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USG Series
UltraSafeTM Fuseholder with CAGE CLAMP® spring terminal technology
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USG Series Fuseholder
Mersen introduces the new USG Series UltraSafeTM fuseholders with screw-less, spring pressure, wire termination technology
Mersen’s new USGCC (class CC) & USGM (midget) series fuseholders deliver the ultimate ease-of-use, total cost saving, and reliable solution available in the marketplace
Mersen is the first manufacturer to offer spring terminal technology into a power fuseholder, delivering the best of both technologies to its customers
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USG Series Fuseholder
Mersen Spring Terminals versus Screw Terminals
Wire retention spring reinforces high contact pressureWire surrounded
on all four sides
“S” bend provides defined contact area
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USG Series Fuseholder
Spring Terminals versus Screw Terminals
Technology Spring Screw
Reliability Spring terminals are dynamic, able to compensate for changes in the environment. Maintenance free.
Screw terminals are static, contact pressure will weaken over time. Require periodic maintenance.
Cost Reduce installation time by up to 75%, install wires in seconds
Requires additional tools and security tests to validate connections
Ease-of-Use No tools required, superior connection every time regardless of operator skill level
Requires screw-driver and torque wrench
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USG Series Fuseholder
Summary of Features and Benefits*
Higher
Reliability
Low contact resistance
Superior performance under vibration
Corrosion resistant
Superior performance under temperature cycling
Lower
Total Cost
Reduce installation time by up to 75%
Maintenance Free
Increased
Ease-of-Use
No tool required
Superior connection independent of operator skill
*For details of features and benefits view the Spring Terminal Learning Module
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USG Series Fuseholder
Product Offering– Three offerings within the USG family
– USGCC series• for use with class CC fuses
– USGM series• for use with midget class fuses
– USGM-HEL series• for use with photovoltaic midget class fuses
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USG Series Fuseholder
Product Ratings
– Global Certifications up to 32A – 750VAC/1000VDC, 200kA SCCR
– Certified for copper conductors rated up to 90°C
– UL approved for dual conductors
– No torque ratings!
– Degree of Protection = IP20
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USG Series Fuseholder
Catalog Number Selection*
UltraSafe Spring Terminal
US G M 1
Fuse Class
M = midget
CC = class CC
No of Poles
1 = 1-Pole
2 = 2-Pole
3 = 3-Pole
4 = 4-Pole
I
Indicator
BLANK = None
I = Indicator
*Special configurations available – consult data sheet
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USG Series Fuseholder
Accessories
Modular Field Assembly Kit Test Plug Adapter Wire Marker Adapters
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USG Series Fuseholder
Available Tools
Data Sheet
Product Family Brochure
Accessories Guide
Training Modules
ep-us.mersen.com
Product Video
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