GE 9T18Y4317G11 Circuit Breaker, 600A, 3-Pole, 600V

GE 9T18Y4317G11 circuit breaker is engineered for demanding industrial environments, delivering reliable protection for large electrical loads. With a 600A rating, a 3-pole design, and a 600V maximum system voltage, this GE replacement part is built to safeguard 3-phase power distribution in service, maintenance, and replacement projects.

• Part number verification: Use 9T18Y4317G11 to confirm compatibility with your GE panels and equipment. Verify fit by part number and application requirements before installation.
• Three-phase protection: The 3-pole configuration ensures synchronized tripping across all phases, preventing unbalanced loads and overheating in industrial circuits.
• High-capacity current handling: The 600A rating supports heavy motors, feeders, and distribution lines common in manufacturing floors and industrial facilities.
• Versatile voltage suitability: Designed for systems up to 600V, making it a practical choice for a wide range of industrial distribution panels.

This breaker is ideal for plant maintenance teams performing equipment upgrades, electrical contractors conducting panel retrofits, and facility engineers planning service panel expansion. It provides the dependable protection you need for critical machinery and power feeds, while aligning with GE’s proven reliability in demanding installations.

Why choose this GE circuit breaker — authentic GE performance that integrates smoothly with existing GE-based installations, helping ensure consistent trip characteristics and streamlined asset management through easy part-number tracing.

Practical tips: keep a spare on hand to minimize downtime during planned maintenance, and always de-energize and verify absence of voltage before replacement. If you’re unsure about the fit for your application, send us a message with your panel details and we’ll help confirm compatibility using the 9T18Y4317G11 part number.