Eaton Molded Case Circuit Breaker 90A Three-Pole 480Y/277V AC Series C GHB Fixed Thermal Magnetic

Eaton Series C Complete Molded Case Circuit Breaker

Professional Three-Pole 90A Circuit Protection

The Eaton Series C GHB Circuit Breaker delivers exceptional electrical power management and control performance for commercial and industrial electrical distribution systems. This 90A three-pole molded case circuit breaker provides reliable electrical protection 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

Electrical Performance Excellence

• 90 Ampere Rating - High-capacity current handling for demanding commercial and industrial electrical loads with reliable overcurrent protection
• Three-Pole Configuration - Complete three-phase electrical protection for balanced power distribution in commercial facilities and industrial applications
• 480Y/277V AC and 125/250V DC Voltage Rating - Versatile voltage compatibility for diverse electrical systems including commercial lighting and industrial motor control circuits
• 65 kAIC Interrupt Rating at 240V AC - Superior fault current interruption capability providing enhanced electrical safety and system protection

Advanced Trip Protection

• Fixed Thermal and Magnetic Trip Technology - Dual protection mechanism providing precise overload and short-circuit protection for comprehensive electrical safety
• Series C Engineering - Eaton's proven molded case circuit breaker design delivering consistent performance and long-term reliability
• GHB Type Construction - Complete breaker assembly with G-frame design optimized for professional electrical installations

Professional Installation & Safety

• UL Listed Certification - Meets rigorous electrical safety standards ensuring code compliance and professional installation confidence
• Compact Dimensions - 4" height x 3" width x 2.63" depth design maximizes panel space efficiency while maintaining full electrical performance

Technical Specifications

Amperage Rating: 90A | Voltage Rating: 480Y/277V AC, 125/250V DC | Number of Poles: Three-pole | Interrupt Rating: 65 kAIC at 240V AC | 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 | Compliance: Federal Specifications Classification W-C375B

Installation & Usage

1. Verify electrical system compatibility with 90A rating and 480Y/277V AC or 125/250V DC voltage requirements
2. Ensure proper panel space allocation for three-pole molded case circuit breaker installation
3. Connect line and load conductors to appropriate terminals following NEC guidelines and manufacturer specifications
4. Verify proper mounting and secure mechanical connection within electrical panel or switchgear enclosure
5. Test circuit breaker operation including manual trip and reset functions before energizing protected circuits
6. Document installation details and circuit protection ratings for electrical system records and maintenance schedules

Professional Applications

Ideal for:

• Commercial Electrical Systems - Office buildings, retail facilities, and commercial complexes requiring reliable three-phase power distribution
• Industrial Power Distribution - Manufacturing facilities, processing plants, and industrial installations with high-capacity electrical loads
• Motor Control Centers - Protection for industrial motors, pumps, compressors, and mechanical equipment in commercial applications
• Switchgear Applications - Main distribution panels, sub-panels, and electrical distribution equipment in commercial and industrial facilities
• Electrical Safety Systems - Critical circuit protection for essential electrical systems requiring reliable overcurrent protection
• Power Distribution Panels - Main electrical panels and distribution boards in commercial buildings and industrial facilities
• Lighting Control Systems - Commercial and industrial lighting circuits requiring three-phase power distribution and protection
• HVAC Electrical Systems - Heating, ventilation, and air conditioning equipment protection in commercial and industrial applications

Fixed Thermal-Magnetic Protection Advantage

The dual thermal-magnetic trip mechanism provides comprehensive electrical protection combining thermal overload protection for sustained overcurrent conditions with magnetic protection for short-circuit faults. This proven technology ensures reliable circuit protection while minimizing nuisance tripping, making it ideal for commercial and industrial electrical applications where consistent power availability is critical.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton leads the industry in intelligent power solutions and electrical safety technology. Our UL Listed circuit breakers meet the highest electrical safety standards, providing the reliability and performance that electricians, electrical contractors, and facility professionals trust worldwide. From commercial office buildings to industrial manufacturing facilities, Eaton's commitment to electrical excellence ensures your power distribution systems operate safely and efficiently.