Eaton FD4K 150A 2P 600V Circuit Breaker | AmpState

Eaton FD4K 150A 2P 600V Circuit Breaker — built for everyday electrical work, this FD4K model provides dependable circuit protection for panelboards, load centers, and electrical distribution systems. Available from AmpState, it’s the precise part you need when a direct part-number match matters for maintenance, stocking, or new installations.

Designed to safeguard critical electrical infrastructure, the FD4K two-pole breaker handles demanding commercial and light-industrial environments with confidence. Its 150 A rating is ideal for protecting service feeders and branch circuits in medium-capacity panels, while the 600 V maximum rating accommodates a range of distribution networks. This isn’t a generic replacement — it’s a specified Eaton part that aligns with your existing Eaton lineup and engineering standards, helping you avoid compatibility concerns.

Why this FD4K is a smart choice

• Direct part-number match: Streamline procurement and spare parts inventories with a breaker that precisely matches your Eaton FD4K specification.
• Two-pole, 150 A design: Provides robust protection for paired conductors and simplifies wiring in 3-wire or 4-wire configurations.
• 600 V rating: Suitable for a wide range of commercial and industrial distribution applications, offering reliable performance in your electrical distribution network.
• Panel and distribution protection: Ideal for safeguarding panelboards, load centers, and other distribution points where dependable tripping is critical.
• Stock-ready from AmpState: Ready to ship to minimize downtime on maintenance projects and installation schedules.

Use cases and practical applications

• Maintenance projects that require a confirmed Eaton FD4K part-number for rapid replacement during outages.
• New installations or retrofits in commercial or light-industrial facilities where a 2P, 150 A, 600 V protection device is specified.
• Spare inventory for panel builders and electrical contractors who need dependable, drop-in replacements that fit seamlessly into existing Eaton systems.

How it helps you in the field: By choosing the FD4K, you’re standardizing on a trusted Eaton design, reducing the guesswork during replacements, and ensuring consistent performance across your distribution network. It’s a practical, no-nonsense solution for everyday protection needs where reliability and fit matter most.

Specifications at a glance:

• Manufacturer: Eaton
• Part Number: FD4K
• Product Type: Circuit Breaker
• Amperage: 150 A
• Poles: 2
• Voltage: 600 V

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.