Eaton JGS2125FAG Complete MCCB - UL Listed, 600 Vac

Part Number: JGS2125FAG
Manufacturer
Eaton
Part number
JGS2125FAG

Quick Summary

Eaton JGS2125FAG molded case circuit breaker protects industrial panel distributions and motor circuits with reliable overcurrent protection. Engineers often wrestle with nuisance trips, selective coordination challenges, and limited panel space, making a compact yet robust solution essential. This MCCB is CE marked, CSA Certified, and UL Listed, and features the Series G design with a JG frame for dependable performance across 50/60 Hz systems. The combination of metric mounting, line and load terminals, and an 125 A rating at 600 Vac delivers both installation flexibility and strong protection, supporting efficient panel design and reduced downtime while maintaining safety and compliance.

Product Information

Extended Description

JGS2125FAG Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, Fixed thermal, adjustable magnetic trip, Two-pole, 125A, 600 Vac, 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac, Line and load, Metric, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGS2125FAG
UPC
786685017990
Product Length/Depth
3.57 in
Product Height
4.13 in
Product Width
4.13 in
Product Weight
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.
Compliances
CE Marked
Certifications
CSA Certified IEC Rated UL Listed
Type
Complete breaker
Amperage Rating
125 A
Voltage rating
600 Vac
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Rating
80% rated
Series
Series G
Terminals
Line and load
Frame
JG
Frequency rating
50/60 Hz
Mounting hardware
Metric
Interrupt rating
35 kAIC at 480 Vac 18 kAIC at 600 Vac 85 kAIC at 240 Vac
Number of poles
Two-pole
Feature → Business Impact → Application Eaton Series G complete molded case circuit breaker uses a fixed thermal trip with an adjustable magnetic trip, enabling precise overcurrent protection and selective coordination across motor and line protection schemes. This translates to reduced nuisance trips, improved uptime, and better energy management in control panels and motor control centers. In practice, technicians benefit from straightforward metric mounting and standardized line/load terminals, which speed up installation and maintenance in manufacturing environments. The 125 A, 600 Vac rating supports common industrial feeders, while the 50/60 Hz compatibility ensures reliable operation in global facilities. By meeting CE Marked, CSA Certified, and UL Listed standards, you gain regulatory peace of mind and easier cross-border acceptance, reducing certification costs and project risk. The device’s two-pole design minimizes wiring complexity and supports efficient fault isolation, improving troubleshooting workflows and system reliability. The 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, and 18 kAIC at 600 Vac interrupt ratings offer robust protection even in demanding motor loads, with an 80% rated performance providing a safe margin for startup surges and transient faults. This combination of features supports compliant, cost-effective deployments in control panels, electrical distribution, and machinery applications.

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FAQs

The JGS2125FAG is designed for metric mounting in industrial control panels and motor control centers. It uses line and load terminals and supports 50/60 Hz service. Its two-pole design and 125 A rating make it suitable for feeder protection, machine control panels, and distribution boards, with straightforward torque requirements and wiring layouts to minimize commissioning time.
Key specs include amperage rating of 125 A, voltage rating of 600 Vac, two-pole configuration, and frame type JG. Trip type is T185 with fixed thermal and adjustable magnetic interruption. Interrupt ratings are 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, and 18 kAIC at 600 Vac, with 50/60 Hz operation and 80% rated performance for startup surges.
Yes. The JGS2125FAG carries CE Marking, CSA Certification, and UL Listing, meeting international safety and performance standards. This multi-certification profile supports global deployment in regulated environments and simplifies approval processes for panel builds and machine integrations.
This two-pole MCCB is ideal for industrial control panels, motor control centers, and distribution panels requiring reliable overcurrent protection. It supports selective coordination with Series G components, offers robust fault interruption, and aligns with control‑panel standards, reducing downtime and improving maintenance workflows in manufacturing and processing facilities.
Eaton’s policy 25-000 provides a one-year warranty from installation or 18 months from shipment, whichever occurs first. For service, spare parts, and technical support, contact Eaton’s service centers or the authorized distributor network. This coverage helps minimize total cost of ownership and ensures timely support during commissioning and operation.