The NEMA L14-30R to L14-30P generator cord (4.92 ft / 1.5 m) is unavailable on the EcoFlow US website and will not be restocked. Please purchase a compatible cable with the same specifications from third-party retailers.
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Pre-wired for Easy Installation: Fully pre-wired design simplifies the installation process, saving time and effort.
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Enhanced Safety: Eliminates the risks of back-feeding, ensuring a safe and reliable power transfer.
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Protective Cover Included: Comes with a durable cover to safeguard toggle switches and circuit breakers from damage.
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Indoor-Ready Metal Cabinet: Rugged metal housing, specially designed for safe indoor use.
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Color-Coded Wattmeters & L14-30 Power Inlet: Features two easy-to-read wattmeters and a convenient L14-30 inlet for smooth operation.
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cULus 1008 Listed: Meets stringent safety standards with cULus 1008 certification for top-tier performance.






Thomas H. (verified owner) –
Genuine factory-sealed unit with full 2-year warranty. Fast insured delivery with tracking from start to finish. Highly recommend the Transfer Switch 306A – 125/250v with 30A (Pairing with 1 × EcoFlow DELTA Pro Ultra)!
Sarah L. (verified owner) –
Best investment for home backup and off-grid power! The Transfer Switch 306A – 125/250v with 30A (Pairing with 1 × EcoFlow DELTA Pro Ultra) is super reliable, easy to set up, and customer support answered my questions within an hour.
Daniel K. (verified owner) –
Outstanding build quality and performance. Tested the Transfer Switch 306A – 125/250v with 30A (Pairing with 1 × EcoFlow DELTA Pro Ultra) under heavy load and it exceeded expectations. Unbeatable price and fast shipping!