Eaton JGH3090FAG - 90 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton JGH3090FAG is a 90A, 600V, 3-pole molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection for panelboards and load centers. Built to perform in real-world environments—from homes to light commercial and industrial applications—it provides dependable safeguarding where it matters most.

• Amperage: 90A • Voltage: 600V • Poles: 3
• Thermal-magnetic trip unit for stable, repeatable protection across a range of loads and temperatures
• Compact molded case design that makes efficient use of panel space and simplifies installation
• Compatible with matching OEM load centers and panelboards for seamless replacement and updated protection
• Suitable for residential, commercial, and light industrial applications requiring reliable branch circuit protection

Why this breaker stands out

Designed for precision protection, the JGH3090FAG combines a thermal element that senses gradual overloads with a magnetic mechanism that delivers instantaneous trips during short-circuit events. The result is a protective device that minimizes nuisance trips while delivering fast fault clearance when lines short or overload. The compact form factor helps you maximize panel space without sacrificing performance, making it an optimal choice when panel real estate is at a premium.

Ideal use cases

• New installations in residential panels where 3-phase protection is required for equipment or subpanels
• Retrofitting or upgrading existing panelboards and load centers that accept OEM-compatible molded case breakers
• Commercial loads such as HVAC equipment, lighting panels, and small-to-medium distribution circuits
• Light industrial setups that demand dependable overcurrent protection at 90A with a 600V rating

Performance and protection you can trust

With a 90A rating and 600V capability, this breaker is built to manage typical commercial and light industrial feeder protection while ensuring safe, predictable operation. The thermal-magnetic trip unit provides consistent response across temperature swings and load variations, helping protect conductors, devices, and downstream equipment from damage due to overloads or short circuits.

Compatibility and installation guidance

The JGH3090FAG is specifically designed to be compatible with matching OEM load centers and panelboards, simplifying replacement and maintenance workflows. When installing or upgrading, verify panelboard compatibility with Eaton’s OEM specifications and follow standard electrical practices for molded case breakers, including secure mounting, proper terminal torque, and adherence to local electrical codes.

Technical snapshot

• Manufacturer: Eaton
• Part Number: JGH3090FAG
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 90A
• Voltage: 600V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection