installation provide convenient setup and maintenance access for professional electrical installations.

Professional Features & Benefits

  • Dual Voltage Rating: 600VAC/600VDC compatibility provides versatile protection for both AC and DC circuits in diverse applications
  • High Short Circuit Rating: 200 kA SCCR delivers exceptional fault current interruption capability for critical system protection
  • IP65 Environmental Protection: Sealed enclosure guards against dust and water ingress in challenging industrial environments
  • DIN Rail Mounting: Standard rail compatibility enables quick installation and space-efficient panel integration
  • Polyamide Construction: Durable insulating material provides excellent electrical isolation and mechanical strength
  • Clip-in Fuse Installation: Tool-free fuse replacement reduces maintenance time and improves service accessibility
  • Wide Wiring Range: Accommodates #2 to 14 AWG conductors with 35 lb-in torque rating for secure connections

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
  • 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 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 Control Panels and Motor Control Centers
  • Commercial Electrical Distribution Systems
  • Manufacturing Equipment Protection
  • Process Control and Automation Systems
  • Power Distribution in Critical Facilities
  • Renewable Energy System Protection
  • Data Center and Telecommunications Infrastructure

Why Choose Mersen Quality?

Mersen UltraSafe fuse holders combine proven reliability with advanced safety features for professional electrical protection. The RoHS compliant design meets environmental standards while the robust polyamide construction and IP65 rating ensure long-term performance in demanding industrial environments. Trust Mersen's commitment to electrical safety and protection excellence.

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
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 US3J3 – Frequently Asked Questions

How fast can I get the Mersen US3J3 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 US3J3 come with a warranty?
Absolutely. The Mersen US3J3 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 US3J3?
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 US3J3 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.
!