Siemens SND69100AG - 1000 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Siemens SND69100AG is a high-capacity, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection for demanding electrical systems. Rated for up to 1000A at 600V, this unit is built to safeguard panels, load centers, and critical equipment in commercial and light industrial environments — without compromising reliability or safety.

Why choose the SND69100AG

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain consistent electrical contact in panels exposed to movement or vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance across varying ambient conditions, reducing nuisance trips while still responding quickly to overcurrent or short-circuit events.
• OEM-compatible design is formulated to work with matching Siemens OEM load centers and panelboards, ensuring straightforward installation and reliable coordination within multi-vendor electrical systems.
• High-capacity protection with a 1000A rating suits large distribution circuits, heavy machinery feeds, and panels serving multiple heavy-load loads common in commercial and light industrial settings.
• Three-pole configuration supports three-phase applications, delivering balanced protection across all conductors in your distribution network.

Technical snapshot

• Manufacturer: Siemens
• Part Number: SND69100AG
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 1000A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Designed for panelboards and load centers in spaces where reliable, heavy-duty protection is essential. The SND69100AG shines in:

• Commercial electrical rooms powering large lighting, HVAC, and processing equipment
• Light industrial distribution panels feeding multiple machines or controlled circuits
• Residential-commercial hybrids requiring robust protection for high-current branch circuits

Installation and practical considerations

Opting for a bolt-on design simplifies field servicing and replacement in dedicated equipment cabinets. Ensure proper alignment with the existing panelboard bus connections and follow all local electrical codes during installation. The thermal-magnetic trip function minimizes disruption by intelligently distinguishing between steady overloads and genuine short-circuit events, helping protect conductors and connected devices without unnecessary trips.

What you gain with the SND69100AG

• Long-term reliability for critical distribution paths in demanding environments
• Compatibility with Siemens OEM load centers and panelboards for cohesive system integration
• A single, robust solution capable of handling high-current, three-phase protection needs

Whether upgrading existing infrastructure or building out a new distribution panel, the Siemens SND69100AG delivers disciplined protection, strong mechanical mounting, and compatibility across Siemens’ panel ecosystems — making it a practical, future-ready choice for serious power distribution setups.