Eaton CH320 - 20 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Eaton CH320 delivers reliable protection for 20-amp, 240-volt circuits in a compact plug-in molded case design. Built for fast, hassle-free installation into panelboards and loadcenters, this 3-pole breaker provides dependable branch circuit overcurrent and short-circuit protection for residential, commercial, and light industrial applications.

• Fast plug-in connection for accelerated installation and quick replacements, minimizing panel downtime during service or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection that responds to sustained overloads and sudden shorts, helping protect conductors and connected equipment.
• 3-pole, 240V configuration ensures all three conductors of a 240V circuit trip together, offering safe, coordinated disconnection in 3-phase or dual‑lug setups.
• OEM-compatible designed to align with matching Eaton OEM load centers and panelboards for a seamless, code-compliant fit.
• Durable molded-case construction stands up to panel vibrations and common electrical stresses, delivering dependable performance over time.

Technical snapshot

• Manufacturer: Eaton
• Part Number: CH320
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 240V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

This Eaton CH320 is an ideal choice when you need quick, reliable protection for 240V circuits in a panelboard or loadcenter. It’s well-suited for circuits feeding motors, lighting, or receptacle groups in residential installations, commercial suites, or light industrial equipment setups where fast swaps and predictable tripping behavior matter most. Because it’s engineered to plug into compatible Eaton panelboards, you’ll benefit from a cohesive protection strategy that simplifies maintenance, troubleshooting, and code compliance.

Practical tips for best results
- Verify that your panelboard accepts 3-pole plug-in breakers and that CH320 is the correct matching unit for the enclosure model.
- When performing installations or replacements, ensure the power is fully off and torque specifications for bus connection are followed per panelboard guidelines.
- Use CH320 as part of a coordinated protection scheme for 240V circuits to maintain safe margin against short circuits and overloads.