Model PND

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0 height="100%"><tr> <td valign="top" width=150 BGCOLOR="#99CC99" TEXT="#080000" bgproperties="fixed" background="0018dfc3.jpg"> <div> <A HREF="index.htm" TARGET="_top" TITLE="Home"><U>Home</U></A></div> <div> <A HREF="id4.htm" TARGET="_top" TITLE="About us"><U>About us</U></A></div> <div> <A HREF="id5.htm" TARGET="_top" TITLE="About PhaseGuard"><U>About Phase-Guard</U></A></div> <div> <A HREF="id8.htm" TARGET="_top" TITLE="Model P"><U>Model P</U></A></div> <div> <B><IMG BORDER="0" SRC="Symb075c00b700c800000000.png" HEIGHT="13" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Model PND</B></div> <div> <A HREF="id11.htm" TARGET="_top" TITLE="Options"><U>Options</U></A></div> <div> <A HREF="id16.htm" TARGET="_top" TITLE="Ordering assistance"><U>Ordering assistance</U></A></div> <div> <A HREF="id12.htm" TARGET="_top" TITLE="Wiring Diagrams"><U>Wiring Diagrams</U></A></div> <div> <A HREF="id14.htm" TARGET="_top" TITLE="Test procedures"><U>Test procedures</U></A></div> <div> <A HREF="id17.htm" TARGET="_top" TITLE="Warranty"><U>Warranty</U></A></div> <div> <A HREF="id13.htm" TARGET="_top" TITLE="Return policy"><U>Return policy</U></A></div> <div> <A HREF="id15.htm" TARGET="_top" TITLE="Contact Us"><U>Contact Us</U></A></div> </td> <td valign="top" BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <I>Model PND</I></div> <div> <B>  Technical Reference Sheet</B></div> <div> <B>  Phase-Guard   Model PND</B></div> <bR> <div>              UL LISTED 573U</div> <div>    INDUSTRIAL CONTROL EQUIPMENT</div> <bR> <div> The master relay coil in this model is <B>de-energized when conditions are normal</B>.</div> <div> Upon phase loss or phase unbalance(12% or more)  the master relay will <B>energize</B></div> <div> after the time delay has elapsed (standard 1 ½ seconds).</div> <bR> <div> <B>The master relay will not react to a total power interruption of any duration.</B></div> <bR> <div> The PND model will <B>automatically reset</B> when fault has been corrected and balanced</div> <div> Voltage is restored</div> <DIV ALIGN="LEFT"></DIV> <div> <IMG SRC="01ee3450.png" border=0 width="227" height="325" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <div>             <B>Standard features</B></div> <div>             Model PND includes led indicators for normal (green) and phase loss (yellow) as a standard</div> <div>             feature.  It also includes DPDT output relay with 30 amp contact rating.</div> <bR> <div> <B>           A total power loss will not affect the model PND </B> since the master relay is normally</div> <div>            de-energized.  This characteristic helps eliminate the possibility of nuisance tripping during</div> <div>            storms and other outages.</div> <div>            The PND model is recommended for applications involving a main breaker or  bolted pressure</div> <div>            switch which must be manually reset after an outage occurs.</div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <A HREF="id11_options.htm" TARGET="_top" TITLE="Options"><U><I>Available Options</I></U></A></div> <div> <B>                    </B></div> <bR> </td> </tr></table></body>