Westinghouse | JA3090W | Circuit Breaker | 90A | 3-Pole | 600V | Bolt-On

Meet the Westinghouse JA3090W Circuit Breaker—a precise, dependable protection solution engineered for demanding three-phase electrical systems. With a 90A rating, 3-Pole configuration, and a 600V maximum, this bolt-on breaker is designed for fast, secure upgrades, maintenance, and replacements where exact specs matter.

Key advantages you’ll notice in the field

• 90A protection across three poles keeps heavy motors and equipment safeguarded without nuisance trips.
• 3-Pole design ideal for three-phase circuits, ensuring balanced protection across all phases.
• 600V maximum voltage suitable for many commercial and light industrial applications.
• Bolt-On mounting enables quick, solid installation with reliable electrical contact and reduced downtime.
• JA3090W part number serves as the best reference for compatibility—always verify fit and ratings before ordering.

What makes this breaker a smart choice

Whether you’re upgrading an older panel, retrofitting for a new process line, or replacing a failed component, the JA3090W delivers consistent performance under load. Its rugged construction is built to withstand frequent switching and environmental conditions typical of service entrances, switchgear rooms, and equipment closets. The bolt-on design minimizes installation complexity, helping technicians complete repairs faster and with fewer call-backs.

Ideal use scenarios

• Maintenance or retrofit in commercial or light industrial panels that require a 90A, 3-Pole, 600V bolt-on breaker.
• Replacement for existing installations where the JA3090W matches the panel’s catalog and compatibility requirements.
• Protection for three-phase motors, conveyors, pumps, HVAC systems, and other high-load equipment.

Installation and compatibility notes

Always confirm fit and ratings against your panel’s documentation before purchasing. The JA3090W is the definitive reference for compatibility, ensuring you maintain electrical protection integrity and panel coordination. When installing, follow standard electrical safety practices, de-energize circuits, and use appropriate torque specifications for bolt-on mounting to maintain secure contact and trip reliability.

Technical snapshot

• 90A
• 3-Pole
• 600V
• Bolt-On
• Westinghouse JA3090W

For dependable circuit protection that aligns with your three-phase requirements, the Westinghouse JA3090W 90A 3-Pole 600V Bolt-On Circuit Breaker is a practical, well-suited choice. Rely on the part number JA3090W as your compatibility guide and verify fit with your panel’s specifications to ensure a seamless, downtime-minimizing replacement.