Siemens MBK100M 100A 2P 240V Circuit Breaker, Plug-On | AmpState

Meet the Siemens MBK100M 100A 2P 240V Plug-On Circuit Breaker — a dependable solution for everyday electrical protection in panelboards, load centers, and distribution networks. Built to integrate seamlessly with Siemens systems, it’s a reliable choice for both service and upgrade projects.

Why this breaker stands out: it’s designed to keep your BOM aligned with the original part number while delivering fast, plug-on installation that minimizes downtime on site. Ideal for replacement jobs and stocking spare parts, the MBK100M ensures you can troubleshoot and restore power quickly without guessing compatibility.

Key features and benefits

• Plug-on installation: Snap-in mounting that simplifies replacement and reduces installation time in compatible Siemens panelboards and load centers.
• 2-pole, 100 A, 240 V: Provides robust protection for circuits and feeders across residential, commercial, and light industrial electrical distributions.
• Exact part compatibility: The MBK100M is the specified Siemens component for projects where BOM accuracy matters, helping ensure proper fit and electrical alignment.
• Reliable protection: Delivers rapid interruption to safeguard wiring and connected devices from overloads and short circuits within 240V systems.
• Availability through AmpState: Obtain this part quickly from AmpState, with support available to confirm fit for your panel or distribution setup.

Use cases and ideal applications

Use the MBK100M as a direct replacement for a failed 2-pole 100A breaker inside Siemens panelboards and load centers. It’s also an excellent spare to keep on hand for service fleets, ensuring you can respond promptly without mismatching BOMs. For retrofit or new installations requiring Siemens-compatible plug-on protection, this breaker provides a straightforward, dependable solution.

Who benefits most

Electrical professionals managing commercial buildings, multi-dwelling units, or light industrial facilities who value precise BOM alignment, quick plug-on installation, and reliable 240V circuit protection.

If you’re unsure about compatibility, AmpState offers support to verify fit against your specific panel model and installation requirements.