Westinghouse | KA3150 | Circuit Breaker | 150A | 3-Pole | 600V | Bolt-On

The Westinghouse KA3150 circuit breaker is a purpose-built solution for upgrading, retrofitting, or replacing 3‑phase protection in industrial and commercial electrical systems. With a robust 150A rating, this 3‑pole, 600V bolt‑on breaker provides reliable, trip‑critical interruption for demanding power environments where precise compatibility matters.

• Amperage: 150A — designed to protect feeders and downstream equipment without unnecessary nuisance trips.
• Poles: 3‑Pole — ideal for three‑phase circuits, delivering balanced protection across all phases.
• Voltage rating: 600V — suitable for medium‑voltage industrial applications and commercial panel boards.
• Mounting: Bolt‑On — secure, vibration‑resistant installation that simplifies field servicing and panel mounting.
• Reference compatibility: Part number KA3150 is the best reference for ensuring a precise match with your panel and existing hardware.

Ideal use cases

• Maintenance and refresh projects where a reliable 3‑pole, 150A, 600V solution is needed.
• Retrofits in panels designed to accept Westinghouse KA3150 bolt‑on breakers, ensuring seamless replacement without rewiring or adapters.
• Replacement of aging breakers in industrial or commercial facilities to restore optimal protection of 3‑phase feeders.

Why this Westinghouse KA3150 stands out

• Precise compatibility for systems that require the KA3150 reference, reducing guesswork during sourcing.
• Bolt‑on mounting provides a sturdy mechanical connection, contributing to long‑term reliability in challenging environments.
• Clear, straightforward ratings (150A, 3‑pole, 600V) that align with common industrial and commercial electrical standards.

Installation and purchasing tips

• Before ordering, confirm that your panel accepts bolt‑on breakers of the KA3150 family and that the 150A, 3‑pole, 600V ratings align with your protection requirements.
• Keep the part number KA3150 handy as the definitive reference for compatibility checks with your existing equipment and panel board specifications.
• Prepare for bolt‑on installation by ensuring appropriate mounting hardware and clearances in your panel enclosure to accommodate a three‑pole device.

When you choose the Westinghouse KA3150, you’re selecting a dependable, stage‑ready solution for safeguarding three‑phase power. Confirm fitment, align with your panel’s ratings, and you’ll have a solid, maintenance‑friendly upgrade or replacement that keeps your electrical system running smoothly.