<html><body class="ApplePlainTextBody" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br>On 17/12/2010, at 6:15, Gaurab Raj Upadhaya wrote:<br><blockquote type="cite">10A power draw at 220-240V would be 2200-2400W. 2200W is the typical<br></blockquote><blockquote type="cite">Australian power supply. .<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">A 2.2KVA UPS with power factor of .8 (typical with UPS) would draw 1760W.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">A 3KVA UPS with power factor of .8 would draw 2400W.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">So, while the 2.2KVA UPS is in a safe bracket, with the 3KVA its on<br></blockquote><blockquote type="cite">marginal grounds.<br></blockquote><br>That's current draw, not RCD.<br><br>An RCD measures current between active & neutral and trips if the difference is greater than some threshold.<br><br>I have tested an 11kVA on a hardwired outlet with an RCD with no problems.<br><br>(MGE Comet EX RT11, with 140kg of extra batteries :)<br><br>Pretty sure a 3kVA UPS would have a 15A socket and you would need to wire a circuit specially (just like for an A/C)<br><br>--<br>Daniel O'Connor software and network engineer<br>for Genesis Software - http://www.gsoft.com.au<br>"The nice thing about standards is that there<br>are so many of them to choose from."<br> -- Andrew Tanenbaum<br>GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C<br><br><br><br><br><br><br></body></html>