Siemens MBKFD3250A Circuit Breaker, 250A, 3-Pole, 600V

Meet the Siemens MBKFD3250A circuit breaker—engineered for industrial electrical service, maintenance, and replacement projects. Designed to pair with the Volt Main Breaker Mounting Kit for the P1 series, this 3-pole unit delivers dependable protection for three-phase systems at up to 600V and a 250 A rating. Built to integrate seamlessly with your existing P1 mounting kit, it provides a precise, reliable main-breaker solution for demanding environments.

Key specifications

• Amperage rating: 250 A
• Poles: 3
• Voltage rating: 600 V
• Part number: MBKFD3250A
• Series: Volt Main Breaker Mounting Kit for P1

Why this breaker stands out

What sets the MBKFD3250A apart is its deliberate alignment with the P1 mounting ecosystem, ensuring a secure, compatible fit that electricians can depend on in high-demand settings. The 3-pole configuration provides coordinated protection across all three phases, helping prevent imbalances that can stress motors and associated equipment. With a 600V rating, it aligns with common industrial distributions, delivering reliable performance in everyday applications where robust protection matters.

Best use cases

• New installations that require a main breaker within the Volt Main Breaker Mounting Kit for P1
• Maintenance or replacement projects needing a compatible 3-pole, 600V main breaker
• Industrial facilities seeking dependable protection for three-phase feeders and equipment

How to verify compatibility

Always verify fit by part number and application requirements. If you’re uncertain about compatibility, send a message with your panel details and installation context—our team can help confirm whether MBKFD3250A is the right choice for your setup.