Westinghouse | RFA3040L | Circuit Breaker | 40A | 3-Pole | 600V

Trustworthy electrical protection for three‑phase systems, the Westinghouse RFA3040L Circuit Breaker is built for maintenance, retrofit, and replacement tasks where precise specifications matter. With a strong track record for reliability, this 40A, 3‑Pole unit is ready to secure your most demanding panels and equipment.

Key specifications

• Amperage: 40A
• Pole configuration: 3‑Pole
• Voltage rating: 600V

Why this matters: A 40A, three‑pole breaker is designed to protect 3‑phase circuits and associated equipment from overloads and short circuits. The 600V rating makes it suitable for industrial and commercial environments where higher voltage service is common, helping to prevent costly downtime and equipment damage.

Practical use cases: - Replacing a failed breaker in compatible Westinghouse or similarly rated panels - Retrofit projects that update aging electrical infrastructure with dependable protection - Routine maintenance swaps to maintain panel safety and reliability

Important installation notes: Before ordering, confirm fit and ratings against your panel’s specifications. The part number RFA3040L is the最 reliable reference for compatibility, ensuring you match the correct trip characteristics and connector configuration for your system.

Design thinking and reliability: The RFA3040L is engineered to endure regular operation in demanding environments while delivering consistent protection across all three phases. Its three‑pole design helps maintain balanced protection and minimizes the risk of uneven loading across circuits, contributing to smoother panel performance.

Choosing Westinghouse for your panel needs: When you need a clearly identified, widely supported replacement that aligns with standard electrical installations, the RFA3040L provides straightforward compatibility guidance through the official part number. This reduces ordering errors, speeds up maintenance, and supports long‑term serviceability in your electrical system.