Free shipping to the 48 contiguous states in the USA.
From Schweitzer Engineering Laboratories marketing literature:
"Complete Generator Protection—Connect the SEL-300G Generator Relay across large generators for complete primary and backup protection. Adding the neutral voltage connection provides 100 percent stator ground protection, based on third-harmonic voltage measurements. Connecting the neutral current input provides protection for solidly grounded or resistance-grounded machines."
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Unless otherwise stated, free shipping is only available to the contiguous 48 United States. Buyers in Alaska, Hawaii, or International should contact us for more details and a shipping quote.