General Electric | THLC134020WL | Circuit Breaker | 20A | 3-Pole | 480V | 200kA | Feed-Through

Introducing the General Electric THLC134020WL Circuit Breaker—a purpose-built protection device designed for industrial and commercial electrical systems that demand precise matching of specs. This 20A, 3-pole breaker is engineered for 480V applications with a robust 200kA interrupting capacity and a feed-through configuration, making it ideal for maintenance, retrofit, and replacement projects where exact compatibility matters.

Key specifications

• Amperage: 20A
• Poles: 3-Pole
• Voltage: 480V
• Interrupting Rating: 200kA
• Configuration: Feed-Through
• Part reference: General Electric THLC134020WL

Why this GE breaker stands out

• The THLC134020WL is purposefully designed to fit GE panels and systems that require a precise 20A, 3-pole, 480V, feed-through solution. Using the exact part number helps ensure correct bus compatibility and electrical performance.
• With a 200kA interrupting rating, this breaker provides robust fault current protection for demanding 3-phase applications, helping to minimize damage during faults and improve overall system reliability.
• Feed-through design for downstream protection: The feed-through configuration supports cascading protection and easier downstream wiring, making it practical for panel upgrades, retrofits, or replacing worn-out components without restructuring the entire distribution setup.
• Maintenance-friendly and retrofit-ready: When service life ends or panel specs change, this part offers a straightforward replacement path that preserves system performance without surprises.

Use cases and ideal applications

• Replacing a worn or failed 20A, 3-pole breaker in 480V, three-phase distribution panels.
• Retrofit projects where a feed-through 3-pole, 480V solution is required to support downstream feeders.
• Maintenance scenarios in industrial facilities, manufacturing lines, or commercial electrical rooms that rely on precise GE-compatible components.

Installation and practical notes

Before ordering, confirm fit and ratings for your specific panel or distribution setup. The part number THLC134020WL is the best reference for compatibility, ensuring correct mounting, termination, and electrical performance. If you’re updating an existing system, keep the following in mind:

• Power down the equipment and follow all lockout/tagout procedures before replacement.
• Verify bus type and enclosure clearance to accommodate the feed-through terminal design.
• Cross-check the amperage, pole count, voltage, and interrupting rating to match your circuit’s protection requirements.

Designed to deliver dependable protection and seamless integration in GE-based electrical environments, the THLC134020WL combines precise specification alignment with practical, forward-thinking design. It’s the reliable choice when your project calls for exactness, durability, and a feeder-friendly configuration in a 480V, three-phase system.