Eaton Cutler-Hammer CH345 45A 3P 240V Circuit Breaker, Type CH | AmpState

The Eaton Cutler-Hammer CH345 45A 3P 240V circuit breaker is purpose-built for dependable, field-ready circuit protection in panelboards, load centers, and electrical distribution systems. Designed to be a straightforward, drop-in solution, CH345 helps you keep electrical infrastructure running smoothly with minimal downtime.

• Type CH family compatibility ensures a precise fit in Eaton Cutler-Hammer panelboards and distribution panels designed for CH-series breakers.
• 45 A amperage rating delivers robust protection for circuits with higher continuous loads while safeguarding downstream equipment.
• 3 Poles for three-phase protection, ideal for commercial and light industrial applications that rely on balanced, multi‑phase power at 240V.
• Direct replacement/ BOM alignment — ideal for replacement projects and stocking spares when you need to keep the bill of materials aligned to the original part number.
• Part number CH345 ensures you’re selecting the exact component specified for your installation, reducing misfits and warranty concerns.
• Manufacturer: Eaton Cutler-Hammer. Availability through AmpState.

This breaker is a practical choice for professionals maintaining or upgrading electrical systems where reliable, code-compliant three‑phase protection is required. It’s well-suited for service calls, facility maintenance, and retrofit projects where matching the original CH-series part is essential to preserve panel labeling, trip characteristics, and overall system protection strategy.

Why choose CH345 over generic replacements? It’s built around Eaton’s trusted CH platform, delivering consistent trip curves, mechanical durability, and compatibility with a broad range of CH-type accessories and accessories male/female enclosures. Keeping the exact part number in your BOM minimizes cross-reference errors and ensures continued compliance with your electrical design intent.

Use cases and practical tips: - Use as a ready-made replacement for older CH-series breakers within compatible panelboards and load centers. - Maintain a spare on-site to shorten downtime during routine maintenance or field repairs. - Confirm compatibility by matching the part number CH345 to your panel’s original specification; if in doubt, message AmpState for fit confirmation and guidance.

For professionals who value precision, traceable compatibility, and straightforward installation, the CH345 is a reliable choice that keeps your three‑phase protection consistent with the original design. If you need help confirming fit or identifying the exact match for your panel, AmpState is ready to assist.