GE THQB1120GF 1 Pole 20A Ground Fault Circuit Breaker Molded Case

Meet the GE THQB1120GF 1 Pole 20A Ground Fault Circuit Breaker Molded Case—a purpose-built protection device designed for dependable electrical distribution in demanding environments. Crafted by GE, this single-pole ground fault circuit breaker delivers rapid fault interruption and reliable protection for personnel and equipment across industrial, commercial, and challenging residential applications.

What makes the GE THQB1120GF a smart choice

• Precise ground fault protection minimizes shock risk and protects downstream equipment by instantly interrupting power on ground faults.
• 1-pole, 20A configuration targets standard branch circuits with a compact footprint, enabling efficient panel layouts and easier retrofits.
• Molded-case durability designed to withstand the rigors of busy electrical installations, service overlays, and long-term use in demanding settings.
• GE reliability from a trusted brand with a legacy of dependable breakers, ideal for panel upgrades, retrofit projects, and maintenance replacements.
• Stock-ready for professionals a practical choice for electricians, panel builders, and MRO teams needing trusted components for service work or spares.

Ideal applications and use cases

• Panel upgrades where modern ground fault protection is needed without changing the overall panel footprint.
• Retrofit projects to bring existing circuits under improved safety and fault protection.
• Maintenance replacement in commercial or industrial panels where reliability is critical.
• New installations requiring a compact, dependable 1-pole 20A ground fault solution.

Key specifications at a glance

• Amperage rating: 20A
• Poles / configuration: 1 Pole
• Type: Ground Fault Circuit Breaker, Molded Case
• Manufacturer: GE

Practical guidance for installation and compatibility

Use the GE THQB1120GF within GE’s THQB family panels and compatible electrical systems. Ensure proper alignment with panel bus stabs and tighten terminations to the manufacturer’s recommended torque. This breaker is designed to fit standard installation scenarios where quick protection against ground faults is essential, making it a reliable choice for service work, small projects, and spare stocking without sacrificing performance.

Why professionals choose this breaker

Beyond its 1-pole 20A specifications, the GE THQB1120GF offers a straightforward, durable solution for adding or upgrading ground fault protection in a controlled, predictable way. Electricians gain confidence from known GE engineering, consistency across installations, and a component that integrates smoothly into existing or newly designed electrical distributions.