Eaton FG3015 Engine Generator MCCB - UL 489 Certified
Part Number: FG3015
Quick Summary
The Eaton FG3015 is a complete engine generator molded case circuit breaker designed to protect engine-driven power systems. Engine setups often contend with surges, backfeeds, and demanding start-up transients, making reliable protection essential. This unit carries UL Listed 489, CSA Certification, and IEC rated credentials, ensuring regulatory compliance across industrial environments. With its compact three-pole F-frame design and fixed trips, it installs easily in generator panels, reducing commissioning time and space. This protection supports 60 Hz systems and 600 Vac applications, delivering dependable performance for OEMs and service providers. In practice, it helps minimize downtime by preventing damage from faults and isolating faults quickly. By combining robust protection with Eaton's warranty and service policies, it aligns with reliability goals and maintenance budgets.
Product Information
Extended Description
FG3015 Eaton: Eaton Series C complete EG molded case circuit breaker, F-frame, FG, Fixed thermal and magnetic trips, Three-pole, 15A, 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
FG3015
UPC
786679269503
Product Length/Depth
7 in
Product Height
6 in
Product Width
5 in
Product Weight
4 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
UL Listed UL 489 CSA Certified CSA Std. C22.2 No. 5 IEC Rated IEC 947-2
Amperage Rating
15 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
18 kAIC at 240 Vac 14 kAIC at 480 Vac
Generator rating
5 kVA/4 kW at 240 Vac, 11 kVA/9 kW at 480 Vac, 14 kVA/11 kW at 600 Vac
Number of poles
Three-pole
Functions
Reverse
Engine generator circuit breakers catalog
Circuit Breakers Explained
Eaton Specification Sheet - FG3015
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Three-pole FG frame with fixed thermal and magnetic trips. Business Impact: Provides dependable fault isolation for engine-generator circuits, reducing downtime and collateral damage during faults. Application: Ideal for generator control panels in 60 Hz, 600 Vac environments where space is at a premium and quick tripping is critical. Long-tail keywords: engine generator circuit breaker, molded case circuit breaker, generator protection. Feature: 15 A, 600 Vac rating with 18 kAIC at 240 Vac and 14 kAIC at 480 Vac. Business Impact: Delivers properly sized protection that minimizes nuisance trips while safeguarding equipment. Application: Suitable for 5 kVA/4 kW generator sets at 240 Vac and higher outputs at 480–600 Vac. Long-tail keywords: short-circuit current rating, generator protection, high interrupt capability. Feature: Line and load terminals on a complete three-pole breaker. Business Impact: Simplifies installation and reduces panel footprint, lowering labor costs and commissioning time. Application: OEMs integrating into pre-wired engine-generator enclosures benefit from faster assembly. Long-tail keywords: line/load terminals, OEM integration, panel space optimization. Feature: Certifications including UL Listed 489, CSA Certified, IEC Rated. Business Impact: Ensures compliance with regulatory requirements across regions, accelerating approvals and installation scheduling. Application: Industrial facilities with stringent safety standards; data centers and manufacturing floors. Long-tail keywords: UL 489, CSA Certified, IEC Rated. Feature: Compact, lightweight form factor (7 in x 6 in x 5 in; 4 lb) with fixed pickup. Business Impact: Enables easier retrofits and installation in space-constrained generator panels, reducing enclosure modifications. Application: Replacement in aging MCCB footprints or in new OEM panels. Long-tail keywords: compact MCCB, lightweight protection device, fixed pickup. Feature: Generator rating coverage (5 kVA/4 kW at 240 Vac; 11 kVA/9 kW at 480 Vac; 14 kVA/11 kW at 600 Vac). Business Impact: Provides a clear protection match across common engine-generator configurations, improving system reliability and predictability. Application: Diverse generator sets and mixed-voltage installations. Long-tail keywords: generator rating, multi-voltage protection, scalable MCCB.
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FAQs
The FG3015 is a three-pole, fixed-trip MCCB designed for line and load terminals in compact, engine-generator panels. Its F-frame, 7x6x5 inch footprint, and 4 lb weight simplify mounting in standard MCCB enclosures. Ensure correct torque on terminals and confirm panel ratings align with 60 Hz, 600 Vac operation. The unit’s reverse protection feature is built-in, improving protection for generator start-up and backfeed scenarios.
Key specs include a 15 A amperage rating, 600 Vac voltage rating, and 18 kAIC available at 240 Vac with 14 kAIC at 480 Vac. Generator rating covers 5 kVA/4 kW at 240 Vac, 11 kVA/9 kW at 480 Vac, and 14 kVA/11 kW at 600 Vac. It uses fixed pickup with a Trip Type of T186 and provides three-pole protection for engine-generator circuits.
Yes. The FG3015 is specifically designed for engine-driven power distribution, providing reliable protection in 60 Hz, 600 Vac generator systems. Its three-pole configuration, line/load terminals, and fixed pickup make it compatible with standard generator control panels and OEM-driven installations where space and performance are critical.
The FG3015 carries UL Listed 489, CSA Certified, and IEC Rated credentials. These certifications confirm compliance with safety and performance standards across North American and international markets, facilitating regulatory approvals, insurance acceptance, and smoother sourcing for regulated industries such as data centers, manufacturing, and critical infrastructure.
Eaton provides a warranty of one year from installation or eighteen months from shipment, whichever occurs first. This ensures coverage for manufacturing defects and supports lower lifecycle risk. Coupled with its robust protection and ease of installation, the FG3015 can reduce maintenance downtime and extend service intervals for engine-generator systems, contributing to a favorable total cost of ownership.