Siemens ECSBPK06 Generator Standby Power Mechanical Interlock<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>UL Listed</li><li>For use on Siemens or Murray panels</li><li>Main breaker is QN or MD-T type</li><li>Standby power breaker must be a QP or MP-T double pole breaker</li><li>No modification of panel required; Breakers not included</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ikB5Rj56L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51L1WCR4pYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tf1jM27JL.jpg" noproxy>