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Cable Sizing Query/Confirmation
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<blockquote data-quote="Juan253" data-source="post: 510601" data-attributes="member: 33815"><p>Hello, hope you are all well?</p><p></p><p>I am new to this forum and have a query on an upcoming installation and was looking for reassurance on the following selections from the experts out there or just thoughts in general...</p><p></p><p>Installation is for 5 x Dual EV Chargers ( 2 x 32a 7.4Kv Per pedestal &amp; Single Phase)</p><p></p><p>10mm 3 Core SWA from EV Chargers to Schneider 250a 3p+n switch disconnector (40m each run in 2 x underground ducts with 6 in one and 4 in the other)</p><p></p><p>Board has 10 x 32a Scneider type C spread across the phases (L1 = 3, L2 = 3, L3 = 4)</p><p></p><p>Board to main Switch is 4 core and a 50mm earth over 80m to a Scneider Compact NSX set for 140a (Cable clipped on vented tray throughout)</p><p></p><p>Underkill/Overkill..?? </p><p></p><p>Cheers <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> </p></blockquote><p></p>
[QUOTE="Juan253, post: 510601, member: 33815"] Hello, hope you are all well? I am new to this forum and have a query on an upcoming installation and was looking for reassurance on the following selections from the experts out there or just thoughts in general... Installation is for 5 x Dual EV Chargers ( 2 x 32a 7.4Kv Per pedestal & Single Phase) 10mm 3 Core SWA from EV Chargers to Schneider 250a 3p+n switch disconnector (40m each run in 2 x underground ducts with 6 in one and 4 in the other) Board has 10 x 32a Scneider type C spread across the phases (L1 = 3, L2 = 3, L3 = 4) Board to main Switch is 4 core and a 50mm earth over 80m to a Scneider Compact NSX set for 140a (Cable clipped on vented tray throughout) Underkill/Overkill..?? Cheers ;) [/QUOTE]
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