Siemens SN Series 100 Amp 20-Space 40-Circuit Indoor Load Center | Plug-On Neutral and NEMA 1 Enclosure

Smart design for value-minded install teams

The Siemens SN Series Load Center is engineered to streamline electrical distribution without sacrificing reliability. This 100 Amp, 20-space, 40-circuit unit is well suited for indoor applications where quick setup and dependable performance matter. With practical features tailored for contractors, the SN Series helps balance speed, organization, and safety on the job.

Fast, tool-free installation features

Designed to save time on every job, the SN Series offers plug-on neutral breakers for straightforward connections, generous wire routing space, and a ready-to-use grounding option. These elements work together to simplify panel assembly and reduce field labor without compromising accuracy.

• Plug-on neutral capability enables quick, secure breaker connections.
• Over 4 in. of wire bending space supports tidy, scalable wiring runs.
• Factory-installed ground bar provides an immediate grounding path for system safety.

Robust electrical design for indoor use

The unit supports 1-phase, 3-wire, 120/240V service with a high fault tolerance profile. It carries an interrupt rating of 22,000 AIC, offering strong performance in typical indoor distribution scenarios. The NEMA Type 1 enclosure is designed for indoor environments, helping protect the panel from dust and incidental impact while maintaining accessibility for service and upgrades.

• 1-phase, 3-wire, 120/240V configuration fits common residential and light commercial loads.
• 22,000 AIC interrupt rating supports a broad range of circuit protection needs.
• NEMA Type 1 enclosure suitable for indoor installations in controlled spaces.

Real-world use and benefits

Contractors and facility managers can appreciate the SN Series for its organized layout, durable construction, and straightforward wiring. The combination of plug-on neutral and ample wire space helps keep installations neat, while the indoor-rated enclosure and grounding features support long-term reliability in garages, basements, apartments, and small offices. Consider this load center when you prioritize value, speed, and dependable performance for indoor electrical distribution.