Eaton FG3225WY05Z06 Engine Generator MCB - UL Listed
Part Number: FG3225WY05Z06
Quick Summary
FG3225WY05Z06 Engine generator molded case circuit breaker provides reliable protection for engine-powered electrical systems. It supports 3-phase, 225 A at 600 Vac service with high interrupt ratings suitable for generator sets, addressing startup surges and fault conditions. The unit is UL Listed and IEC 947-2/CSA certified with MIL-DTL-17361 compliance, ensuring broad regulatory acceptance. With a fixed thermal and magnetic trip (T186) and a three-pole FG frame, it offers robust protection across 240–600 Vac and 60 Hz operation. Designed for line-side flexibility and easy installation in compact enclosures, this breaker helps customers meet safety standards while reducing downtime and warranty costs.
Product Information
Extended Description
FG3225WY05Z06 Eaton: Eaton Series C complete EG molded case circuit breaker, F-frame, FG, Fixed thermal and magnetic trips, Three-pole, 225A, 600 Vac, 18 kAIC at 240 Vac, 14 kAIC at 480 Vac, No term., optional line side, Engine gen., Reverse, 60 Hz, 3TA225FD
Product Name
Eaton complete engine generator molded case circuit breaker
Catalog Number
FG3225WY05Z06
UPC
786676013444
Product Length/Depth
7.4 in
Product Height
5.1 in
Product Width
5.1 in
Product Weight
4.3 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.
Compliances
MIL-DTL-17361
Certifications
UL Listed file E7819 UL 489 IEC 947-2 CSA Std. C22.2 No. 5 QPL17361
Type
Engine generator
Amperage Rating
225 A
Voltage rating
600 Vac
Trip Type
T186
Circuit breaker type
FG
Circuit breaker frame type
Complete breaker
Terminals
Without terminals, optional line side
Frame
F
Frequency rating
60 Hz
Class
Engine generator
Line
3TA225FD
Pickup
Fixed
Prod load
3TA225FDK
Interrupt rating
14 kAIC at 480 Vac 18 kAIC at 240 Vac
Generator rating
81 kVA/65 kW at 240 Vac, 162 kVA/130 kW at 480 Vac, 203 kVA/162 kW at 600 Vac
Number of poles
Three-pole
Functions
Reverse
Engine generator circuit breakers catalog
Circuit Breakers Explained
Eaton Specification Sheet - FG3225WY05Z06
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Three-pole FG frame molded case circuit breaker with fixed thermal and magnetic trips. Business Impact: Delivers precise fault clearance and reliable protection, reducing unplanned downtime in engine-generator power systems. Application: Ideal for engine generator sets and generator switchgear operating at 60 Hz and up to 600 Vac. Feature: 225 A amperage rating at 600 Vac. Business Impact: Supports sizeable genset feeds without nuisance trips, enabling smoother operation during startup transients. Application: Engine-driven power distribution panels and generator feeders in manufacturing facilities. Feature: High interrupt ratings of 18 kAIC at 240 Vac and 14 kAIC at 480 Vac. Business Impact: Protects critical equipment during short-circuit events, minimizing damage and maintenance costs. Application: Industrial genset installations with higher fault current levels. Feature: Compliance and certifications including UL Listed, IEC 947-2, CSA, MIL-DTL-17361. Business Impact: Simplifies regulatory acceptance and OEM qualification, easing procurement and integration. Application: Commercial, industrial, and data-center environments requiring proven electrical protection. Feature: Line side terminals option and compact form factor (7.4 in L × 5.1 in W × 5.1 in H; 4.3 lb). Business Impact: Facilitates retrofit and enclosure installation, reducing installation time and space requirements. Application: Engine-generator enclosures and panel upgrades in space-constrained installations.
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FAQs
Yes. FG3225WY05Z06 is a three-pole FG frame molded case circuit breaker rated at 225 A and 600 Vac for three-phase engine-generator systems. With fixed thermal and magnetic trips and optional line-side terminals, it integrates smoothly into genset panels and other engine-driven switchgear operating at 60 Hz.
The device provides 225 A at 600 Vac, three poles, and 60 Hz. It offers interrupt ratings of 18 kAIC at 240 Vac and 14 kAIC at 480 Vac, with a fixed pickup characteristic (T186). It is compatible with line-side configurations and engineered for engine-generator protection in high-demand environments.
It is UL Listed (file E7819) and UL 489, IEC 947-2, CSA Std. C22.2 No. 5 certified, with MIL-DTL-17361 compliance and QPL17361. These certifications support broad regulatory acceptance and OEM qualification for industrial, commercial, and mission-critical applications.
Terminals are without terminals by default, with an optional line-side configuration. Dimensions are 7.4 in L × 5.1 in W × 5.1 in H and a weight of 4.3 lb, making it suitable for compact enclosures and retrofit into engine-generator panels. Its mounting and compatibility simplify panel upgrades and field replacements.
Generator ratings include 81 kVA / 65 kW at 240 Vac, 162 kVA / 130 kW at 480 Vac, and 203 kVA / 162 kW at 600 Vac. With 225 A protection and high short-circuit ratings, the breaker helps prevent fault damage, reduces downtime, and supports long-term maintenance cost savings in genset installations.