Eaton CND312T33W - 1200 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Eaton CND312T33W is a rugged 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for environments where vibration stability and reliable tripping matter, this 1200A, 600V device combines robust hardware with precise protection performance you can trust in critical electrical systems.

• Bolt-on mounting provides a secure, vibration-resistant bus connection for uninterrupted power flow and easier serviceability in compact electrical assemblies.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding appropriately to both overload and short-circuit conditions, reducing nuisance trips and guarding downstream equipment.
• 3-pole design suited for three-phase systems, ideal for modern panelboards and commercial/load-center configurations.
• OEM-compatible compatible with matching Eaton and OEM loadcenters and panelboards, ensuring reliable interchangeability in retrofit or new installations.

What problems does it solve?

In busy electrical rooms, a single misbehaving circuit can cascade into downtime. The CND312T33W’s thermal-magnetic operation provides fast, predictable trips when currents exceed safe levels, protecting wiring, motors, and downstream devices. The bolt-on construction minimizes connection loosening from vibration, keeping feeders secure over the long term. With a 600V rating, it supports a range of commercial and light industrial applications, from office buildings to small manufacturing setups.

Ideal use scenarios

• Feeding critical circuits in panelboards and load centers in commercial spaces (offices, retail, data centers).
• Protecting large feeders and branch circuits in light industrial environments.
• Retrofits where secure bolt-on mounting and OEM compatibility streamline installation.

Specifications at a glance

• Manufacturer: Eaton
• Part number: CND312T33W
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 1200 A
• Voltage rating: 600 V
• Poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

For installers and facilities teams seeking reliable, long-term protection that minimizes downtime, the Eaton CND312T33W from AmpState combines durable hardware with protection that acts precisely when needed. Its compatibility with matching OEM loadcenters and panelboards makes it a straightforward choice for both new builds and upgrades, ensuring your electrical infrastructure stays safe and compliant under demanding loads.