Square D | LEL36150LSG | Circuit Breaker | 150A | 3-Pole | 600V

Introducing the Square D LEL36150LSG circuit breaker—the reliable, three-pole protection that belongs in your 600-volt, 150-amp distribution setups. Designed for maintenance, retrofit, and replacement projects, this breaker delivers precise overcurrent protection where three-phase power is in use, helping keep equipment running and crews safe.

Why the LEL36150LSG stands out

• Exact fit for three‑phase, 600V systems. A 150A, 3‑pole design that aligns with common industrial and commercial electrical architectures, ensuring dependable protection across all three phases.
• Square D reliability. Built to meet the quality standards you expect from the Square D family, with a design that integrates smoothly into compatible panels and distribution equipment.
• Retrofit and replacement ready. Particularly well-suited for maintenance programs and panel upgrades where maintaining the exact specifications matters for system compatibility.
• Part‑number driven compatibility. The LEL36150LSG is the best reference for cross‑checking fit; always confirm the specific panel ratings and mounting requirements before ordering.

Ideal applications

• Industrial control panels and commercial distribution boards operating at up to 600V
• Retrofit projects to modernize aging 3‑pole protection in 150A circuits
• Replacement scenarios where the panel schedule or service manual points to the LEL36150LSG as the matching part

How to verify compatibility

Before ordering, confirm that the LEL36150LSG matches your panel’s specifications. Use the part number as the primary reference to ensure correct trip characteristics, mounting style, and bus compatibility. If in doubt, cross‑check against the panel’s labeling and the equipment’s service documentation to avoid mismatches.

Installation and care tips

• Power down the system and follow lockout/tagout procedures before any work.
• Ensure the breaker’s mounting and bus connection align with the panel’s design to maintain secure, lift‑free operation.
• Refer to the panel manufacturer’s documentation for torque and mounting guidance to avoid over‑ or under‑tightening.
• Use this part as part of a broader maintenance program to keep distribution systems running smoothly and safely.

Key specifications

• Amperage: 150 A
• Poles: 3‑Pole
• Voltage rating: 600 V
• Part number: LEL36150LSG

Choose the Square D LEL36150LSG when you need a dependable, correctly-rated 3‑pole breaker for 600V systems. It’s designed to slot into compatible Square D panels with minimal hassle, providing clear protection for multi‑phase loads while supporting your ongoing maintenance and retrofit efforts.