Square D | LXI36350 | Circuit Breaker | 350A | 3-Pole | 600V

Meet the Square D LXI36350 circuit breaker—a purpose-built, high-capacity protection device designed for demanding 600V three-phase power systems. With a 350A rating and a 3-pole configuration, it provides precise, reliable interruption across all three phases, helping to safeguard feeders, motors, and critical equipment in industrial and commercial environments.

Key specifications

• Amperage: 350 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Series/reference: LXI36350

Why choose LXI36350 for your panel

• The 3-pole design ensures synchronized disconnection across all phases, reducing arc risk and unplugging faults quickly to protect downstream equipment.
• Built for continuous operation in harsh environments, providing dependable overcurrent protection for feeders and distribution circuits.
• This part is crafted to match Square D panels and LXI-series configurations, making it a straightforward replacement or retrofit option when upgrading or refurbishing existing systems.
• The LXI36350 designation is the strongest reference for achieving a proper fit in compatible Square D installations.

Ideal use scenarios

• Maintenance and service upgrades on 600V, three-phase distribution networks in manufacturing facilities, processing plants, and large commercial complexes.
• Retrofit projects where an exact 350A, 3-pole, 600V device is required to maintain system protection and panel harmony.
• Replacement of aging protection devices in existing Square D installations to restore reliable fault interruption and minimize downtime.

Fit, compatibility, and installation notes

• Before ordering, verify fit and ratings against your panel’s labeling. The part number LXI36350 serves as the best compatibility reference for matching geometry and trip characteristics.
• Plan for 3-phase circuits by confirming your bus stabs, mounting orientation, and enclosure space align with a 3-pole, 350A, 600V breaker.
• In the field, ensure basic safety protocols are followed and the power is isolated before handling replacement or retrofit work.

For facilities seeking dependable, purpose-built protection that aligns with Square D standards, the LXI36350 delivers clear value: precise 350A protection, reliable 3-pole interruption, and straightforward compatibility for upgrading or maintaining 600V three-phase networks. If your system requires a true, drop-in replacement that preserves panel integrity and performance, this LXI36350 is a well-considered choice.