Eaton CHB380 - 80 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Eaton CHB380 is a reliable, three‑pole 80A, 240V bolt‑on molded case circuit breaker designed to shield your panelboards and loadcenters from overcurrent and short‑circuit events. Built for dependable performance in residential, commercial, and light industrial environments, this unit brings sturdy protection where it’s most needed.

• Secure bolt‑on mounting delivers a rigid, vibration‑resistant bus connection, helping maintain consistent electrical contact even in equipment‑dense or high‑vibration settings.
• Thermal‑magnetic trip unit provides fast, reliable protection for both overloads and short circuits, with stable operation that reduces nuisance trips and helps protect downstream circuits and devices.
• OEM‑matched compatibility is designed to work with the corresponding Eaton loadcenters and panelboards, ensuring proper fit, electrical coordination, and seamless integration into your existing electrical architecture.
• Versatile application suitable for residential service panels, commercial distribution boards, and light industrial panel installations where 3‑phase protection is required.

Technical snapshot

• Manufacturer: Eaton
• Part Number: CHB380
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 80 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Bolt‑on
• Application: Branch circuit overcurrent and short‑circuit protection

Who is this ideal for?

If you’re an electrician, facilities manager, or contractor upgrading or expanding panels, the CHB380 offers a robust solution for protecting 3‑phase feeders and branch circuits. It’s particularly well suited for installations where vibration resistance and secure bus connections are critical, such as equipment rooms, factories, and busy commercial spaces. Because it’s designed to mirror OEM specifications, you’ll experience straightforward replacement or expansion without reconfiguring your protection strategy.

Practical use cases and benefits

• Upgrading a panelboard to handle higher branch circuit demands without sacrificing protection quality.
• Installing in locations with equipment vibration where a secure bus connection reduces the risk of intermittent contacts.
• Coordinating protection across 3‑phase feeders in light industrial setups while maintaining compatibility with existing Eaton panels.
• Providing reliable 80A protection for feeders that power motors, compressors, or other heavy‑duty loads in commercial spaces.

Installation and care tips

• Verify compatibility with your OEM load center or panelboard before installation to ensure seamless integration.
• Mount the breaker securely in accordance with manufacturer recommendations, ensuring a tight and vibration‑resistant connection to the bus.
• Follow standard electrical safety practices: de‑energize the panel, use proper locking devices, and inspect conductors for clean, undamaged terminations.
• For ongoing reliability, perform periodic inspections for signs of wear or overheating around the breaker and surrounding bus connections.

The Eaton CHB380 is a purpose‑built solution for dependable branch circuit protection in 240V, 3‑pole configurations. When you need predictable tripping behavior, solid mechanical mounting, and OEM‑level compatibility, this bolt‑on molded case breaker stands up to the demands of modern electrical systems. Add it to your panel lineup today and experience protection that you can trust across residential, commercial, and light industrial applications.