Eaton Molded Case Circuit Breaker 30A Three-Pole 480Y/277V Series C GHB Fixed Thermal-Magnetic G-Frame
Professional Industrial Circuit Protection Equipment
The Eaton Series C GHB Molded Case Circuit Breaker delivers exceptional electrical power protection and control performance for industrial and commercial electrical systems. This 30 ampere three-pole circuit breaker provides reliable electrical protection with 65 kAIC interrupt rating at 240 Vac, designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.
Professional Features & Benefits
Superior Electrical Protection Performance
- 30 Ampere Three-Pole Configuration - Provides comprehensive electrical protection for three-phase industrial and commercial power distribution systems with reliable current interruption capability
- 480Y/277 Vac and 125/250 Vdc Voltage Rating - Versatile voltage compatibility for diverse industrial electrical applications including motor control centers and power distribution panels
- 65 kAIC Interrupt Rating at 240 Vac - High fault current interrupting capacity ensures reliable protection against electrical faults and short circuits in demanding industrial environments
- Fixed Thermal-Magnetic Trip Technology - Dual protection mechanism combining thermal overload protection with magnetic short-circuit protection for comprehensive electrical safety
Professional Installation & Design
- G-Frame Complete Breaker Design - Compact 4" height x 3" width x 2.63" depth dimensions with 1.75 lb weight for efficient panel space utilization and professional installation
- Series C Engineering Excellence - Eaton's proven molded case circuit breaker technology with UL Listed certification and Federal Specifications Classification W-C375B compliance
- 50/60 Hz Frequency Rating - Universal frequency compatibility for standard North American and international electrical power systems
Technical Specifications
Amperage Rating: 30A, Voltage Rating: 480Y/277 Vac, 125/250 Vdc, Number of Poles: Three-pole, Interrupt Rating: 65 kAIC at 240 Vac, Series: Series C, Circuit Breaker Type: GHB, Trip Type: Fixed thermal, fixed magnetic, Frame: G-frame, Frequency Rating: 50/60 Hz, Dimensions: 4" H x 3" W x 2.63" D, Weight: 1.75 lb, Certifications: UL Listed, Compliances: Federal Specifications Classification W-C375B
Installation & Usage
- Verify electrical system compatibility with 30A three-pole configuration and 480Y/277 Vac voltage requirements
- Ensure proper panel space allocation for G-frame dimensions and mounting requirements
- Connect three-phase conductors to appropriate terminals following NEC guidelines and manufacturer specifications
- Verify proper torque specifications for terminal connections to ensure reliable electrical contact
- Test circuit breaker operation including trip and reset functions before energizing the protected circuit
- Document installation details including circuit identification and protection settings for maintenance records
Professional Applications
Ideal for:
- Industrial Power Distribution - Motor control centers, industrial panels, and three-phase power distribution systems requiring reliable 30A circuit protection
- Commercial Electrical Systems - Office buildings, retail facilities, and commercial installations with 480Y/277V electrical infrastructure
- Manufacturing Facilities - Production equipment protection, machinery circuits, and industrial process control applications
- Electrical Switchgear Applications - Main distribution panels, sub-panels, and electrical equipment protection in industrial environments
- Motor Protection Circuits - Three-phase motor starter panels and motor control applications requiring thermal-magnetic protection
- Power Distribution Centers - Electrical distribution equipment, load centers, and power management systems
- Facility Electrical Infrastructure - Building electrical systems, electrical rooms, and critical power distribution applications
- Industrial Control Panels - Process control systems, automation equipment, and industrial electrical control applications
Fixed Thermal-Magnetic Protection Advantage
The fixed thermal-magnetic trip technology combines the benefits of thermal overload protection for sustained overcurrent conditions with instantaneous magnetic protection for short-circuit faults. This dual protection mechanism ensures comprehensive electrical safety while maintaining reliable operation in industrial environments where consistent protection settings are critical for system coordination and electrical safety compliance.
Why Choose Eaton Quality?
Eaton's century-plus experience in electrical power management innovation delivers the Series C molded case circuit breaker line with proven reliability and advanced protection technology. With UL Listed certification and compliance with Federal Specifications, this circuit breaker provides the electrical safety standards and dependable performance that electricians, electrical contractors, and facility professionals trust worldwide for critical power protection applications.
EAT-GHB3030 - spec sheet
Manufacturer Resources
Product Specs
- Amperage Rating:
- 30 A
- Certifications:
- UL Listed
- Circuit Breaker Frame Type:
- Complete breaker
- Circuit Breaker Type:
- GHB
- Compliances:
- Federal Specifications Classification W-C375B
- Frame:
- G
- Frequency Rating:
- 50/60 Hz
- Interrupt Rating:
- 65 kAIC at 240 Vac
- Number Of Poles:
- Three-pole
- Product Height:
- 4 in
- Product Length Depth:
- 2.63 in
- Product Weight:
- 1.75 lb
- Product Width:
- 3 in
- Series:
- Series C
- Trip Type:
- Fixed thermal, fixed magnetic
- Voltage Rating:
- 480Y/277 Vac, 125/250 Vdc
- Product Type:
- Molded Case Circuit Breaker
- Product Group:
- Electrical
- Product Subgroup:
- Circuit Breaker
- Department:
- Electrical