Square D | KAL361001021 | Circuit Breaker | 100A | 3-Pole | 600V

Meet the Square D KAL361001021—a dependable 100A, 3-Pole, 600V circuit breaker designed for demanding electrical environments. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this OEM device protects your three-phase system with proven reliability and consistent performance.

Key specifications

• Amperage: 100 A
• Poles: 3-Pole
• Voltage: 600 V
• Part number: KAL361001021
• Brand: Square D
• Applications: maintenance, retrofit, and replacement
• Compatibility note: Confirm fit and ratings before ordering. Part number is the best reference for compatibility.

Why this Square D circuit breaker stands out

• OEM reliability: Designed to match the original equipment’s trip characteristics and performance, ensuring predictable protection.
• Three-phase protection: The 3-Pole configuration safeguards all phases in 600V systems, reducing the risk of uneven load or partial faults.
• Seamless retrofit capability: The exact part reference (KAL361001021) streamlines replacements and minimizes downtime during panel upgrades or repairs.
• Brand assurance: Square D is trusted for robust electrical protection, compatibility with common panels, and long service life in industrial settings.

Ideal use cases

• Maintenance and replacement in existing 3-phase electrical panels, switchgear, and motor control centers
• Retrofit projects where current protection must align with original Square D specifications
• Industrial equipment feeders, processing lines, and HVAC systems that operate on 600V
• Commercial and light-industrial installations requiring reliable 100A circuit protection

Installation and compatibility tips

• Always verify that your panel or enclosure is rated for 600V and supports a 3-Pole configuration.
• Match the exact part number—KAL361001021—to ensure form factor and trip characteristics align with your system.
• Before ordering, check your equipment documentation or labeling to confirm the fitment and ratings correspond to this part.
• Store replacements in a clean, dry environment and handle with standard electrical safety precautions to maintain performance.

For anyone maintaining or upgrading a three-phase 600V distribution setup, the Square D KAL361001021 provides a dependable, OEM-grade solution that aligns with your existing equipment—and helps keep critical systems protected and running smoothly.