Eaton NDC312T33W 1200A 600V 3-Pole Circuit Breaker

Engineered for robust, high-current protection in panelboards and loadcenters, the Eaton NDC312T33W is a 3-pole bolt-on molded case circuit breaker designed to safeguard large branch circuits with precision. Built to endure demanding environments, it delivers reliable overcurrent and short-circuit protection where it matters most.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing the risk of connection looseness in demanding installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance by responding accurately to both overload and short-circuit events across a range of operating conditions.
• High-capacity, three-pole design supports large three-phase circuits with a 1200 A rating at 600 V, making it suitable for commercial and light industrial applications.
• OEM panel compatibility is designed to pair with matching Eaton OEM loadcenters and panelboards, streamlining retrofits and upgrades without compatibility concerns.
• Versatile application footprint ideal for residential, commercial, and light industrial panels where dependable branch-circuit protection is critical.

What it protects and how it fits your system

The NDC312T33W serves as a main or feeder protection device in panelboards and loadcenters, guarding circuits against overcurrent and short circuits. Its bolt-on mounting ensures a solid bus connection even in environments with vibration or mechanical stress, while the thermal-magnetic trip unit maintains precise protection across temperature fluctuations. When used in conjunction with compatible OEM panels, it provides a cohesive, reliable protection scheme for large loads and critical equipment.

Technical specifications at a glance

• Manufacturer: Eaton
• Part Number: NDC312T33W
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 1200 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

For systems requiring reliable, high-capacity protection with solid mechanical mounting and OEM compatibility, the Eaton NDC312T33W delivers precise protection where it’s needed most. It’s a purpose-built solution for demanding panel environments that demand consistent, repeatable performance over time.