Square D LRA36250U33X - 250 A, 3-Pole Plug-In Circuit Breaker | AmpState

Square D LRA36250U33X is a 250 A, 3-pole plug-in molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its fast plug-in connection means quicker installs and easier replacements, reducing downtime during upgrades or service work.

• Fast plug-in connection: enables rapid installation and straightforward replacement, minimizing system downtime.
• Thermal-magnetic trip unit: delivers stable, repeatable protection by automatically responding to overheating and short-circuit conditions, helping prevent damage to wiring and connected equipment.
• OEM-compatible design: specifically engineered to work with matching Square D OEM load centers and panelboards for a correct fit, predictable trip characteristics, and reliable performance.
• Versatile for multiple environments: suitable for residential, commercial, and light industrial applications where robust protection and easy maintenance matter.

Technical specifications

• Manufacturer: Square D
• Part number: LRA36250U33X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 250 A
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this model stands out

Designed for dependable protection in panelboards and load centers, the LRA36250U33X pairs a rugged plug-in connection with a precise thermal-magnetic trip mechanism. This combination provides fast, hassle-free installation without sacrificing protection accuracy. By aligning with matching OEM centers, it preserves the intended trip curves and electrical characteristics of your system, helping you maintain consistent protection across all fed circuits.

Ideal use scenarios

• Upgrading or expanding panelboards in commercial spaces that require solid 3-phase protection with high current capabilities.
• Replacing aging breakers in residential or light industrial panel centers to restore reliable branch circuit protection.
• Implementing new 250 A feeders in systems where quick plug-in replacements minimize downtime during service work.

Tips for installation and compatibility

• Verify that your panelboard or load center is designed to accept plug-in 3-pole molded case breakers of this type and that the busbar configuration matches the device.
• Ensure the replacement breaker is the exact part number or equivalent OEM-compatible model to maintain proper fit and protection characteristics.
• Adhere to local electrical codes and use proper safety procedures when performing panel work; power should be isolated and tested by a qualified professional.

Available from AmpState, the Square D LRA36250U33X 250 A, 3-pole plug-in breaker is built for professionals who demand quick installation, dependable protection, and OEM-aligned performance in panelboards and load centers. Upgrade your electrical protection with a unit that combines fast installation, precise protection, and broad applicability across residential, commercial, and light industrial settings.