Eaton JG3070CT Engine Generator MCB - 14 kAIC
Part Number: JG3070CT
Quick Summary
Eaton JG3070CT engine generator molded case circuit breaker protects gen sets and electrical systems in industrial facilities. Engineers often struggle with compatibility and reliable trip protection for engine-driven power, especially under reverse-feed or dual-voltage configurations. UL Listed, CSA Certified, and IEC 947-2 compliant specifications help ensure regulatory alignment and safer panel assemblies. With a three-pole, 70A frame rated at 600 Vac and 14 kAIC, the JG3070CT reduces wiring complexity and simplifies installation in mixed-gen environments. This translates into lower risk, faster maintenance, and a clear business case for standardizing protective devices across generator-backed applications.
Product Information
Extended Description
JG3070CT Eaton: Eaton Series C complete EG molded case circuit breaker, J-frame, Complete breaker, Thermal-magnetic trip, Three-pole, 70A, 600 Vac, 14 kAIC at 480 Vac, Line and load, Engine generator, Reverse feed, 60 Hz
Product Name
Eaton complete engine generator molded case circuit breaker
Catalog Number
JG3070CT
UPC
786679108826
Product Length/Depth
4.06 in
Product Height
10 in
Product Width
4.13 in
Product Weight
9.21 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 IEC Rated UL 489 CSA Certified CSA Std. C22.2 No. 5 IEC 947-2
Amperage Rating
70A
Voltage rating
600 Vac
Trip Type
T268
Circuit breaker frame type
Complete breaker
Terminals
Line and load
Frame
J
Frequency rating
60 Hz
Class
Engine generator
Accessories
Center tap studs for dual voltage applications
Interrupt rating
14 kAIC at 480 Vac
Number of poles
Three-pole
Functions
Reverse
Engine generator circuit breakers catalog
Circuit Breakers Explained
Eaton Specification Sheet - JG3070CT
Feature: Thermal-magnetic trip provides precise overcurrent protection. Business Impact: Minimizes nuisance trips and protects windings during surge conditions. Application: Engine-generator systems with frequent start-up transients and 60 Hz operation. Feature: Three-pole complete breaker with line/load terminals in a J-frame package. Business Impact: Reduces installation time and panel footprint while maintaining robust protection. Application: Industrial electrical panels and engine-generator power sections. Feature: Center tap studs for dual voltage applications. Business Impact: Enables flexible voltage configurations and simplifies reverse-feed or dual-voltage installations. Application: Dual-voltage engine-generator setups across commercial facilities. Feature: Certifications UL Listed, CSA Certified, IEC 947-2. Business Impact: Facilitates regulatory compliance and reduces risk during audits. Application: Global panel integrations requiring verified standards. Feature: Warranty and support—Eaton's 25-000 policy, one year from installation or 18 months from shipment. Business Impact: Lowers maintenance risk and improves total cost of ownership. Application: Procurement planning and long-term asset management. Feature: 70A, 600 Vac rating with 14 kAIC interrupt capacity. Business Impact: Handles high transient faults common in generator systems, improving uptime. Application: Engine-generator protection in 60 Hz networks with reverse-feed scenarios.
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FAQs
The JG3070CT is a three-pole, 70A molded case circuit breaker rated for 600 Vac with a 14 kAIC interrupt capacity at 480 Vac. It is designed for engine-generator applications at 60 Hz, providing robust protection for generator sets and associated panels.
Yes. The JG3070CT supports reverse-feed scenarios with line and load terminals and the capability to utilize center tap studs for dual-voltage setups, enabling safe and reliable operation when the generator alternates with utility power.
This breaker carries UL Listed status, CSA Certified, and IEC 947-2 with IEC ratings. It also aligns with UL 489 standards for molded case breakers, providing broad regulatory acceptance across North America and international markets.
Choose the JG3070CT for its compact J-frame, line/load termination, and compatibility with engine-generator panels. Use center tap studs when dual-voltage configurations are required, and ensure mounting aligns with 60 Hz generator systems and proper clearance for thermal-magnetic trip performance.
Eaton offers a warranty under policy 25-000: one year from installation or 18 months from shipment, whichever occurs first. This provides protection against manufacturing defects and supports maintenance planning for engine-generator protection in critical facilities.