Siemens 3VA5150-4ED31-0AA0 125A 3P 690V Circuit Breaker | AmpState

The Siemens 3VA5150-4ED31-0AA0 is a purpose-built circuit breaker crafted for reliable protection of three-phase electrical systems. With a 125 A rating and 690 V maximum, this 3-pole device is designed for panelboards, load centers, and distributed electrical networks where precise, consistent protection is essential. When uptime matters, this model from Siemens provides a direct-part-number match that simplifies replacements and reduces field downtime.

Key specifications you can trust

• Manufacturer: Siemens
• Part number: 3VA5150-4ED31-0AA0
• Type: Circuit Breaker
• Amperage: 125 A
• Poles: 3
• Voltage rating: 690 V

Why this model stands out

This is more than just a protective device—it’s a strategic choice for maintainers and panel builders. The exact part number (3VA5150-4ED31-0AA0) ensures a precise fit in Siemens-compatible assemblies, preserving mounting footprint, trip characteristics, and overall system reliability. AmpState keeps this model in stock, making it a dependable option when a direct match is required for spare inventory or urgent replacements.

Specific advantages you’ll feel on the job

• Direct compatibility: Seamless integration with Siemens panelboards and distribution equipment, minimizing retrofit risks.
• Consistent protection: Three-pole design delivers balanced protection across three-phase circuits, helping protect equipment and reduce fault spread.
• High-current capability: 125 A rating supports mid-to-high load circuits common in commercial and light industrial installations.
• Industrial reliability: Built for demanding electrical distribution, providing dependable overcurrent protection in everyday operations.

Ideal for

• Maintenance teams responsible for keeping Siemens-based systems up and running.
• Panel builders seeking precise part-number compatibility to ensure correct installation and documentation.
• Electrical distributors and facilities managers who stock reliable spare parts for mission-critical environments.

Practical use cases

• Replacing a failed circuit breaker in panelboards or load centers without re-engineering the enclosure or mounting.
• Inventory planning for facilities with Siemens protection schemes, ensuring quick substitutions when service windows open.
• New builds or retrofits that specify Siemens 3VA-series protection for consistent trip curves and electrical protection philosophy.

Tips for installation and compatibility

When planning a replacement, verify that your system supports a 3-pole device with a 690 V rating and 125 A continuous operating current. Use this exact part number to guarantee a direct fit and consistent electrical characteristics with existing Siemens components. If you’re unsure about fit or application, AmpState offers support to help confirm compatibility with your panelboard or distribution setup.

Availability and support

Available from AmpState, the Siemens 3VA5150-4ED31-0AA0 provides a reliable, traceable part-number match for quick procurement and peace of mind. If you need help confirming fit or alternative options within the Siemens family, the AmpState team is ready to assist and ensure you choose the right protection device for your system.