Progressive Industries HW50C Hardwired EMS Surge &amp; Electrical Protection- 50 Amps<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The display and cables are packaged inside of the device.</li><li>High low voltage protection</li><li>Time delay for air conditioning compressor</li><li>Open neutral protection</li><li>AC frequency protection</li><li>Accidental 220V protection</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51DMhZkBmxL.jpg" noproxy>