Siemens 5SY62407 40A 2P 400V Circuit Breaker | AmpState

The Siemens 5SY62407 circuit breaker is a genuine OEM device designed to protect your electrical distribution system with precision. This 2-pole breaker is rated for 40 A and 400 V, making it a reliable choice for safeguarding circuits in panelboards, load centers, and other Siemens-compatible electrical distributions.

• Part Number: 5SY62407
• Type: 2-Pole Circuit Breaker
• Current Rating: 40 A
• Voltage Rating: 400 V
• Applications: Panelboards, Load Centers, Electrical Distribution
• OEM: Siemens
• Ideal for: Replacement projects and stocking spares to keep your BOM aligned to the original part number
• Availability: AmpState

Why this Siemens 5SY62407 stands out

Choosing an exact Siemens part ensures mechanical fit, electrical performance, and mounting compatibility with existing Siemens panelboards and bus systems. This isn’t a generic substitute—it's the same specification and form factor you relied on when the original equipment was installed. Keeping a genuine 5SY62407 on hand helps you preserve circuit protection integrity and minimizes downtime during maintenance or upgrades.

Who benefits most

Maintenance teams, facilities managers, and professional electricians who manage Siemens-based electrical infrastructure will appreciate the certainty of using the exact part number for replacements. It’s particularly valuable for projects that require BOM fidelity, spare stock for critical circuits, and quick swaps without modifying enclosures or bus connections.

Practical use and care

Use this 5SY62407 breaker to protect distribution circuits that operate within a 400 V system. Before installation, verify that the panelboard or load center accepts the 2-pole Siemens device and that the mounting and bus接ype match the original specification. Store spares in a dry, temperature-controlled area to maintain reliability and ensure rapid replacement when needed.

Compatibility and support

If you’re unsure about fit or need help confirming compatibility with your exact panel model, AmpState offers assistance to verify the correct part number and fit. Message us to confirm that 5SY62407 is the right replacement for your Siemens equipment and BOM requirements.