Eaton Cutler-Hammer QC1100 100A 1P Circuit Breaker | AmpState

The Eaton Cutler-Hammer QC1100 100A 1P Circuit Breaker from AmpState is a purpose-built protective device designed to safeguard panelboards, load centers, and electrical distribution systems. Crafted to align with Eaton’s QC1100 family, this single-pole breaker delivers dependable circuit protection while streamlining retrofit projects and maintenance planning when preserving the exact part number matters.

Key specifications at a glance

• Manufacturer: Eaton Cutler-Hammer
• Part Number: QC1100
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 1 Pole
• Availability: In stock at AmpState

Why this QC1100 100A 1P stands out

• Exact part-number compatibility: Designed to match the QC1100 family, making retrofits smoother by preserving panel labeling and bus compatibility.
• Robust 100-amp protection: Provides reliable overcurrent protection for a single, high-demand circuit without unnecessary replacement hassles.
• Single-pole simplicity: Quick, straightforward installation for single-phase circuits in residential, commercial, and light-industrial panels.
• Versatile application for distribution needs: Ideal for panelboards, load centers, and other electrical distribution layouts that rely on consistent Eaton QC1100 components.
• AmpState support: Easy procurement with expert assistance to confirm fit and compatibility for your specific setup.

Practical use cases

Perfect for retrofit projects where the existing panel is designed around the QC1100 line, enabling replacements without reconfiguring bus bars or panel labeling. It’s also a solid choice for maintenance planning—stock a common, compatible part that reduces downtime during service calls. Whether upgrading an aging system or replacing a failed breaker in a panel that already uses QC1100 components, this 100A 1P breaker keeps your electrical distribution running smoothly.

Who this is ideal for

• Electricians performing panelboard or load center retrofits
• Maintenance teams planning spare parts inventories for Eaton QC1100-based installations
• Facilities managers maintaining commercial or light-industrial electrical distributions with standard QC1100 components

Compatibility and support

Need help matching a part number or confirming compatibility with your Eaton Cutler-Hammer setup? Message AmpState after placing your order, and we’ll help verify fit and specify the best installation approach for your panel.

Choose the QC1100 100A 1P Circuit Breaker to ensure consistent performance, straightforward maintenance planning, and a reliable retrofit path that aligns with your existing Eaton distribution infrastructure.