Square D | KAL361001121 | Circuit Breaker | 3-Pole

Meet the Square D KAL361001121 3-Pole Circuit Breaker — a precise, dependable solution for protecting 3-phase electrical circuits in maintenance, retrofit, or replacement projects. Built to align with the exact specifications that professional electricians rely on, this breaker helps keep equipment and personnel safe while minimizing downtime.

Key features and benefits

• 3-Pole design provides balanced protection across all three phases, ideal for 3-phase motors, pumps, and industrial controls.
• Precise part reference the KAL361001121 number is your best guide for compatibility, giving you a clear cross-reference to matching panels and wiring configurations.
• Versatile applications suitable for maintenance, retrofit, and replacement scenarios where the exact specs matter — helping you restore system integrity quickly.

Why this 3-Pole breaker stands out

Rather than a generic protection device, this Square D breaker is purpose-built for accurate compatibility in three-phase setups. By sticking with the confirmed part number, you reduce the risk of mismatches that can lead to nuisance trips or improper protection. In busy electrical environments, that translates to smoother upgrades, fewer service calls, and clearer documentation for future maintenance.

Compatibility and installation considerations

Before ordering, verify fit and ratings against your panel documentation. The best reference for compatibility is the part number itself—KAL361001121—paired with your panel’s specification sheet. If you’re replacing an old breaker, compare the old part number and pole count with the 3-Pole designation to ensure a seamless swap.

Ideal use cases

• Retrofit projects in commercial or light-industrial panels that require a precise 3-pole protection device.
• Maintenance replace-and-upgrade cycles where keeping the exact spec is crucial for panel compatibility.
• Replacement of worn or faulty breakers in 3-phase electrical systems to safeguard motors and three-phase loads.

What you get: 1 x Square D KAL361001121 3-Pole Circuit Breaker. A focused, reliable upgrade path for systems that rely on exact part matching to maintain performance and safety.