General Electric | THJK436350WL | Circuit Breaker | 350A | 3-Pole | 600V

Overview

Meet the General Electric THJK436350WL circuit breaker—an authoritative 350-amp, 3-pole device designed to protect 3‑phase electrical systems operating up to 600V. Built for maintenance, retrofit, and replacement tasks, this GE breaker offers dependable protection for demanding industrial and commercial environments. Use this part number as your go-to reference to ensure compatibility and reliable performance in your electrical distribution setup.

Key Specifications

• Amperage: 350A
• Poles: 3-Pole
• Voltage: 600V
• Part number: THJK436350WL
• Ideal use: Maintenance, retrofit, and replacement in GE-compatible panels

Why this GE THJK436350WL Stands Out

Unlike generic replacements, this GE circuit breaker is built to align with GE panel architectures and protection schemes, reducing mismatch risks during upgrades. The 3‑pole design ensures synchronized interruption across all three phases, which is essential for maintaining balance in three-phase systems. With a 350A rating and a 600V capacity, it supports substantial load profiles common in manufacturing, large facilities, and data-critical environments where uptime matters.

Use Cases & Ideal Applications

• Maintenance: refreshing aging or worn-out breakers to prevent unexpected downtime.
• Retrofit: upgrading legacy systems to modern, GE-aligned protection with a like-for-like part reference.
• Replacement: swapping out a malfunctioning GE breaker without compromising panel integrity.

Fit, Compatibility & Ordering Tips

Important: Confirm fit and ratings before ordering. The THJK436350WL part number is the best reference for compatibility with your GE panel and distribution setup. When planning a replacement, compare your panel model, bus configuration, and existing protective device ratings to ensure seamless integration and uninterrupted service.

Installation & Safety Guidance

For safe, compliant installation, engage a licensed electrician and follow all applicable electrical codes and GE’s installation instructions. Proper de-energization, secure terminations, and verification of system protection are essential steps to ensure reliable operation and personal safety.