Eaton NGH312039E Series G Electronic Molded Case Circuit Breaker – 1200A, 3-Pole, 480 Vac, 100 kAIC

The Eaton NGH312039E Series G electronic molded case circuit breaker is engineered for high-capacity protection in commercial and industrial electrical distribution systems. Featuring an electronic trip unit, it provides accurate overload and short-circuit protection for critical power applications. Built on the NG-frame Series G platform, this breaker is HACR rated and suitable for reverse feed use, making it ideal for demanding power distribution environments.

Electrical Ratings

• Current Rating: 1200A
• Voltage Rating: 480 Vac
• Frequency Rating: 50/60 Hz
• Number of Poles: Three-pole
• Interrupt Rating: 100 kAIC at 240 Vac / 65 kAIC at 480 Vac
• Trip Type: T164
• Circuit Breaker Type: NG
• Frame: NG
• Rating: 80% rated

Key Specifications

• Manufacturer: Eaton
• Catalog Number: NGH312039E
• UPC: 786685475622
• Product Type: Electronic molded case circuit breaker
• Series: Series G
• Terminals: Line and load
• Mounting Hardware: Imperial
• Standards: UL Listed, CSA Certified
• Compliances: HACR Rated
• Catalog Notes: All Eaton NG-Frame circuit breakers are suitable for reverse feed use. Breakers do not ship with lugs.
• Warranty: Eaton Selling Policy 25-000

Physical Details

• Product Length/Depth: 5.5 in
• Product Height: 16 in
• Product Width: 8.25 in
• Product Weight: 45 lb

Product Data

• Application: Commercial and industrial electrical distribution systems
• Installation Use: High-capacity Series G breaker assemblies and power distribution equipment
• Function: Provides advanced electronic overload and short-circuit protection for electrical circuits
• System Compatibility: Designed for Eaton NG-frame Series G distribution systems
• Safety Feature: High interrupting capacity and electronic trip protection ensure dependable fault clearing in demanding installations