Power Up Your Projects with Siemens RapidSBx™ Switchboard

Fast Lead Times. Future-Ready Performance. Built for the Field.

At Sonic Electric, we know speed and reliability matter—especially when it comes to power distribution in demanding applications like EV charging, commercial buildings, and public infrastructure. That’s why we’re spotlighting one of the most innovative solutions on the market today: the Siemens RapidSBx™ Switchboard.

What Is the Siemens RapidSBx™?

The RapidSBx™ is a UL 891 pad-mount switchboard designed for fast deployment and outdoor durability, featuring a clean white finish, NEMA 3R enclosure, and simplified installation. It’s made-to-stock, meaning you skip the long lead times and get your project up and running faster.

Whether you're setting up EV charging stations or upgrading a utility service, RapidSBx gives you the flexibility and protection you need—right out of the box.

Key Features & Benefits

Fast Installation

• Pre-engineered & pre-stocked for rapid delivery

• Plug-and-play branch breaker kits

• Bottom-feed design simplifies conduit access and routing

Versatile Power Handling

• 1200A main bus rating

• Field-installable branch kits from 125A to 600A

• 28.75" of usable width for flexible breaker configurations

Built for Harsh Environments

• NEMA 3R rated enclosure—ideal for outdoor use

• White powder-coated finish resists corrosion (1600+ hrs salt spray)

• Seismic zone compliant (IBC 2021 / CBC 2022)

Safety First

• Dynamic Arc Sentry (DAS) for arc-flash mitigation

• Optional TPS4 surge protection device

• Ground fault protection (NEC 230.95 compliant for 1000A+)

Ideal Applications

The RapidSBx is a game-changer for industries that need speed, code compliance, and outdoor performance:

• EV Charging Infrastructure (NEVI-ready)

• Commercial Electrical Upgrades

• Government Buildings

• Fuel Station Retrofits

• Remote Power Distribution Needs

Sonic Electric’s Take

The Siemens RapidSBx™ switchboard checks every box:
✅ Reliable for high-power needs
✅ Ready for harsh outdoor conditions
✅ Cuts down on delays and installation time
✅ NEVI and utility certified for the future of EV infrastructure

If you’re a contractor, developer, or facility manager looking for a switchboard solution that’s stocked, scalable, and smart, the RapidSBx™ is it.

Ready to Order or Learn More?

Sonic Electric proudly supplies Siemens gear—and we’re here to help you spec the RapidSBx™ model that fits your job. Reach out to our team today to request a quote or to check current stock availability.