KB3250K | Circuit Breaker | 250A | 3-Pole | 600V

The KB3250K industrial circuit breaker delivers reliable overcurrent protection for 3‑phase power systems, designed for maintenance, retrofit, and replacement projects where exact specifications are essential. With a robust 250 A rating and a 3‑pole configuration, this breaker protects your equipment and keeps critical processes running smoothly in residential or commercial industrial environments operating up to 600 V.

Key specifications

• Amperage: 250 A
• Poles: 3‑Pole
• Voltage rating: 600 V
• Part number reference: KB3250K
• Compatibility note: Confirm fit and ratings before ordering; the KB3250K is the best reference for compatibility.

Why this value matters for your system

Choosing a breaker with the exact KB3250K specifications minimizes panel modifications and downtime. The 3‑pole design protects a three‑phase circuit, ensuring balanced protection across all phases and coordinated disconnection during fault events. The 600 V rating makes it suitable for industrial distribution panels, motor control centers, and other high‑voltage applications where reliable interruption is critical.

Ideal use cases

• Routine maintenance on industrial electrical panels that service three‑phase equipment.
• Retrofits that upgrade aging breakers to meet current safety and performance standards.
• Replacement of failed or tripping breakers in 3‑phase, 600 V networks to restore normal operation quickly.

Who should consider the KB3250K

• Facilities engineers and maintenance technicians managing industrial power distribution
• Electrical contractors performing panel replacements or retrofits
• OEMs integrating proven protection components into equipment enclosures

Practical guidance for reliable installation

• Always verify the panel’s voltage and amperage ratings align with 600 V and 250 A before ordering.
• Use KB3250K as the primary compatibility reference to ensure seamless fit within existing enclosures.
• Handle with proper electrical safety procedures; ensure the circuit is de-energized and locked out during replacement.