Square D | LAP36300MB | Circuit Breaker | 300A | 3-Pole | 22kA

The Square D LAP36300MB circuit breaker is a purpose-built protection device designed for demanding electrical environments. With a 300A rating and a 3-Pole configuration, this unit is ideal for projects that require robust, multi-line protection in commercial or industrial panels. Its 22kA interrupting capacity provides a strong safeguard against short-circuit events, helping keep equipment and personnel safe during fault conditions.

• Amperage: 300A
• Poles: 3-Pole
• Interrupting rating: 22kA
• Part number: LAP36300MB
• Intended use: Maintenance, retrofit, and replacement where matching specs are required
• Compatibility note: The part number is the best reference for compatibility—confirm fit and ratings before ordering

Why this LAP36300MB stands out

• Designed to integrate with Square D panels that specify LAP-series breakers, ensuring a reliable fit within established electrical infrastructures.
• Concrete 22kA short-circuit rating delivers dependable protection for feeders and main circuit paths in higher-capacity installations.
• 3-Pole configuration provides synchronized tripping across three live conductors, simplifying protection of multi-wire branch circuits.

Use cases and ideal applications

• Main service protection in large commercial panels that require a 300A, 3-Pole device.
• Retrofit projects where existing equipment specs call for LAP36300MB or equivalent 300A, 3-Pole, 22kA-rated breakers.
• Replacement of legacy units in upgraded distribution systems that rely on exact part-number compatibility for seamless operation.

Installation and compatibility tips

• Before ordering, verify that your panel model and bus configuration align with LAP-series breakers and that a 300A, 3-Pole device is required.
• Double-check the panel’s voltage and the breaker's interrupting rating to ensure it matches system protection needs.
• During installation, follow all safety protocols for servicing energized panels, and consult a qualified electrician if there’s any uncertainty about fit or ratings.

Summary

For projects demanding a precise, compatible protection solution, the Square D LAP36300MB delivers the 300A, 3-Pole protection you need with a 22kA interrupting capacity. Rely on the part number LAP36300MB to confirm compatibility, and always verify fit and ratings to ensure a secure, code-compliant install.