Square D LAB36300 Circuit Breaker, 300A, 3-Pole, 600V

The Square D LAB36300 circuit breaker is built for demanding industrial environments, delivering dependable protection for service, maintenance, and replacement projects. With a 300 A rating, 3 poles, and a 600 V operating capability, this device is purposefully designed to guard three‑phase feeders and critical equipment in busy industrial settings.

• Amperage and configuration: 300 A, 3-pole design that reliably disconnects all three phases to prevent fault propagation.
• Voltage rating: Suitable for 600 V systems, making it a reliable choice for industrial distribution and equipment protection.
• Application fit: Ideal for industrial electrical service, maintenance work, and replacement projects where heavy‑duty protection is required.
• Brand reliability: Square D is built to withstand demanding environments, delivering consistent performance over time.

Why this LAB36300 matters for your operation

• Targeted protection for three‑phase systems: The 3‑pole design ensures synchronized disconnection across all phases, improving safety and reducing the risk of asymmetric faults.
• Industrial durability: Engineered to endure the vibrations, loads, and frequent cycling common in manufacturing floors, distribution centers, and large facilities.
• Simplified compatibility checks: Use the part number LAB36300 to confirm fit for your panel and application requirements, helping you avoid integration surprises.

Compatibility and installation guidance (based on available details)

• Verify fit by part number and application: Confirm that LAB36300 matches your panel type, mounting scheme, and voltage class before installation.
• Support when matching a part number: If you’re unsure about compatibility, our team can help verify fit against your specific equipment and setup.
• Installation considerations: This unit is intended for industrial circuits up to 600 V and should be installed by qualified personnel in accordance with applicable electrical codes and manufacturer guidelines.

Practical use scenarios to consider

• Replacing aging or failed 3‑pole breakers in 600 V distribution panels serving motors, conveyors, pumps, and other heavy loads.
• Installing a dedicated protection device for a new industrial feeder that supplies multiple motors and control circuits.
• Consolidating protection in a centralized service panel to streamline maintenance and improve fault isolation.

Choosing Square D LAB36300 means opting for a proven, industrial‑grade circuit breaker designed to protect high‑demand systems. Its 300 A capacity and 3‑pole configuration provide robust, reliable protection for three‑phase networks, while the 600 V rating covers a wide range of industrial applications. If you need assistance confirming compatibility with your specific application, reach out and we’ll help ensure the LAB36300 is the right fit for your panel and duty cycle.