The Eaton Series C GHB 40A G-Frame Molded Case Circuit Breaker is engineered for industrial and commercial applications requiring robust overcurrent protection. This fixed-trip breaker combines thermal and magnetic elements to safeguard circuits from overloads and short circuits.

Key Features:

• Frame Type: G-Frame, GHB series
• Amperage Rating: 40 A
• Voltage Ratings: 480Y/277 Vac; 125/250 Vdc
• Trip Type: Fixed thermal and fixed magnetic
• Poles: Two-pole configuration
• Frequency: 50/60 Hz
• Interrupting Capacity: 14 kAIC at 480Y/277 Vac
• Mounting: Bolt-on
• Wire Size: #14–4 AWG Cu/Al
• Application: Suitable for panelboards, switchboards, motor control centers, and busway applications

This breaker is ideal for installations requiring reliable protection against overcurrents, ensuring the safety and longevity of electrical systems.

Documents:

Catalogs
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2

Specifications and datasheets
Series C G-Frame molded case circuit breakers time current curves
Eaton Specification Sheet - GHB2040