What’s the difference?

UL489


Branch Protection

UL1077


Supplementary
Protection

 
FAZ....-NA

What You Need to Know and Look For In Specifications
Certifications—Standards—Acceptance

• UL489 Listed
• CSA C22.2
• International ratings available depending on breaker type

• UL Recognized Under UL1077
• CSA 22.2
• IEC 60947-2 or IEC 898

Function

• Opens automatically on Overload and Short Circuit
• Protects wire and cable against Overload and Short Circuit

• Opens automatically on Overload and Short Circuit
• Provides additional equipment protection where branch
circuit protection is already provided

Applications

• Branch Circuit Protection in Control Panels, Panelboards,
Switchboards, & Motor Control Centers
• Motor Overload, & Motor Short Circuit Protection (UL489
Recognized Motor Circuit Protectors) for Control Panels &
Motor Control Centers

• Used within Appliances or other Electrical Equipment, such
as Motor Control Circuits, Control Power Transformers, Relays
PLC I/O Points, Lighting Circuits
• Ideal replacement for fuses that are applied as
supplementary protection

Features

• Bolted Down or DIN-Rail Mounted
• External Handle Mechanisms Available
• Field Mounted Accessories
• Stand-Alone Branch Circuit Protection
• High Voltage and Interruption levels (up to 100kaic @
480V)

• DIN-Rail Mounted
• Field Mounted Accessories
• Current limiting
• Various levels of protection (curve type)
• 10kaic @ 240Vac
• 6kaic @ 277Vac and 5kaic @ 480Vac
• 10kaic @ 65Vdc

The Bottom Line
No Matter How Much They Look Alike, a Supplementary Protector Can’t Be Used for Branch Circuit Protection!

   

Eaton Corporation
Electrical Sector
1000 Cherrington Parkway
Moon Township, PA 15108
United States
877-ETN-CARE (877-386-2273)
Eaton.com
© 2009 Eaton Corporation
All Rights Reserved
Printed in USA
July 2009, V2

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