Eaton Cutler-Hammer CH350 50A 3P 240V Circuit Breaker, Type CH, Plug-On | AmpState

The Eaton Cutler-Hammer CH350 is a reliable, plug-on circuit breaker designed to protect your panelboards, load centers, and electrical distributions with precision. This 50 A, 3-pole unit at 240 V provides solid, dependable overcurrent protection for multi‑phase circuits, keeping your electrical system safe and compliant.

Key specifications at a glance

• Type: CH (Plug-On)
• Amperage: 50 A
• Poles: 3
• Voltage: 240 V
• Part number: CH350

Why this CH350 stands out

Designed for straightforward installation in Eaton-compatible equipment, the CH350’s plug-on format accelerates replacement work and minimizes downtime. By maintaining the original part number in your BOM, this unit helps you keep documentation accurate and serviceable in ongoing maintenance programs. It’s an ideal choice when you’re stocking spares for critical panel systems or executing replacement projects where compatibility and traceability matter most.

Ideal use cases

• Replacing a failed or aging circuit breaker in panelboards or load centers that require Type CH, 3-pole protection.
• Stocking a spare that preserves BOM integrity for original Eaton installations.
• Upgrade or retrofit projects where matching the exact CH-series geometry ensures correct fit and operation.
• Routine maintenance workflows in commercial or industrial electrical distributions that rely on quick, plug-on replacements.

What problems it solves

• Eliminates prolonged downtime by enabling rapid, plug-on replacement without rewiring.
• Preserves BOM accuracy during spare parts procurement, reducing configuration errors.
• Provides dependable, per‑circuit protection for multi‑phase, 240 V loads.

How it compares to alternatives

Compared with generic replacements, the CH350 is purpose-built for Eaton Cutler-Hammer systems, ensuring exact electrical fit, mechanical compatibility, and ride‑along surge and fault response characteristics. Its 3-pole, 240 V design is tailored to multi‑phase circuits common in commercial and industrial environments, offering predictable behavior under fault conditions and straightforward integration into existing Eaton panel ecosystems.

Need help confirming fit?

If you’re unsure about compatibility or matching a part number, AmpState offers guidance to confirm the correct fit for your equipment. Message us and we’ll help verify compatibility and ensure you’ve got the right CH-series breaker for your installation.