Eaton Cutler-Hammer SPD2K0225 225A 3P 600V Circuit Breaker, NEMA 1 | AmpState

Engineered for reliable circuit protection in both commercial and industrial electrical systems, the Eaton Cutler-Hammer SPD2K0225 is a 225 Amp, 3-pole, 600-volt circuit breaker designed to perform in panelboards, load centers, and electrical distribution networks. With a NEMA 1 enclosure, it offers durable indoor protection where dust and incidental contact are considerations, helping safeguard critical circuits with confidence.

Key specifications at a glance

• Amperage: 225 A
• Poles: 3
• Voltage rating: 600 V
• Enclosure: NEMA 1
• Manufacturer: Eaton Cutler-Hammer
• Part number: SPD2K0225

Why this breaker is a smart choice for your panel protection

This SPD2K0225 is more than a replacement part. It’s a purpose-built solution for retrofit work and ongoing maintenance planning where staying with the exact part number minimizes downtime and wiring changes. Its 3-pole configuration supports balanced three-phase distribution, making it ideal for service entrances, feeders, and branch protection in mid- to large-scale panels.

Ideal use scenarios

• Upgrading or maintaining electrical distribution in panelboards and load centers that operate at up to 600 V with three-phase systems.
• Retrofit projects where compatibility and part-number consistency speed up procurement and installation.
• Indoor installations in environments that benefit from a sturdy NEMA 1 enclosure that shields sensitive components from dust and incidental contact.
• Replacement in aging systems where a reliable, widely supported Eaton device minimizes the risk of compatibility issues.

Practical considerations and installation notes

Before installation, verify that your panel is rated for a 225 A, 3-pole, 600 V device and that the NEMA 1 enclosure matches your indoor application. The SPD2K0225’s design supports straightforward retrofits, helping technicians align with existing wiring layouts and distribution schemes. For compatibility confirmation and part-number matching, AmpState offers expert assistance to ensure a seamless fit within your electrical distribution framework.

Available directly from AmpState, the SPD2K0225 combines trusted Eaton performance with practical, real-world use cases—from routine maintenance to strategic capacity upgrades. If you’re coordinating a retrofit or stocking for planned maintenance, this breaker provides the reliability and compatibility you need to keep circuits protected and downtime to a minimum.