Outline ·
[ Standard ] ·
Linear+
RCCB for Water Heater
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jchong
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Jun 11 2022, 06:42 PM
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QUOTE(ceo684 @ Jan 12 2022, 07:13 PM) Modern RCD from ABB, Hager come with anti nuisance trip feature, it will not nuisance trip much compared to those sold before 2000, about 97% reduction. I saw some RCCBs listed as 'High Immunity'. Is this HI the same as anti nuisance trip feature or it's something different?
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jchong
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Jun 12 2022, 04:58 PM
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QUOTE(ceo684 @ Jun 11 2022, 10:28 PM) HI is usually used to described advanced anti-nuisance trip (protect against switching transients and harmonics). Those with anti nuisance trip (protect against switching transients) for residential use will suffice. Thanks for the reply. Learned a lot from your various postings.
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