Eaton MT3300T - 600 V, 3-Pole Circuit Breaker | AmpState

Introducing the Eaton MT3300T — a 600 V, 3-pole molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. This compact MCCB design maximizes usable panel space while maintaining robust protection for three-phase distributions. With a thermal-magnetic trip unit, it offers stable, repeatable performance across varying loads, reducing nuisance trips and enabling assured circuit clearance when faults occur. Fully compatible with matching OEM load centers and panelboards, the MT3300T is a versatile choice for complex electrical systems that demand reliable three-pole protection.

Key benefits

• Compact molded case design that makes efficient use of panel space, letting you fit more circuits in the same enclosure.
• Thermal-magnetic trip unit provides precise protection: the thermal element handles overloads while the magnetic element rapidly clears short circuits.
• 600 V, 3-pole configuration supports three-phase circuits and higher-voltage branch applications.
• Designed for seamless integration with matching OEM load centers and panelboards to ensure consistent protection performance.
• Suitable for a wide range of environments—residential, commercial, and light industrial—protecting motors, lighting, and general power distribution.

Technical specifications

• Manufacturer: Eaton
• Part Number: MT3300T
• Type: Thermal-magnetic molded case circuit breaker
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal applications and scenarios

• Three-phase protection for commercial equipment rooms, electrical closets, and service panels requiring reliable motor and circuit protection.
• Residential settings with three-phase distribution or specialized 600V circuits in multi-unit buildings and advanced electrical setups.
• Light industrial environments with compact panel configurations, including small manufacturing lines, compressors, and processing equipment.

Why choose this MT3300T from AmpState

The MT3300T delivers dependable three-pole protection in a space-conscious package, designed to work in tandem with OEM load centers for streamlined installation. Its thermal-magnetic trip ensures predictable response to overloads and short circuits, so you can count on consistent protection across changing loads and conditions. For projects requiring high-voltage, three-phase protection in a compact footprint, the MT3300T from AmpState is a practical, long-lasting choice.