Eaton CHB120 - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton CHB120 — a 20A, 120V, 1-pole bolt-on molded case circuit breaker designed to protect your electrical circuits with precision and reliability. Built for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters, this unit delivers a solid, long-lasting solution for demanding installations.

• Secure bolt-on mounting: a rigid bus connection that resists vibration, helping maintain consistent electrical contact and reducing the risk of loose connections over time.
• Thermal-magnetic trip unit: delivers stable, repeatable protection across temperature variations and varying load conditions, minimizing nuisance trips while safeguarding equipment.
• OEM-compatible design: works with matching OEM loadcenters and panelboards for straightforward upgrades, replacements, or retrofits without adapters or reconfigurations.
• Versatile coverage: ideal for residential, commercial, and light industrial applications where dependable branch-circuit protection is essential for safety and uptime.

Technical Specifications

• Manufacturer: Eaton
• Part Number: CHB120
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider the CHB120?

• Homeowners planning panel upgrades or expansions to accommodate new circuits
• Electrical professionals installing or upgrading panelboards in offices, stores, or light industrial spaces
• Facilities managers seeking reliable protection for motor-driven or surge-prone lighting circuits

Practical guidance and benefits

• Choose CHB120 for a seamless fit with compatible Eaton panelboards or OEM‑matched enclosures to ensure coherent protection curves and physical compatibility.
• With a 20A rating, it strikes a careful balance between safeguarding wiring and allowing practical current flow for typical branch circuits, including those with modest startup loads.
• Maintain reliability by following proper torque on the bolt-on mounting and verifying solid engagement with the bus bar during installation.

Upgrade or expand your protection with the Eaton CHB120 — a purpose-built, dependable solution that keeps residential, commercial, and light industrial electrical systems safer and more resilient.