Siemens SN2040B1100 100 Amp 20-Space 40-Circuit Indoor Main Breaker - Guts Only Style:New - Panel Guts Upgrade your electrical system with

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Siemens SN2040B1100 100 Amp 20-Space 40-Circuit Indoor Main Breaker - Guts Only Style:New - Panel Guts Upgrade your electrical system withThe Siemens SN2040B1100 is a 100 Amp indoor main breaker designed for 20 space, 40 circuit panels. This unit includes the internal components ("guts only") necessary for reliable circuit protection and load management. Ideal for upgrading or repairing existing Siemens panels, it ensures consistent performance and safety in residential or commercial electrical systems. Siemens SN2040B1100 100 Amp 20 Space 40 Circuit Indoor Main Breaker Guts Only