Eaton CHB290 - 90 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Eaton CHB290 is a robust 90A, 240V, 2-pole bolt-on molded case circuit breaker engineered to protect branch circuits and safeguard panelboards and load centers. Built for dependable overcurrent and short-circuit protection, it delivers reliable performance in demanding electrical environments.

What makes the CHB290 stand out is its secure bolt-on mounting, which creates a rigid, vibration-resistant bus connection. Combined with a thermal-magnetic trip unit, it provides stable, repeatable protection characteristics that help minimize nuisance trips while delivering fast interruption when faults occur.

Designed for compatibility and versatility, this breaker is intended to work with matching OEM Eaton load centers and panelboards, ensuring a cohesive and reliable protection solution across installations. It’s suitable for a range of applications, including residential, commercial, and light industrial settings where a high-capacity 2-pole 240V breaker is required.

Key specifications at a glance

• Amperage rating: 90A
• Voltage rating: 240V
• Number of poles: 2
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Manufacturer: Eaton
• Part number: CHB290

Practical applications and benefits

• Protect large-draw branch circuits in panelboards or load centers—ideal for 240V equipment such as HVAC systems, water heaters, or other heavy loads.
• Provide dependable protection in both new installations and panel upgrades where a rugged, drop-in 2-pole solution is needed.
• Achieve coordinated performance when paired with matching Eaton OEM panels, contributing to a cleaner, more predictable electrical distribution system.

What to consider and how to install

• Confirm OEM panel compatibility to ensure a seamless fit with the bolt-on design and the CHB290’s 90A rating.
• Follow manufacturer torque specifications during installation to maintain the integrity of the vibration-resistant connection.
• Periodically inspect connections and mounting hardware in environments with vibration or movement to sustain reliable protection over time.