Are the 24Vdc System Can Do the Earth Leakage Protection?

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zagu12 Member Join Date: Sep 2011 Posts: 6	Are the 24Vdc System Can Do the Earth Leakage Protection? 10/19/2011 5:31 AM
	Are the 24Vdc system can do the Earth Leakage Protection?
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kvsubramanyam Guru Join Date: Apr 2007 Location: Hyderabad, India Posts: 596 Good Answers: 12	#1 Re: Are the 24Vdc system can do the Earth Leakage Protection? 10/19/2011 5:39 AM
	Yes. If your question is more elaborate we all can share knowledge. __________________ Subramanyam
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user-deleted-1105 Guru Join Date: May 2007 Location: Harlow England Posts: 16512 Good Answers: 670	#2 Re: Are the 24Vdc system can do the Earth Leakage Protection? 10/19/2011 6:16 AM
	Yes but as 24v DC is classed as a SELV, I'm not sure why you would want to... Del __________________ health warning: These posts may contain traces of nut.
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zagu12 Member Join Date: Sep 2011 Posts: 6	#3 Re: Are the 24Vdc system can do the Earth Leakage Protection? 10/19/2011 6:19 AM
	Client is asking such protection on the DC source.However,I never did it before.Seeking help on this.Thank alots....
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kvsridhar Guru Join Date: Sep 2009 Location: Temporarily at Ashburn, VA Posts: 2744 Good Answers: 164	#4 In reply to #3 Re: Are the 24Vdc system can do the Earth Leakage Protection? 10/19/2011 6:43 AM
	Is this a DCCT? (Sorry if it is a stupid question, but i have to ask, since DCCTs are complex and i haven't seen a CBCT for DC so far) If so, what are its details? __________________ Nothing worthwhile can ever be taught, it can only be learnt.
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#5 Re: Are the 24Vdc System Can Do the Earth Leakage Protection? 04/29/2025 3:59 AM
	Often the 0V side of a 12VDC or a 24VDC control system is bonded to <...Earth...> as a corrosion prevention arrangement, particularly with road vehicles, for example, where water can be expected; positive earth tends to rot steel rather quickly. From a commissioning perspective it does make testing and fault-finding rather straightforward, because exposed metalwork at earth potential is easy to find. Why one would want <...Earth Leakage Protection...>, which is a contrivance to protect persons from electric shock from faulty circuits at mains voltages, in such situations as <...24Vdc...> remains a mystery for the time being. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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