Mersen UltraSafe 3-Pole Midget...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$298.53
$248.53
Mersen UltraSafe 3-Pole Midget Fuse Holder with LED Indication - 600VAC/600VDC 30A DIN Rail Mount

Mersen UltraSafe 3-Pole Midget Fuse Holder with LED Indication - 600VAC/600VDC 30A DIN Rail Mount

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Model: USM3I

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

$298.53
$248.53
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Mersen UltraSafe 3-Pole Midget Fuse Holder with LED Indication

Professional DIN Rail Mounted Fuse Protection with Visual Status Indication

The Mersen UltraSafe 3-Pole Midget Fuse Holder delivers reliable circuit protection with integrated LED indication for immediate fuse status visibility. Rated for 600VAC/600VDC operation at 30A, this DIN rail mounted unit features polyamide insulating material and clip-in fuse installation for professional electrical installations requiring dependable overcurrent protection.

Professional Features & Benefits

  • 600VAC/600VDC Dual Voltage Rating: Versatile AC/DC compatibility provides flexible installation options for diverse electrical systems and applications.
  • LED Status Indication: Integrated LED system delivers immediate visual confirmation of fuse condition, reducing troubleshooting time and improving maintenance efficiency.
  • 30A Current Rating: Robust amperage capacity handles substantial electrical loads while maintaining reliable overcurrent protection performance.
  • DIN Rail Mounting: Standard DIN rail installation enables quick, secure mounting in electrical panels and control cabinets with professional appearance.
  • 3-Pole Configuration: Three-pole design provides comprehensive protection for three-phase systems and multi-circuit applications.
  • 100 kA Short Circuit Rating: High SCCR capability ensures reliable performance under fault conditions, protecting downstream equipment and personnel.
  • Clip-in Fuse Installation: Tool-free fuse replacement system reduces maintenance time and simplifies service procedures in the field.

Technical Specifications

  • Ac Or Dc: AC/DC
  • Ampere Rating: 30 A
  • Body Insulating Material: Polyamide
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Midget
  • Fuse Installation Method: Clip-in
  • Fuse Type Class: Midget
  • Indication System Type: LED
  • Installation Mounting: DIN Rail
  • Max Fuse Rating: 30 A
  • Number Of Poles: 3-Pole
  • Product Height: 2.32 in
  • Product Length: 3.07 in
  • Product Weight: 0.43 lb
  • Product Width: 2.07 in
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 600 V
  • Rohs Compliant: Yes
  • Short Circuit Current Rating Sccr : 100 kA
  • Torque Rating: 15 lb-in
  • Wiring Range: #6 to #14 Solid or Stranded

Installation & Operation

  1. Mount the unit on standard DIN rail in electrical panel with appropriate clearance for fuse access and LED visibility.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire input and output connections according to the provided 600VAC/600VDC voltage specifications and 30A capacity.
  4. Install appropriate midget fuses using the clip-in installation method with proper torque rating of 15 lb-in.
  5. Test LED indication functionality and verify proper fuse holder performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Industrial Control Panels
  • Commercial Electrical Distribution
  • Motor Control Centers
  • Process Control Systems
  • Power Distribution Equipment
  • Automation and Control Cabinets
  • Three-Phase Power Systems

Why Choose Mersen Quality?

Mersen UltraSafe fuse holders combine proven polyamide construction with RoHS compliance and professional-grade 100 kA short circuit rating. The integrated LED indication system and DIN rail mounting deliver reliable performance with enhanced serviceability for demanding electrical protection applications.

Manufacturer Resources

Product Specs

Ac Or Dc:
AC/DC
Ampere Rating:
30 A
Body Insulating Material:
Polyamide
Frequency Hz :
50/60 Hz
Fuse Class:
Midget
Fuse Installation Method:
Clip-in
Fuse Type Class:
Midget
Indication System Type:
LED
Installation Mounting:
DIN Rail
Max Fuse Rating:
30 A
Number Of Poles:
3-Pole
Product Height:
2.32 in
Product Length:
3.07 in
Product Weight:
0.43 lb
Product Width:
2.07 in
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
600 V
Rohs Compliant:
Yes
Short Circuit Current Rating Sccr :
100 kA
Torque Rating:
15 lb-in
Wiring Range:
#6 to #14 Solid or Stranded

Mersen USM3I – Frequently Asked Questions

How fast can I get the Mersen USM3I 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 USM3I come with a warranty?
Absolutely. The Mersen USM3I 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 USM3I?
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 USM3I from ZenSupply?
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