Square D LHL36225 - 225 A, 3-Pole Circuit Breaker | AmpState

The Square D LHL36225 is a 225-amp, 3-pole molded case circuit breaker engineered to protect panelboards and loadcenters from overcurrent and short-circuit events. Its compact design helps maximize panel space, making it a practical choice for clean, reliable electrical protection in a variety of setups.

Stable, repeatable protection with a thermal-magnetic trip

Equipped with a thermal-magnetic trip unit, this breaker delivers dependable overload and short-circuit protection with consistent performance over time. The thermal element handles gradual heat build-up, while the magnetic trip provides immediate action for high-energy faults, helping to prevent equipment damage and unplanned downtime.

• Compact molded case design: Optimizes space inside panelboards and loadcenters for easier wiring and future expansion.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection for both overload and short-circuit conditions.
• OEM-compatible: Designed to be used with matching OEM loadcenters and panelboards, ensuring proper fit and performance.
• Specification at a glance: 225A; 3-pole; Type: thermal-magnetic molded case circuit breaker.
• Wide range of use: Suitable for residential, commercial, and light industrial applications, addressing a broad spectrum of protection needs.

Ideal use cases and practical applications

This 225A, 3-pole breaker is well-suited for protecting branch circuits in distribution panels and loadcenters where a robust, space-efficient solution is required. Typical scenarios include main or feeder protection in larger residential panels, commercial distribution boards for lighting and power circuits, and light industrial panels where dependable short-circuit interruption is crucial.

Why choose the LHL36225 over alternatives

Beyond basic specs, the LHL36225 provides a proven combination of space efficiency and reliable protection. Its compatibility with matching OEM panels helps minimize installation headaches and ensures coherent performance with your existing electrical ecosystem. The rugged molded-case design reduces panel clutter while delivering precise, repeatable trip behavior—an essential advantage for any system where uptime matters.

Key specifications at a glance

• Manufacturer: Square D
• Part Number: LHL36225
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 225A
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Practical tips for installation and lifecycle

To get the most from the LHL36225, pair it with the appropriate OEM panelboard and follow the manufacturer’s installation guidelines for three-pole devices. Plan for spare breakers in your service panels to simplify future equipment upgrades, and label circuits clearly to streamline maintenance and fault tracing. With its compact form and robust trip mechanism, this breaker is a reliable choice for ensuring continued service and safety across residential, commercial, and light industrial environments.