Siemens 3VA61407JQ310AA0 40A 3P 690V Circuit Breaker | AmpState

The Siemens 3VA61407JQ310AA0 is a rugged, three‑pole circuit breaker engineered for reliable protection in sophisticated electrical distributions. Designed for use in panelboards, load centers, and other 3‑phase configurations, this 40 A unit delivers dependable interruption of fault currents at up to 690 V, helping keep your critical systems up and running.

Key specifications at a glance

• Manufacturer: Siemens
• Part Number: 3VA61407JQ310AA0
• Type: 3‑pole circuit breaker
• Amperage: 40 A
• Poles: 3
• Voltage Rating: 690 V
• Applications: panelboards, load centers, and general electrical distribution
• Best for: replacement projects and stocking spares to maintain BOM alignment with the original part number
• Availability: AmpState

Why this breaker stands out

Unlike generic substitutes, this Siemens unit is purpose‑built to align with Siemens panel types and the original bill of materials. Its 3P design supports balanced three‑phase protection, making it ideal for feeders, transformers, and distribution circuits that require consistent performance across phases. When you’re updating or retrofitting a system, staying with the exact part number helps maintain downstream compatibility, warranty considerations, and protective coordination with upstream devices.

Ideal use scenarios

• Replacing a failed 3‑pole, 40 A breaker in a Siemens panelboard or compatible distribution panel
• stocking a spare that matches the original BOM to minimize downtime during maintenance
• Ensuring protection for three‑phase feeders and downstream equipment in commercial or light industrial environments
• Aligning parts with project specs during retrofit or expansion projects to preserve protective coordination

How it supports your project

With AmpState as the source, you gain confidence in availability alongside precise fit. If you’re unsure about compatibility or need to verify cross‑references, the AmpState team can help confirm fit and ensure you’re selecting the exact replacement that preserves system protection and BOM integrity.

Tips for installation and stock planning

Keep a dedicated spare on hand for rapid restoration of service in 3‑phase distribution systems. When ordering, reference the exact part number 3VA61407JQ310AA0 to avoid substitutions that could affect protective coordination. Store in a cool, dry place and follow your site’s standard electrical practices for installation and safety.