Square D | LEL36450LSG | Circuit Breaker | 450A | 3-Pole | 600V

Meet the Square D LEL36450LSG Circuit Breaker—a rugged 450A, 3-Pole protection device built for 600V systems. Crafted for maintenance, retrofit, and replacement projects, it provides precise alignment with existing equipment while delivering dependable, three-phase protection when it matters most.

• 450 Ampere rating for main feeders and high-demand circuits
• 3-Pole configuration to safeguard all three phases in a 3-phase system
• 600V maximum system voltage suitable for industrial distribution and heavy equipment
• Square D form factor designed to fit standard panels and enclosure cutouts, enabling straightforward retrofits
• Thermal-magnetic trip mechanism balances reliable overload protection with rapid short-circuit interruption
• Clear compatibility reference the part number LEL36450LSG ensures you’re selecting the exact replacement or match for your existing setup

Why this model stands out When your goal is a precise, field-ready replacement, the LEL36450LSG delivers the right combination of amperage, voltage, and trip behavior without forcing panel modifications. Its exact spec alignment helps minimize downtime and keeps large-motor and three-phase feeders protected under demanding loads.

Ideal use cases:

• Replacing a worn or failed 3-phase breaker in 600V service panels
• Upgrading panel capacity to support higher-demand equipment in manufacturing, processing, or large facilities
• Maintaining reliable protection for large motors, conveyors, and multi-drive systems in industrial environments

Compatibility and installation tips: Confirm fit and ratings before ordering. Use the exact part number LEL36450LSG as your reference to ensure correct form factor and trip characteristics. When installing, de-energize the circuit, follow your site’s safety procedures, and verify that the panel labeling indicates support for a 3-Pole, 600V breaker of this rating.

Practical considerations: Keep a spare LEL36450LSG on hand for scheduled maintenance or unexpected failures to reduce downtime. This model is designed to slot into existing Square D ecosystems that require a 450A, 3-Pole, 600V solution with minimal disruption.