Siemens 3VA5150-1MU31-0AA0 Circuit Breaker, 50A, 3-Pole, 600V

The Siemens 3VA5150-1MU31-0AA0 circuit breaker is engineered for demanding industrial electrical service, maintenance, and replacement projects. With a 3-pole configuration, it delivers reliable three‑phase protection that keeps critical machinery and distribution panels safe and productive.

Why this breaker stands out in the field

• Three‑pole protection for balanced safeguarding of 3‑phase circuits, reducing the risk of uneven loading and equipment damage.
• 50 A rating provides precise overcurrent protection for motor drives, feeders, and distribution lines without unnecessary trips.
• 600 V operating capability suited to typical industrial power systems, enabling versatile use across various applications.
• Clear part identification with the exact part number 3VA5150-1MU31-0AA0, simplifying compatibility checks and ordering.
• Designed for service, maintenance, and replacement projects, helping you minimize downtime and maintain electrical safety standards.
• Compatibility guidance emphasizes verification by part number and application requirements, ensuring the right fit for your panel and system configuration.

Specifications at a glance

• Part Number: 3VA5150-1MU31-0AA0
• Product Type: Circuit Breaker
• Amperage: 50 A
• Poles: 3
• Voltage: 600 V

Ideal for professionals working with Siemens-compatible panels and three‑phase electrical systems, this breaker helps protect equipment, reduce unplanned downtime, and support safe electrical operation. If you’re unsure about compatibility, you can message us for expert assistance in confirming the right fit by part number and application requirements.