Square D LGP36400CU33X - 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Square D LGP36400CU33X is a 600V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and loadcenters. Built for durability, this unit stays securely seated in service environments where vibration and movement are common, helping protect vital electrical circuits from overloads and short circuits.

Why this bolt-on breaker stands out

• Rigid, vibration-resistant bus connection: Secure bolt-on mounting ensures a stable, long-lasting electrical path and reduces wear over time.
• Thermal-magnetic trip unit: Combines thermal and magnetic sensing for predictable, repeatable protection against both overloads and instantaneous faults.
• OEM compatibility: Designed to pair with matching Square D load centers and panelboards for reliable fit and coordinated protection.
• Versatile across sectors: Suitable for residential, commercial, and light industrial applications where robust protection is essential.
• Three-pole, 600V design: Ideal for three-phase circuits and shared-neutral configurations in appropriate systems.

Technical snapshot

• Manufacturer: Square D
• Part Number: LGP36400CU33X
• Type: Thermal-magnetic molded case circuit breaker
• Voltage Rating: 600V
• Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Real-world scenarios and benefits

• Upgrading panelboards in commercial spaces where dependable protection and a secure, vibration-proof connection matter for equipment like lighting, motors, and control circuits.
• Installing in residential subpanels or service panels that require alignment with existing Square D OEM components for seamless coordination.
• Using in light industrial environments where equipment vibrations are common, ensuring consistent protection without frequent nuisance trips.

Installation and compatibility tips

Choose the LGP36400CU33X when you need a plug-and-play fit within compatible Square D panel systems. Follow standard electrical practice for bolt-on devices: ensure power is off, torque connections to manufacturer specifications, and verify that the breaker trip settings align with upstream protection to maintain proper selectivity. This unit is engineered to integrate smoothly with matched OEM load centers and panelboards, helping you maintain a cohesive protection scheme across the electrical stack.

From AmpState, you receive OEM-grade reliability with a part designed for long-term performance in residential, commercial, and light industrial applications. The Square D LGP36400CU33X delivers not just protection, but a stable, proven path for your electrical infrastructure.