Siemens 3VA5330-6EC31-0AA0 Circuit Breaker, 300A, 3-Pole, 600V

Meet the Siemens 3VA5330-6EC31-0AA0 circuit breaker—the rugged, industrial-grade protection your three-phase power system can rely on. Engineered for service, maintenance, and replacement projects, this 3-pole unit delivers dependable overcurrent protection for demanding environments. With a 300 A rating and a 600 V maximum, it’s built to handle substantial loads while safeguarding equipment and personnel.

• Part Number: 3VA5330-6EC31-0AA0
• Amperage: 300 A
• Poles: 3
• Voltage: 600 V
• Applications: Industrial electrical service, maintenance, and replacement
• Compatibility: Verify fit by part number and application requirements

Why this Siemens circuit breaker stands out

Designed to integrate smoothly with existing Siemens equipment, this 3VA-series-style protective device delivers reliable three-phase protection for commercial and industrial facilities. The 3-pole configuration ensures balanced interruption across all phases, reducing the risk of uneven loading and promoting safer, more predictable operation in panels, switchgear, and distribution boards. The 600 V rating provides headroom for typical industrial networks, while the 300 A capacity supports substantial feeders and large equipment circuits without sacrificing protection.

Ideal use cases

• Upgrading or replacing aging breakers in manufacturing plants, warehouses, or process facilities
• Installing or renewing protection in panelboards and distribution panels that serve 3-phase equipment
• Replacing worn or obsolete devices in motor control centers and large equipment feeders operating up to 600 V

How to confirm compatibility

To ensure a perfect fit, use the exact part number 3VA5330-6EC31-0AA0 and compare it against your panel’s data sheet or installation manual. If you’re unsure about compatibility, our team can assist in confirming the match to your application requirements—just reach out with the part number and service scenario, and we’ll help verify fit and deployment considerations.

This Siemens circuit breaker is the robust choice for industrial protection, designed to deliver dependable performance in service, maintenance, and replacement projects.