Westinghouse | HLB3300 | Circuit Breaker | 3-Pole

Introducing the Westinghouse HLB3300 3-Pole Circuit Breaker—a purpose-built solution for maintenance, retrofit, and replacement projects where exact specifications matter. This 3-pole unit is designed to slot into compatible Westinghouse panels and related systems, delivering dependable overcurrent protection for three-phase circuits.

Why the HLB3300 stands out

• Three-pole configuration: Perfect for three-phase systems, providing synchronized protection across all phases to help prevent unbalanced loading and equipment damage.
• Exact part reference: The part number HLB3300 is your best reference for compatibility. Rely on it to match your panel design and electrical architecture.
• Maintenance, retrofit, and replacement-ready: Designed to replace failed breakers, upgrade existing installations, or retrofit panels without extensive rewiring.
• Westinghouse-design compatibility: Engineered to integrate with Westinghouse panels and legacy installations, supporting consistent protection and performance.

Important compatibility notes

Before ordering, confirm fit and ratings for your specific application. The HLB3300 is the guiding reference for compatibility, so ensure the panel, bus arrangement, and electrical specs align with this part number to avoid interruptions or mismatches.

Who should consider this breaker

• Facilities managers responsible for commercial or industrial electrical infrastructure with Westinghouse gear
• Electrical contractors performing panel upgrades, maintenance outages, or asset refresh projects
• Maintenance teams seeking reliable, three-phase protection in existing installations

What problems it helps solve

• Reduces downtime by providing a straightforward replacement option that matches existing Westinghouse configurations
• Ensures consistent tripping behavior across all three phases, protecting motors, drives, and other three-phase equipment
• Minimizes compatibility risk in retrofit projects by aligning with a widely used part reference

Practical guidance for installation and use

• Power should be isolated before replacement or installation. Follow all local electrical codes and manufacturer guidelines.
• Verify the panel labeling and the panel’s compatible trip curves to ensure proper protection characteristics.
• Handle the breaker carefully and torque terminals according to the panel’s specification to maintain secure connections.
• Keep the part number (HLB3300) handy during ordering or service checks to avoid mismatches in future replacements.

Whether you’re performing routine maintenance, upgrading an older installation, or replacing a failing component, the Westinghouse HLB3300 3-Pole Circuit Breaker provides a reliable, compatible path to continued protection and system stability. Rely on precise compatibility, robust three-phase protection, and the confidence that comes with a proven Westinghouse design.