Westinghouse | RK3150 | Circuit Breaker | 150A | 3-Pole | 600V

Meet the Westinghouse RK3150 Circuit Breaker—a robust, three-pole solution engineered for three-phase systems. With a 150A rating and a maximum voltage of 600V, this breaker protects distribution circuits in commercial and light industrial environments, delivering reliable, predictable performance when it matters most.

Designed for exact fit and easy replacement

The RK3150 uses Westinghouse’s established form factor and wiring configuration, making it an ideal choice for maintenance, retrofit, or replacement projects where compatibility truly matters. The part number RK3150 is the best reference to ensure you’re selecting the right breaker for your panel and existing equipment.

Key specifications

• Amperage: 150A
• Poles: 3-Pole
• Voltage: 600V
• Part number: RK3150
• Applications: maintenance, retrofit, replacement

Why choose the RK3150?

• Three-pole protection for balanced 3-phase circuits: maintains stable operation for motors and equipment, reducing risk from unbalanced loads.
• Reliability and compatibility: built on Westinghouse design principles and widely used in compatible panels, enabling smoother upgrades and fewer compatibility headaches.
• Clear reference for ordering: the RK3150 part number helps you avoid mismatches and return hassles.

Use cases

• Upgrading an aging panel to support modern three-phase equipment
• Replacing a failed breaker in a Westinghouse-compatible distribution or service panel
• Retrofit projects in light industrial facilities where 150A, 3-pole protection is required

Installation and care tips

• Always verify fit and ratings before ordering; confirm the breaker is compatible with your panel model and bus configuration.
• Power down the system and follow all safety procedures before servicing electrical panels.
• Consult your panel’s labeling for mounting, torque, and termination guidelines to ensure a secure, code-compliant installation.

With the Westinghouse RK3150, you’re choosing a trusted, purpose-built solution for dependable circuit protection in demanding electrical environments. Add it to your cart and proceed with confidence, knowing you’ve selected a genuine, compatible part designed to perform when it matters most.