Square D | KA362251021 | Circuit Breaker | 225A | 3-Pole | 600V

Square D KA362251021 Circuit Breaker offers precise, dependable protection for demanding 3‑phase electrical systems. With a 225 A rating, a 3‑pole configuration, and a 600 V maximum, this breaker is built to safeguard equipment and keep critical processes running in industrial or commercial panels.

This model is tailored for maintenance, retrofit, and replacement projects where exact specifications matter. The KA362251021 part number is the strongest reference for compatibility with existing Square D panels and wiring arrangements. Before ordering, confirm fit and ratings against your panel label or service documentation to ensure a seamless swap.

• Amperage: 225 A
• Poles: 3‑Pole
• Voltage: 600 V
• Compatibility reference: KA362251021

Why this 3‑pole, 225 A, 600 V breaker stands out:

• Precise protection for three‑phase equipment operating up to 600 V, helping preventElectrical faults from cascading through your distribution network.
• Exact part number alignment minimizes retrofit guesswork, reducing downtime and installation errors during maintenance or upgrades.
• Designed for use as a main or feeder protection device in compatible Square D panels, simplifying inventory and servicing tasks.

Use cases and practical applications

• Maintenance or replacement in industrial equipment rooms that rely on a 3‑phase, 600 V distribution system.
• Retrofits of aging panels where a 225 A, 3‑pole, 600 V breaker is required to meet updated safety standards.
• New or rebuilt panels in manufacturing floors that demand reliable, code‑compliant circuit protection with a precise compatibility reference.

How to verify fit and ensure optimal performance

Match the panel’s labeling and service documentation with the KA362251021 reference, confirming:

• Amperage rating of 225 A aligns with the circuit being protected.
• Configuration of 3 poles matches the three‑phase system.
• Voltage rating of 600 V corresponds to the system’s distribution level.

Choosing this Square D KA362251021 circuit breaker gives you the assurance of exact specification alignment, streamlined maintenance workflows, and reliable protection for your three‑phase, 600 V power infrastructure.