Industrial KEP3400T56 400A 3-Pole 600 V Circuit Breaker

Meet the Industrial KEP3400T56 — a purpose-built circuit breaker engineered for demanding three-phase power systems. With a robust 400 A current rating, a three-pole configuration, and a 600 V maximum rating, this breaker is designed to safeguard heavy-duty industrial equipment, panels, and feeders where reliability matters most.

Key specifications at a glance

• Part Number: KEP3400T56
• Current rating: 400 A
• Poles: 3
• Voltage rating: 600 V

Why this 3-pole, 600 V breaker stands out

• Balanced three-phase protection: The 3-pole design ensures all phases are protected and isolated simultaneously, reducing the risk of phase-to-phase faults and improving overall system safety for motors, drives, and large equipment.
• High-current reliability: A solid 400 A rating provides robust protection for substantial loads common in industrial environments, helping prevent damage from overcurrents and short circuits.
• Industrial-grade configuration: Built to withstand the rigors of demanding facilities, this breaker is suited for equipment racks, motor control centers, switchboards, and other heavy-duty power distribution applications.
• Direct clarity for replacements and maintenance: The explicit part number (KEP3400T56) and clear three-pole, 600 V specifications help technicians match the right protection device quickly, minimizing downtime during service or upgrades.

Ideal use cases

• Motor feeders for large three-phase motors in manufacturing lines and processing plants
• Power distribution in switchboards and motor control centers where reliable trip protection is critical
• Three-phase feeders in industrial HVAC, pumping, and process control systems operating near 600 V
• Upgrades or replacements in facilities that require a 400 A, 3-pole solution for safety and reliability

What problems it solves

• Prevents damage from overcurrent events in high-load three-phase circuits, safeguarding expensive motors and drives
• Provides decisive, simultaneous isolation of all phases to reduce fault consequences and downtime
• Offers a clear specification path for technicians sourcing replacement parts, reducing guesswork during maintenance

Practical guidance for use

Choose the KEP3400T56 when your system operates three-phase up to 600 V and requires a sturdy 400 A protection device. This breaker is well-suited for panelboard and MCC environments where reliable protection minimizes unplanned outages and extends equipment life. For installation, ensure correct wiring practices per your facility’s electrical codes and verify that the breaker is sized appropriately for the connected load to maintain safe, effective protection.

Why it’s the right choice for serious industrial needs

If you’re upgrading or standardizing protection across multiple heavy-duty lines, the KEP3400T56 provides a concrete, high-capacity solution that aligns with demanding industrial workflows. Its three-pole design, substantial current rating, and 600 V capability address the core needs of modern power distribution — delivering dependable protection where it matters most and helping keep operations running smoothly.