Eaton CHB240 - 40 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Eaton CHB240 is a 40A, 240V, 2-pole bolt-on molded case circuit breaker engineered to protect branch circuits from overcurrent and short circuits in panelboards and load centers. Built for reliability, it delivers dependable protection where it matters most, whether you're wiring a home subpanel, a small commercial panel, or light industrial installations.

Key advantages that set the CHB240 apart

• Secure bolt-on mounting keeps the breaker firmly attached to the bus, delivering a rigid, vibration-resistant connection that reduces movement and potential loose wiring in demanding environments.
• Thermal-magnetic trip unit provides stable, repeatable protection. The magnetic element rapidly interrupts fault currents, while the thermal element protects against slower overloads, minimizing nuisance trips and safeguarding conductors and devices.
• OEM-compatible design is ready to drop into matching load centers and panelboards, making replacements straightforward and maintaining system integrity without extra adapters or adapters.
• Versatile for multiple settings ideal for residential, commercial, and light industrial applications where robust 240V protection is required.

Technical snapshot

• Manufacturer: Eaton
• Part Number: CHB240
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Real-world use cases

• Residential subpanels feeding high-draw appliances like air conditioning units or electric water heaters where reliable 240V protection is essential.
• Small to mid-size commercial panels powering lighting, receptacle banks, or HVAC equipment, where secure mounting and minimal vibration are important.
• Light industrial setups requiring dependable short-circuit interruption and clear, consistent trip characteristics for safer operation.

Installation and compatibility tips

• Ensure the panelboard or load center is compatible with bolt-on molded case breakers and that the CHB240 fits the OEM footprint.
• Follow Eaton’s installation guidance for wiring practices and the appropriate mounting procedures to maintain the bolt-on connection integrity.
• Use this 40A, 240V, 2-pole device where you need a precise balance between protection and available service capacity, avoiding undersized conductors or overloading downstream circuits.

Choose the Eaton CHB240 for a rugged, dependable solution that delivers clear protection for your 240V circuits while simplifying installation and maintenance in panelboards and load centers. It’s a purpose-built option for installers and facility managers who value consistent performance, OEM compatibility, and durable construction in demanding environments.