Eaton FG3080 Engine Generator MCCB - 600 Vac UL Listed
Part Number: FG3080
Quick Summary
The Eaton FG3080 engine generator molded case circuit breaker protects generator sets during start-up and load changes. Engine-driven systems demand reliable, correctly coordinated protection to avoid nuisance trips and unplanned downtime. It carries IEC rated, UL 489 listed, and CSA certified markings for broad compliance in industrial environments. Designed for 60 Hz operation with fixed pickup and three-pole configuration, this 80 A device supports engine-generator applications and line/load interlocks. Built for straightforward installation, it helps facilities meet regulatory and OEM requirements while delivering consistent performance and peace of mind for mission-critical power systems.
Product Information
Extended Description
FG3080 Eaton: Eaton Series C complete EG molded case circuit breaker, F-frame, FG, Fixed thermal and magnetic trips, Three-pole, 80A, 600 Vac, 18 kAIC at 240 Vac, 14 kAIC at 480 Vac, Line/load, Engine generator, Reverse, 60 Hz, Fixed
Product Name
Eaton complete engine generator molded case circuit breaker
Catalog Number
FG3080
UPC
786679269701
Product Length/Depth
8 in
Product Height
5 in
Product Width
5 in
Product Weight
4.6 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
IEC Rated UL 489 CSA Std. C22.2 No. 5 UL Listed CSA Certified IEC 947-2
Amperage Rating
80 A
Voltage rating
600 Vac
Trip Type
T186
Circuit breaker type
FG
Circuit breaker frame type
Complete breaker
Terminals
Line and load
Frame
F
Frequency rating
60 Hz
Class
Engine generator
Pickup
Fixed
Interrupt rating
14 kAIC at 480 Vac 18 kAIC at 240 Vac
Generator rating
29 kVA/23 kW at 240 Vac, 58 kVA/46 kW at 480 Vac, 72 kVA/58 kW at 600 Vac
Number of poles
Three-pole
Functions
Reverse
Engine generator circuit breakers catalog
Circuit Breakers Explained
Eaton Specification Sheet - FG3080
Feature: Fixed thermal and magnetic trips provide dependable overcurrent protection, reducing nuisance trips and safeguarding generator equipment. Business Impact: minimizes unplanned downtime and wear on the electrical system. Application: ideal for engine-generator protection in 60 Hz facilities with frequent load changes. Feature: Three-pole design with an 80 A rating and line/load terminals ensures robust three-phase protection for generator circuits. Business Impact: simplifies wiring, improves coordination with transfer switches, and supports scalable genset configurations. Application: panel retrofits and new installations in industrial plants. Feature: Generator ratings up to 72 kVA at 600 Vac (36 kW) with corresponding 29 kVA/23 kW at 240 Vac and 58 kVA/46 kW at 480 Vac. Business Impact: accommodates a wide range of genset sizes, reducing parts diversity and inventory costs. Application: OEM and end-user power protection for mid- to large-scale standby systems. Feature: Certifications including IEC rated, UL 489 listed, and CSA certified. Business Impact: regulatory compliance, safer procurement decisions, and broader market acceptance. Application: critical facilities requiring proven safety and interoperability. Feature: Compact footprint (8 in x 5 in x 5 in) and light weight (4.6 lb) with line/load terminals. Business Impact: easier installation, faster maintenance, and flexible panel mounting. Application: retrofit projects and space-constrained electrical rooms. Feature: Reverse function support and fixed pickup configuration streamline integration with engine-generator protection schemes. Business Impact: improves fault isolation and transfer reliability. Application: generator systems with automatic transfer and reverse power protection needs.
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FAQs
FG3080 is designed for installation in standard 60 Hz generator panels using line and load terminals with the FG frame. It fits in compact enclosures thanks to its 8 x 5 x 5 inch footprint and 4.6 lb weight, making retrofits straightforward. Ensure three-pole mounting and proper alignment with the protection scheme for reliable operation.
Key performance specs include fixed pickup, three-pole construction, and an 80 A rating at 600 Vac, with an interrupt rating of 18 kAIC at 240 Vac and 14 kAIC at 480 Vac. This combination supports generator ratings up to 72 kVA at 600 Vac, and 58 kW at 480 Vac, helping protect against overloads and transient surges.
Yes. FG3080 carries IEC rated, UL 489 listed, and CSA certified markings, ensuring compliance with North American and international standards. With 60 Hz operation, fixed pickup, and a three-pole FG frame, it is well suited for engine-generator protection in industrial facilities where regulatory adherence and reliable performance are required.
Warranty is one year from installation or eighteen months from shipment, per Eaton policy 25-000. Eaton also provides comprehensive datasheets and application notes to support field technicians. This combination helps maximize uptime, minimize maintenance surprises, and justify lifecycle ROI for generator protection assets.
FG3080 is part of Eaton's engine-generator protection family as a complete EG molded case circuit breaker with an FG frame, line/load terminals, and reverse protection function. It wires into standard generator control schemes and is compatible with other Series C devices, enabling coordinated protection, easier stocking, and streamlined maintenance across multiple generator configurations.