Siemens 3VA5217-5EF31-0AA0 175A 3P 480V Circuit Breaker | AmpState

Designed to slot into Siemens panelboards and load centers, the Siemens 3VA5217-5EF31-0AA0 is a 3-pole, 175A, 480V molded-case circuit breaker built to protect electrical distribution systems from overloads and short circuits. It’s the OEM component you want for replacement projects and to keep your BOM aligned with the original part number.

• Part number: 3VA5217-5EF31-0AA0
• Manufacturer: Siemens
• Type: 3-pole molded-case circuit breaker (MCCB)
• Ampacity: 175 A
• Voltage rating: 480V AC
• Applications: panelboards, load centers, electrical distribution
• Use case: ideal for replacement projects and stocking spares to maintain BOM integrity
• Availability: offered by AmpState

Why this exact OEM part matters: using the 3VA5217-5EF31-0AA0 ensures your protection scheme remains consistent with Siemens equipment, preserving original trip characteristics and UL/brand-wide compatibility. By choosing an authentic Siemens component, you minimize retrofitting, maintain warranty expectations, and reduce the risk of interference with neighboring devices in your distribution network.

Who benefits most: electrical contractors, facility managers, maintenance teams, and OEMs who need a reliable, ready-to-install spare that matches the original hardware used in Siemens panelboards and distribution equipment. This part is particularly valuable for preventative maintenance programs where BOM accuracy and quick swap-outs matter most.

Practical use cases and scenarios

• Replacing a blown or worn 3-pole 480V circuit breaker in a Siemens panelboard without altering the electrical protection strategy.
• Stocking a precise BOM-aligned spare to minimize downtime during scheduled maintenance or emergency outages.
• Upgrading or sustaining distribution infrastructure in industrial or commercial facilities that rely on Siemens protection schemes.

Tips for compatibility and installation

• Verify that your distribution equipment is rated for 480V and configured for 3-pole protection to ensure a proper fit.
• Keep OEM spares in a cool, dry environment to preserve breaker performance and insulating integrity.
• Consult AmpState if you’re uncertain about fit or cross-reference compatibility with specific panelboard models.

For dependable, OEM-aligned protection that aligns with your Siemens infrastructure, the 3VA5217-5EF31-0AA0 delivers trusted performance, exact fit, and peace of mind for ongoing electrical distribution reliability.