Eaton Molded Case Circuit Breaker 20A Single-Pole 277V AC 125V DC 14kAIC Series C GHB Fixed Thermal-Magnetic

Eaton Series C Molded Case Circuit Breaker

Professional Single-Pole Thermal-Magnetic Circuit Protection

The Eaton Series C GHB Molded Case Circuit Breaker delivers exceptional electrical power management and control performance for commercial and industrial electrical protection applications. This 20A single-pole circuit breaker provides reliable electrical protection with 277V AC and 125V DC voltage ratings, 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

Advanced Circuit Protection Performance

• 20 Ampere Current Rating - Provides precise overcurrent protection for medium-duty electrical circuits with reliable thermal-magnetic trip operation
• 14 kAIC Interrupt Rating at 277V AC - Delivers superior short-circuit interrupting capacity for commercial electrical systems requiring high fault current protection
• Dual Voltage Capability - Operates at both 277V AC and 125V DC voltage levels for versatile electrical system compatibility and flexible installation options
• Fixed Thermal-Magnetic Trip Technology - Combines thermal overload protection with magnetic short-circuit protection for comprehensive electrical fault detection and circuit isolation

Professional Installation & Protection

• Single-Pole Configuration - Compact design for space-efficient panel installation while providing complete circuit protection and isolation capabilities
• G-Frame Construction - Robust molded case design engineered for durability and reliable performance in demanding commercial electrical environments
• UL Listed Certification - Meets rigorous electrical safety standards and code compliance requirements for professional electrical installations

Technical Specifications

Amperage Rating: 20A | Voltage Rating: 277V AC, 125V DC | Number of Poles: Single-pole | Interrupt Rating: 14 kAIC at 277V 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 1" W x 2.63" D | Weight: 0.65 lb | Certifications: UL Listed | Compliances: Federal Specifications Classification W-C375B

Installation & Usage

1. Verify electrical system voltage compatibility with 277V AC or 125V DC rating specifications
2. Ensure proper panel mounting space for G-frame molded case circuit breaker dimensions
3. Connect load conductors to circuit breaker terminals following NEC wiring requirements
4. Verify 20A load compatibility and proper circuit sizing for connected electrical equipment
5. Test thermal-magnetic trip operation and reset functionality before energizing circuits
6. Document circuit breaker installation and interrupt rating for electrical system records

Professional Applications

Ideal for:

• Commercial Electrical Systems - Office buildings, retail facilities, and commercial properties requiring reliable 277V circuit protection
• Industrial Power Distribution - Manufacturing facilities and industrial plants needing robust molded case circuit breaker protection
• Lighting Control Circuits - Commercial lighting systems operating at 277V with thermal-magnetic overcurrent protection
• Motor Control Applications - Single-phase motor circuits requiring precise 20A overcurrent protection and isolation
• Panel Board Installation - Electrical distribution panels and switchboards requiring compact single-pole protection
• DC Power Systems - 125V DC applications including battery systems and DC motor control circuits
• Electrical Safety Systems - Critical circuits requiring high interrupt capacity and reliable fault protection
• Code Compliance Projects - Electrical installations requiring UL Listed circuit protection devices

Thermal-Magnetic Technology Advantage

The fixed thermal-magnetic trip mechanism provides dual protection against electrical faults, combining thermal elements for overload protection with magnetic elements for short-circuit protection. This proven technology ensures reliable circuit isolation during overcurrent conditions while maintaining precise trip characteristics for consistent electrical system protection.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers unmatched reliability and performance in molded case circuit breaker technology. Our commitment to electrical safety, UL certification compliance, and advanced thermal-magnetic protection makes Eaton the trusted choice for electricians, electrical contractors, and facility professionals worldwide who demand superior circuit protection and dependable electrical performance.