Square D | LHP36300 | Circuit Breaker | 300A | 3-Pole | 600V

The Square D LHP36300 circuit breaker delivers reliable 300A overcurrent protection in a compact 3-pole design, rated for 600V. Built for demanding industrial environments, this unit is an excellent choice for maintenance, retrofit, and replacement projects where exact specifications must be matched to keep your electrical system running safely and efficiently.

Key specifications

• Amperage: 300A
• Poles: 3-Pole
• Voltage: 600V
• Part number: LHP36300

Why this model stands out

• The part number LHP36300 is the most reliable reference for matching your panel’s protection scheme, ensuring correct trip characteristics and safe operation.
• Designed to handle continuous, heavy-load applications common in commercial and manufacturing settings, reducing the risk of nuisance trips and unplanned downtime.
• When upgrading or replacing aging protection, this 3-pole, 600V unit fits the exact specs needed for seamless integration with existing wiring configurations and feeder layouts.

Ideal use cases

• Replacing a failed 300A, 3-pole, 600V breaker in factory service panels or motor control centers.
• Retrofits to bring legacy electrical systems up to current protection standards without changing upstream components.
• New installations in environments where a robust, three-phase protection device is required to safeguard large feeders and motors.

How to verify fit and install

• Ensure the application requires 300A, 3-Pole, and 600V protection.
• Cross-check the panel schedule or electrical drawings to confirm the LHP36300 part number matches the intended replacement.
• Before installation, power down the equipment, follow all local electrical codes, and install in accordance with the panel manufacturer’s guidelines.

For projects demanding precise spec alignment and dependable overcurrent protection, the Square D LHP36300 circuit breaker is a purpose-built solution. Use the part number as the definitive reference to ensure compatibility and uninterrupted performance in your electrical distribution system.