Eaton Cutler-Hammer QB1020CAF 20A 1P 160V Circuit Breaker, AFCI, Bolt-On | AmpState

Eaton Cutler-Hammer QB1020CAF is a meticulously engineered circuit breaker designed to protect electrical circuits in panelboards, load centers, and distribution systems. With an emphasis on reliability and code-compliant safety, this 20 A, 1-pole device delivers dependable protection for residential and light commercial circuits. Its 160V rating ensures compatibility with a wide range of installations while maintaining robust performance.

Key features that matter in the field

• AFCI protection adds arc-fault safety to branch circuits, helping prevent fires caused by arcing faults.
• Bolt-On mounting simplifies installation and provides a secure, vibration-resistant connection in compatible panelboards and load centers.
• 20 A, 1-Pole design is ideal for protecting individual branch circuits that require reliable overcurrent and arc-fault protection.
• 160V maximum rating supports a broad range of electrical distributions in both residential and light-commercial environments.
• OEM compatibility specifically suited for Eaton Cutler-Hammer QB-series configurations, helping you maintain system integrity and BOM alignment.
• Stocking flexibility – a smart choice for replacement projects and spare inventories to keep original part numbers in check.
• Authentic part from AmpState ensures you’re sourcing a genuine component ready for installation in compatible Eaton equipment.

Typical use cases include upgrading existing panels to add required AFCI protection, replacing a failed breaker in QB-series installations, or stocking spare units to preserve BOM consistency with the original part number. This breaker is designed to install where a QB1020CAF fits, delivering swift restoration of circuit protection without compromising safety or performance.

For professionals who need precision fitment, need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit and ensure you’re ordering the correct unit for your Eaton panel or load center.

Tip for installation and ongoing reliability: verify the panel’s labeling and ensure the QB1020CAF is the correct slot and amperage for the circuit you’re protecting. Keep the original packaging if possible, and store spares in a dry, temperature-controlled area to preserve performance over time.

Ready to secure your electrical protection with a trusted AFCI breaker from Eaton Cutler-Hammer? Add the QB1020CAF to your cart and rely on AmpState for authentic parts that support safe, code-compliant installations.