Eaton CND3800T57W - 800 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton CND3800T57W — a high-capacity 800 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and loadcenters. Built for reliability in demanding electrical environments, this MCCB combines a rugged bolt-on mounting with precise thermal-magnetic protection to keep your system safe and compliant.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays tight through installation and operation, minimizing connection wear and intermittent trips.
• Thermal-magnetic trip unit delivers stable, repeatable protection for both overloads and short circuits, with fast magnetic response when faults occur.
• 3-pole design ensures simultaneous disconnection of all conductors in 3-phase systems, preserving balance and safety in your distribution network.
• Wide compatibility engineered to work with matching OEM load centers and panelboards for reliable fit and coordinated protection.
• High-capacity performance ideal for residential, commercial, and light industrial applications that demand robust current handling and swift fault clearing.

Technical snapshot

• Manufacturer: Eaton
• Part number: CND3800T57W
• Amperage rating: 800 A
• Voltage rating: 600 V
• Poles: 3
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker (MCCB)

This breaker is designed to protect large feeder and branch circuits within panelboards and loadcenters, delivering reliable overcurrent and short-circuit protection in residential, commercial, and light industrial settings. Its combination of solid mechanical mounting and precise trip behavior helps minimize downtime and protect valuable electrical equipment.

Why choose the Eaton CND3800T57W? It pairs the reliability of a bolt-on connection with the predictable performance of a thermal-magnetic trip unit, so you get decisive fault protection when you need it and steady operation during normal loads. Ideal for installations where high current handling, vibration resistance, and compatibility with OEM panels are priorities.

Practical deployment tips

• Verify compatibility with your panelboard’s rating and the corresponding OEM load centers to ensure proper fit and coordinated protection.
• Follow manufacturer torque guidelines during installation to maintain secure mounting and optimal electrical contact.
• Consider the environmental conditions; use where vibration or movement could otherwise loosen connections and affect protection performance.
• Pair with compatible downstream devices to optimize overall system protection and minimize nuisance trips.