Westinghouse | HLB3350 | Circuit Breaker | 350A | 3-Pole | 600V

Meet the Westinghouse HLB3350 Circuit Breaker—a rugged, 350A, 3-pole protection device designed for reliable performance in demanding electrical systems. Built to fit replacement, retrofit, and maintenance jobs where exact specifications matter, this breaker keeps your distribution panels running smoothly and your equipment safeguarded against overcurrent events.

Key specifications at a glance

• Amperage:** 350A
• Poles:** 3-Pole
• Voltage rating: 600V

Why this Westinghouse breaker is the right choice

• Direct-fit option for reliability: The HLB3350 is designed for straightforward maintenance and retrofit projects, ensuring you can replace a failed unit without extensive panel modifications.
• Clear compatibility signal: When ordering, use the HLB3350 part number as the best reference to match your panel’s requirements and avoid mismatches.
• Three-phase protection: The 3-pole configuration delivers balanced, simultaneous protection across all three conductors in 3-phase systems, helping guard motors, drives, and other heavy-load equipment.
• Industrial-ready rating: With a 600V rating, this breaker supports common industrial and commercial distribution environments, providing dependable overcurrent protection for mid-to-large electrical loads.

Ideal use cases

• Replacing a failed 3-pole breaker in commercial or industrial panels where a 350A, 600V unit is specified.
• Retrofit projects upgrading legacy gear to a modern, compliant protection device without sacrificing panel layout.
• Maintenance intervals for service panels in manufacturing floors, warehouses, or large facilities that rely on steady, three-phase power.

Practical guidance for purchase and installation

• Confirm fit and ratings before ordering: Use the part number as your primary compatibility check to ensure seamless swap-in and continued protection.
• Plan for panel compatibility: Verify that your distribution panel is designed to accept a 3-pole, 350A, 600V Westinghouse unit to prevent accidental mismatches.
• installation considerations: When replacing an existing breaker, ensure all connections are clean, torque values are respected, and the system is de-energized according to safety protocols.

What makes this 3-pole breaker stand out

• Focused on real-world needs: It’s not just about specs; it’s about dependable protection that aligns with maintenance and retrofit workflows.
• Clear reference for compatibility: The explicit part number helps technicians quickly verify correct replacement, reducing downtime and installation risk.
• Structured for three-phase systems: The 3-pole design ensures comprehensive circuit protection across all phases, which is essential for motors, pumps, and industrial loads.

Whether you’re restoring an aging panel, upgrading an existing installation, or stocking spare parts for scheduled maintenance, the Westinghouse HLB3350 350A 3-Pole 600V circuit breaker delivers dependable, industry-ready protection. Rely on its precise specifications and straightforward compatibility references to keep your electrical system safe, compliant, and ready to perform.