Collection: Automatic Transfer Switches

Ensure your systems stay operational during outages with our Automatic Transfer Switches & Generator Accessories collection at Portlandia Electric Supply. Featuring tier-1 brands like Generac and Cummins, these components deliver dependable, rapid switching and valuable add-ons—designed for both residential and commercial backup power systems.

Highlighted Products & Key Specs

• Generac RXSW100A3 — 100 A Automatic Transfer Switch

  • Offers adjustable start timing from 2 to 1,500 seconds, providing precise control during power disruptions.

  • Built in a durable aluminum NEMA/UL Type 3R enclosure with a powder-coated finish for long-term resilience.

  • Handles multiple HVAC loads with advanced load management capabilities.

  • Includes both automatic and manual operation modes and a five-year limited warranty.

• Generac RTSW200G3 — 200 A Three-Phase Transfer Switch

  • Ideal for commercial and three-phase power applications, ensuring robust utility-to-generator switching.

• Generac RTSW400A3 — 400 A Service-Entrance Rated Switch

  • Built for large systems requiring high amperage and service entrance compatibility.

  • Offers instantaneous automatic switching for superior outage response.

• Cummins RSS100 — 100 A Single-Phase Transfer Switch (240 V)

  • A compact and efficient solution for single-phase power Control systems.

• Cummins RA Series — 100 A Non-Service Entrance Transfer Switch (240 V)

  • Engineered for applications not requiring service entrance rating, providing flexibility for varied installations.

Generator Accessories You Can Trust

• Includes meter pedestal extensions, phase-sense kits, barrel locks, safety covers, and auto-generator start modules from Generac, Schneider Electric, Magnum Energy, and Outback Power.

Why This Collection Works for You

• Rapid & Reliable Switching — ATS units deliver seamless power transfer with customizable timing and high amperage options.

• Brand Reliability — Generac and Cummins offer trusted engineering, extensive warranties, and compatibility assurance.

• Flexible System Design — Choose from single-phase and three-phase units with or without service entrance rating to suit diverse configurations.

• Complete Setup Solutions — Access essential accessories that ensure safe installation, proper system monitoring, and efficient operation.

Equip your systems with high-quality Automatic Transfer Switches & Generator Accessories from Portlandia Electric Supply—combining flexibility, durability, and expert support in every item. Ready to enhance system resilience? Explore the collection today.