General Electric | THFK224100WL | Circuit Breaker | 100A | 2-Pole | 480V

Meet the General Electric THFK224100WL circuit breaker—a precise, dependable overcurrent protector for 480V electrical systems. With a 100A rating and a 2-pole design, this GE breaker is built for serious commercial and light industrial applications where reliable shutdown and safe maintenance are non-negotiable.

Key specifications

• Amperage: 100A
• Poles: 2-Pole
• Voltage: 480V
• Part reference: THFK224100WL

What makes this GE breaker unique

Unlike single-pole options, the 2-pole design ensures both hot legs are simultaneously disconnected, which is essential for safely servicing 480V circuits. The THFK224100WL model is a dedicated, exact-match solution that helps you maintain consistent protection across your system, reducing risk during maintenance and upgrades. By matching this specific part, you minimize downtime and avoid compatibility hiccups that can arise from generic replacements.

Who should consider it

This breaker is ideal for facility managers, electricians, panel builders, and maintenance teams responsible for replacing worn components in GE-compatible systems or retrofitting older panels to ensure dependable protection. It’s well-suited for protecting motors, drives, HVAC equipment, and other 480V loads found in commercial or industrial environments.

Use cases and scenarios

• Maintenance and service work on 480V distribution circuits requiring true two-pole protection
• Retrofits to bring aging panels up to current 100A, 2-pole, 480V specifications
• Replacement in GE-approved panels where exact part compatibility is critical to avoid nuisance trips or fitment issues
• New installations in environments where reliable, code-aligned overcurrent protection is needed for high-demand equipment

How to ensure the right fit

Always confirm fit and ratings before ordering. The part number THFK224100WL is the best reference for compatibility, ensuring you match amperage, pole configuration, and voltage with your panel’s requirements.

Installation and practical tips

Before you replace or install the breaker, power down the main disconnect and verify the absence of voltage. Handle the unit by its housing, align with the bus bars, and secure it firmly to prevent arcing or loose connections. Keep the replacement in its original packaging until you’re ready to install to protect the internal trip mechanism and contacts.