Mersen USGM1I - Fuse Holder UltraSafe™ 600VAC 600VDC Midget 30A 1-Pole LED Cage Clamp IP20
Mersen

USGM1I

Alternate Item Number: USGM1I

UPC: 782001437923


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Overview

The Mersen USGM1I UltraSafe™ fuse holder (SKU: USGM1I) offers advanced safety and efficiency for electrical systems. This 1-pole unit is designed for midget fuses and operates at up to 600VAC and 600VDC, with a maximum current rating of 30A. A key feature is its integrated LED indicator, providing clear visual confirmation of fuse status, enhancing operational awareness and safety. The USGM1I incorporates Mersen's innovative screw-less Cage Clamp termination technology, a significant advancement in power fuse holder design. This spring pressure system eliminates the need for traditional screw terminals, drastically reducing installation time and labor costs while ensuring a secure and reliable wire connection. This technology, combined with the UltraSafe design, delivers exceptional ease-of-use and dependable performance. The fuse holder is rated IP20 for protection against solid objects larger than 12.5mm, suitable for various industrial environments. Manufactured in the US, the USGM1I exemplifies Mersen's commitment to providing reliable and user-friendly electrical protection solutions.
  • 600VAC/600VDC voltage rating for versatile power applications
  • 30A current rating for midget fuses
  • Integrated LED indicator for clear fuse status visualization
  • Screw-less Cage Clamp termination for fast, secure wiring
  • UltraSafe™ design for enhanced safety and ease-of-use

Specifications

AC Voltage Rating
600 V
Amperage Rating
30 A
Application
All circuits up to 750VAC / 1000VDC for power control, power distribution and power electronics Non-load disconnect
Brand Name
Mersen
Class
Midget
Connection
Cage Clamp
Connection Type
Cage Clamp
Current Rating
30A
DC Voltage Rating
600 V
IP Rating
IP20
Material
Polyamide
Maximum Operating Temperature
80 C
Mounting
DIN Rail
Number Of Poles
1
Operating Temperature, Maximum
176 F
Phase
1
Poles
1-pole
Series
UltraSafe
Size
4.13 x 0.68 x 2.17;104.902 x 17.272 x 55.118 in;mm
Special Features
Equipped with industry proven, patented WAGO CAGE CLAMP® technology (over 25 years of field experience and acceptance) Reduce wire installation time by up to 75 Highly reliable, maintenance free wire contact Secure, vibration proof, corrosion resistant, temperature cycling resistant, cost saving wire connection Quick, tool-free, easy fuse change-outs IP20 finger-safe protection Option visual blown fuse indicator DIN-rail mounting Compact footprint Environmentally conscious, RoHS compliant and lead free RECOMMENDED FUSE USAGE: USGM use with Midget Fuses: ATQ, ATM, TRM, OTM, A60Q-2, DCT-2 USGCC use with Class CC Fuses: ATDR, ATQR, ATMR USGM-HEL use with Photovoltaic Fuses: HP6M, HP10M
Standard
UL Listed to Standard 4248-4 (Class CC) and 4248-1 (Midget), File E52283 UL Listed to Standard 4248-18 (Photovoltaic), File E347822 CSA Certified C22.2 IEC Compliant (USGM only)
Sub Brand
UltraSafe™
Type
UL/CSA Fuse Holders
Voltage Rating
600VAC/600VDC
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
4.13 in x 0.68 in x 2.17 in
Package Dimensions (L x W x H)
104.902 mm x 17.272 mm x 55.118 mm
Package Weight (Imperial)
0.140 lb
Package Weight (Metric)
0.064 kg
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Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.