Siemens SND6A120LI 1200A 3P 600V Circuit Breaker | AmpState

The Siemens SND6A120LI 1200A 3P 600V Circuit Breaker from AmpState is a rugged, dependable solution designed to protect electrical distribution systems with precision. Built for panelboards, load centers, and other distribution configurations, this unit delivers reliable current interruption and coordination where uptime matters most.

Why this breaker stands out

• High-capacity protection with a robust 1200 A rating helps safeguard large feeders and service panels where fault currents can be substantial.
• Three-pole design provides synchronized protection across all phases, ensuring balanced operation in 3-phase electrical environments.
• 600V compatibility supports a wide range of industrial and commercial distribution applications, aligning with common building and plant electrical systems.
• Strategic BOM alignment ideal for replacement projects and stocking spares to keep original part numbers aligned in your bill of materials.
• Ready availability through AmpState, with expert support to verify fit and ensure smooth replacement or stocking decisions.

Who benefits from the SND6A120LI

• Maintenance teams performing panel upgrades or BOM migrations who need a faithful, compatible replacement part.
• Facilities managers stocking spares to minimize downtime during routine maintenance or unexpected outages.
• Electrical contractors and integrators seeking reliable Siemens components that align with established panelboard configurations.

Key specifications at a glance

• Amperage: 1200 A
• Poles: 3
• Voltage: 600 V
• Part number: SND6A120LI
• Category: Circuit Breaker for panelboards, load centers, and distribution

Practical tips and use cases

• Use this breaker when you need a high-current, three-phase protection solution that remains compatible with Siemens-distributed panel systems.
• Keep a spare on hand for critical feeders to reduce downtime during maintenance or part shortages.
• When matching parts for a retrofit or BOM alignment, reference the SND6A120LI to maintain consistency with the original equipment configuration.

Support and compatibility

Need help matching a part number or confirming compatibility with your existing equipment? Message us, and AmpState experts will help you verify fit and guide you to a seamless procurement process.