The Vecow RAC-1000 (EAC-5000) features 58V TVS and fuse protection, where the fuse will blow and require an RMA for replacement to protect the motherboard. The Vecow EAC-6000 features 58V recoverable hot-swap protection, allowing the system to resume normal operation once the input voltage drops back down, with the motherboard remaining functional up to 75V.
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