Siemens E0408ML1125SU 4 Space, 8 Circuit, 125-Amp, Main Lug, Surface Mount, Indoor

The E0408ML1125SU load center is an indoor electrical panel designed to expand power distribution in residential or utility spaces. With a 4-space setup that accommodates up to 8 circuits, it provides a compact hub for managing dedicated branch lines in a home or outbuilding.

Equipped with a 125-amp main lug configuration, this unit handles incoming power feeds directly without an integrated main breaker. Its surface-mount design allows for straightforward mounting directly onto interior walls, making it convenient for utility rooms, garages, or storage areas.

Because it is built strictly for indoor surface mounting, this panel is not suited for outdoor locations or flush in-wall installations. With only 4 spaces for a maximum of 8 circuits, it is tailored for small expansions rather than serving as a large whole-house electrical service panel, and specific exterior dimensions are not detailed in the product data.

Verdict: The E0408ML1125SU is a practical choice for homeowners or builders needing a compact 125-amp, 4-space indoor subpanel. It is best suited for small-scale electrical additions that require simple surface mounting.

A great fit if you:

• Need a compact 125-amp subpanel for indoor branch circuits
• Require a small 4-space panel capable of running up to 8 circuits
• Plan to mount your electrical panel directly on an interior wall surface

Consider something else if you:

• Need an outdoor-rated or weatherproof electrical box
• Require a large panel with more than 8 circuits for heavy power demands

How many spaces and circuits does this panel support?
This model features 4 physical spaces that can accommodate up to 8 circuits.

What is the maximum amperage rating?
The panel has a main lug configuration rated for up to 125 amps.

Can this unit be installed outdoors?
No, this model is specifically designated for indoor surface-mount use.