Westinghouse HFD3045 45A 3P 600V Circuit Breaker | AmpState

The Westinghouse HFD3045 45A 3P 600V Circuit Breaker is built for reliable, everyday protection in panelboards, load centers, and electrical distribution systems. This 3-pole unit delivers dependable 3-phase interruption where you need it, making it a smart choice for maintenance teams, panel builders, and electricians who value a precise part-number match.

• Amperage: 45 A
• Poles: 3-pole configuration for 3-phase circuits
• Voltage rating: 600V
• Manufacturer part: Westinghouse HFD3045
• Applications: Panelboards, load centers, and electrical distribution networks
• Availability: Stocked by AmpState with direct part-number match

Why this matters: In commercial and industrial settings, a direct part-number match reduces installation guesswork and downtime. This Westinghouse breaker slots into compatible panels without modification, delivering consistent trip behavior and dependable protection for three-phase feeders.

Designed for real-world use

Use it for upgrading an aging distribution panel, replacing a failed circuit breaker in a 3-phase system, or stocking spare inventory to speed service calls. The HFD3045 is ideal for maintenance teams who value fast compatibility checks and a reliable supply of genuine Westinghouse parts.

Compared to generic substitutes, choosing the HFD3045 means staying in a known safety and performance envelope. Westinghouse’s long-standing presence in electrical distribution translates to readily available parts, clarified cross-references, and a broad ecosystem of compatible components.

Need help confirming fit? AmpState offers support to verify compatibility and ensure the HFD3045 matches your exact panel and project needs. Reach out—we’ll help confirm the best fit for your panelboards or load centers.